Adding upstream version 4.19.249.upstream/4.19.249upstream

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

7 files changed, 5159 insertions, 0 deletions

diff --git a/sound/soc/sunxi/Kconfig b/sound/soc/sunxi/Kconfig
new file mode 100644
index 000000000..22408bc2d
--- /dev/null
+++ b/sound/soc/sunxi/Kconfig
@@ -0,0 +1,48 @@
+menu "Allwinner SoC Audio support"
+	depends on ARCH_SUNXI || COMPILE_TEST
+
+config SND_SUN4I_CODEC
+	tristate "Allwinner A10 Codec Support"
+	select SND_SOC_GENERIC_DMAENGINE_PCM
+	select REGMAP_MMIO
+	help
+	  Select Y or M to add support for the Codec embedded in the Allwinner
+	  A10 and affiliated SoCs.
+
+config SND_SUN8I_CODEC
+	tristate "Allwinner SUN8I audio codec"
+	depends on OF
+	depends on MACH_SUN8I || COMPILE_TEST
+	select REGMAP_MMIO
+	help
+	  This option enables the digital part of the internal audio codec for
+	  Allwinner sun8i SoC (and particularly A33).
+
+	  Say Y or M if you want to add sun8i digital audio codec support.
+
+config SND_SUN8I_CODEC_ANALOG
+	tristate "Allwinner sun8i Codec Analog Controls Support"
+	depends on MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
+	select REGMAP
+	help
+	  Say Y or M if you want to add support for the analog controls for
+	  the codec embedded in newer Allwinner SoCs.
+
+config SND_SUN4I_I2S
+	tristate "Allwinner A10 I2S Support"
+	select SND_SOC_GENERIC_DMAENGINE_PCM
+	select REGMAP_MMIO
+	help
+	  Say Y or M if you want to add support for codecs attached to
+	  the Allwinner A10 I2S. You will also need to select the
+	  individual machine drivers to support below.
+
+config SND_SUN4I_SPDIF
+	tristate "Allwinner A10 SPDIF Support"
+	depends on OF
+	select SND_SOC_GENERIC_DMAENGINE_PCM
+	select REGMAP_MMIO
+	help
+	  Say Y or M to add support for the S/PDIF audio block in the Allwinner
+	  A10 and affiliated SoCs.
+endmenu
diff --git a/sound/soc/sunxi/Makefile b/sound/soc/sunxi/Makefile
new file mode 100644
index 000000000..4a9ef6738
--- /dev/null
+++ b/sound/soc/sunxi/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_SND_SUN4I_CODEC) += sun4i-codec.o
+obj-$(CONFIG_SND_SUN4I_I2S) += sun4i-i2s.o
+obj-$(CONFIG_SND_SUN4I_SPDIF) += sun4i-spdif.o
+obj-$(CONFIG_SND_SUN8I_CODEC_ANALOG) += sun8i-codec-analog.o
+obj-$(CONFIG_SND_SUN8I_CODEC) += sun8i-codec.o
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
new file mode 100644
index 000000000..16e8f7428
--- /dev/null
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -0,0 +1,1745 @@
+/*
+ * Copyright 2014 Emilio López <emilio@elopez.com.ar>
+ * Copyright 2014 Jon Smirl <jonsmirl@gmail.com>
+ * Copyright 2015 Maxime Ripard <maxime.ripard@free-electrons.com>
+ * Copyright 2015 Adam Sampson <ats@offog.org>
+ * Copyright 2016 Chen-Yu Tsai <wens@csie.org>
+ *
+ * Based on the Allwinner SDK driver, released under the GPL.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
+#include <linux/clk.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+#include <linux/gpio/consumer.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include <sound/initval.h>
+#include <sound/dmaengine_pcm.h>
+
+/* Codec DAC digital controls and FIFO registers */
+#define SUN4I_CODEC_DAC_DPC			(0x00)
+#define SUN4I_CODEC_DAC_DPC_EN_DA			(31)
+#define SUN4I_CODEC_DAC_DPC_DVOL			(12)
+#define SUN4I_CODEC_DAC_FIFOC			(0x04)
+#define SUN4I_CODEC_DAC_FIFOC_DAC_FS			(29)
+#define SUN4I_CODEC_DAC_FIFOC_FIR_VERSION		(28)
+#define SUN4I_CODEC_DAC_FIFOC_SEND_LASAT		(26)
+#define SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE		(24)
+#define SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT		(21)
+#define SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL		(8)
+#define SUN4I_CODEC_DAC_FIFOC_MONO_EN			(6)
+#define SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS		(5)
+#define SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN		(4)
+#define SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH		(0)
+#define SUN4I_CODEC_DAC_FIFOS			(0x08)
+#define SUN4I_CODEC_DAC_TXDATA			(0x0c)
+
+/* Codec DAC side analog signal controls */
+#define SUN4I_CODEC_DAC_ACTL			(0x10)
+#define SUN4I_CODEC_DAC_ACTL_DACAENR			(31)
+#define SUN4I_CODEC_DAC_ACTL_DACAENL			(30)
+#define SUN4I_CODEC_DAC_ACTL_MIXEN			(29)
+#define SUN4I_CODEC_DAC_ACTL_LDACLMIXS			(15)
+#define SUN4I_CODEC_DAC_ACTL_RDACRMIXS			(14)
+#define SUN4I_CODEC_DAC_ACTL_LDACRMIXS			(13)
+#define SUN4I_CODEC_DAC_ACTL_DACPAS			(8)
+#define SUN4I_CODEC_DAC_ACTL_MIXPAS			(7)
+#define SUN4I_CODEC_DAC_ACTL_PA_MUTE			(6)
+#define SUN4I_CODEC_DAC_ACTL_PA_VOL			(0)
+#define SUN4I_CODEC_DAC_TUNE			(0x14)
+#define SUN4I_CODEC_DAC_DEBUG			(0x18)
+
+/* Codec ADC digital controls and FIFO registers */
+#define SUN4I_CODEC_ADC_FIFOC			(0x1c)
+#define SUN4I_CODEC_ADC_FIFOC_ADC_FS			(29)
+#define SUN4I_CODEC_ADC_FIFOC_EN_AD			(28)
+#define SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE		(24)
+#define SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL		(8)
+#define SUN4I_CODEC_ADC_FIFOC_MONO_EN			(7)
+#define SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS		(6)
+#define SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN		(4)
+#define SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH		(0)
+#define SUN4I_CODEC_ADC_FIFOS			(0x20)
+#define SUN4I_CODEC_ADC_RXDATA			(0x24)
+
+/* Codec ADC side analog signal controls */
+#define SUN4I_CODEC_ADC_ACTL			(0x28)
+#define SUN4I_CODEC_ADC_ACTL_ADC_R_EN			(31)
+#define SUN4I_CODEC_ADC_ACTL_ADC_L_EN			(30)
+#define SUN4I_CODEC_ADC_ACTL_PREG1EN			(29)
+#define SUN4I_CODEC_ADC_ACTL_PREG2EN			(28)
+#define SUN4I_CODEC_ADC_ACTL_VMICEN			(27)
+#define SUN4I_CODEC_ADC_ACTL_VADCG			(20)
+#define SUN4I_CODEC_ADC_ACTL_ADCIS			(17)
+#define SUN4I_CODEC_ADC_ACTL_PA_EN			(4)
+#define SUN4I_CODEC_ADC_ACTL_DDE			(3)
+#define SUN4I_CODEC_ADC_DEBUG			(0x2c)
+
+/* FIFO counters */
+#define SUN4I_CODEC_DAC_TXCNT			(0x30)
+#define SUN4I_CODEC_ADC_RXCNT			(0x34)
+
+/* Calibration register (sun7i only) */
+#define SUN7I_CODEC_AC_DAC_CAL			(0x38)
+
+/* Microphone controls (sun7i only) */
+#define SUN7I_CODEC_AC_MIC_PHONE_CAL		(0x3c)
+
+/*
+ * sun6i specific registers
+ *
+ * sun6i shares the same digital control and FIFO registers as sun4i,
+ * but only the DAC digital controls are at the same offset. The others
+ * have been moved around to accommodate extra analog controls.
+ */
+
+/* Codec DAC digital controls and FIFO registers */
+#define SUN6I_CODEC_ADC_FIFOC			(0x10)
+#define SUN6I_CODEC_ADC_FIFOC_EN_AD			(28)
+#define SUN6I_CODEC_ADC_FIFOS			(0x14)
+#define SUN6I_CODEC_ADC_RXDATA			(0x18)
+
+/* Output mixer and gain controls */
+#define SUN6I_CODEC_OM_DACA_CTRL		(0x20)
+#define SUN6I_CODEC_OM_DACA_CTRL_DACAREN		(31)
+#define SUN6I_CODEC_OM_DACA_CTRL_DACALEN		(30)
+#define SUN6I_CODEC_OM_DACA_CTRL_RMIXEN			(29)
+#define SUN6I_CODEC_OM_DACA_CTRL_LMIXEN			(28)
+#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1		(23)
+#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2		(22)
+#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONE		(21)
+#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONEP		(20)
+#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR		(19)
+#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR		(18)
+#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL		(17)
+#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1		(16)
+#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2		(15)
+#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONE		(14)
+#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONEN		(13)
+#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL		(12)
+#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL		(11)
+#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR		(10)
+#define SUN6I_CODEC_OM_DACA_CTRL_RHPIS			(9)
+#define SUN6I_CODEC_OM_DACA_CTRL_LHPIS			(8)
+#define SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE		(7)
+#define SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE		(6)
+#define SUN6I_CODEC_OM_DACA_CTRL_HPVOL			(0)
+#define SUN6I_CODEC_OM_PA_CTRL			(0x24)
+#define SUN6I_CODEC_OM_PA_CTRL_HPPAEN			(31)
+#define SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL		(29)
+#define SUN6I_CODEC_OM_PA_CTRL_COMPTEN			(28)
+#define SUN6I_CODEC_OM_PA_CTRL_MIC1G			(15)
+#define SUN6I_CODEC_OM_PA_CTRL_MIC2G			(12)
+#define SUN6I_CODEC_OM_PA_CTRL_LINEING			(9)
+#define SUN6I_CODEC_OM_PA_CTRL_PHONEG			(6)
+#define SUN6I_CODEC_OM_PA_CTRL_PHONEPG			(3)
+#define SUN6I_CODEC_OM_PA_CTRL_PHONENG			(0)
+
+/* Microphone, line out and phone out controls */
+#define SUN6I_CODEC_MIC_CTRL			(0x28)
+#define SUN6I_CODEC_MIC_CTRL_HBIASEN			(31)
+#define SUN6I_CODEC_MIC_CTRL_MBIASEN			(30)
+#define SUN6I_CODEC_MIC_CTRL_MIC1AMPEN			(28)
+#define SUN6I_CODEC_MIC_CTRL_MIC1BOOST			(25)
+#define SUN6I_CODEC_MIC_CTRL_MIC2AMPEN			(24)
+#define SUN6I_CODEC_MIC_CTRL_MIC2BOOST			(21)
+#define SUN6I_CODEC_MIC_CTRL_MIC2SLT			(20)
+#define SUN6I_CODEC_MIC_CTRL_LINEOUTLEN			(19)
+#define SUN6I_CODEC_MIC_CTRL_LINEOUTREN			(18)
+#define SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC		(17)
+#define SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC		(16)
+#define SUN6I_CODEC_MIC_CTRL_LINEOUTVC			(11)
+#define SUN6I_CODEC_MIC_CTRL_PHONEPREG			(8)
+
+/* ADC mixer controls */
+#define SUN6I_CODEC_ADC_ACTL			(0x2c)
+#define SUN6I_CODEC_ADC_ACTL_ADCREN			(31)
+#define SUN6I_CODEC_ADC_ACTL_ADCLEN			(30)
+#define SUN6I_CODEC_ADC_ACTL_ADCRG			(27)
+#define SUN6I_CODEC_ADC_ACTL_ADCLG			(24)
+#define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1		(13)
+#define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2		(12)
+#define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONE		(11)
+#define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONEP		(10)
+#define SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR		(9)
+#define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR		(8)
+#define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL		(7)
+#define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1		(6)
+#define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2		(5)
+#define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONE		(4)
+#define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONEN		(3)
+#define SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL		(2)
+#define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL		(1)
+#define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR		(0)
+
+/* Analog performance tuning controls */
+#define SUN6I_CODEC_ADDA_TUNE			(0x30)
+
+/* Calibration controls */
+#define SUN6I_CODEC_CALIBRATION			(0x34)
+
+/* FIFO counters */
+#define SUN6I_CODEC_DAC_TXCNT			(0x40)
+#define SUN6I_CODEC_ADC_RXCNT			(0x44)
+
+/* headset jack detection and button support registers */
+#define SUN6I_CODEC_HMIC_CTL			(0x50)
+#define SUN6I_CODEC_HMIC_DATA			(0x54)
+
+/* TODO sun6i DAP (Digital Audio Processing) bits */
+
+/* FIFO counters moved on A23 */
+#define SUN8I_A23_CODEC_DAC_TXCNT		(0x1c)
+#define SUN8I_A23_CODEC_ADC_RXCNT		(0x20)
+
+/* TX FIFO moved on H3 */
+#define SUN8I_H3_CODEC_DAC_TXDATA		(0x20)
+#define SUN8I_H3_CODEC_DAC_DBG			(0x48)
+#define SUN8I_H3_CODEC_ADC_DBG			(0x4c)
+
+/* TODO H3 DAP (Digital Audio Processing) bits */
+
+struct sun4i_codec {
+	struct device	*dev;
+	struct regmap	*regmap;
+	struct clk	*clk_apb;
+	struct clk	*clk_module;
+	struct reset_control *rst;
+	struct gpio_desc *gpio_pa;
+
+	/* ADC_FIFOC register is at different offset on different SoCs */
+	struct regmap_field *reg_adc_fifoc;
+
+	struct snd_dmaengine_dai_dma_data	capture_dma_data;
+	struct snd_dmaengine_dai_dma_data	playback_dma_data;
+};
+
+static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
+{
+	/* Flush TX FIFO */
+	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+			   BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
+			   BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
+
+	/* Enable DAC DRQ */
+	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+			   BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
+			   BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
+}
+
+static void sun4i_codec_stop_playback(struct sun4i_codec *scodec)
+{
+	/* Disable DAC DRQ */
+	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+			   BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
+			   0);
+}
+
+static void sun4i_codec_start_capture(struct sun4i_codec *scodec)
+{
+	/* Enable ADC DRQ */
+	regmap_field_update_bits(scodec->reg_adc_fifoc,
+				 BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN),
+				 BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN));
+}
+
+static void sun4i_codec_stop_capture(struct sun4i_codec *scodec)
+{
+	/* Disable ADC DRQ */
+	regmap_field_update_bits(scodec->reg_adc_fifoc,
+				 BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN), 0);
+}
+
+static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd,
+			       struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+			sun4i_codec_start_playback(scodec);
+		else
+			sun4i_codec_start_capture(scodec);
+		break;
+
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+			sun4i_codec_stop_playback(scodec);
+		else
+			sun4i_codec_stop_capture(scodec);
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream,
+				       struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
+
+
+	/* Flush RX FIFO */
+	regmap_field_update_bits(scodec->reg_adc_fifoc,
+				 BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH),
+				 BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH));
+
+
+	/* Set RX FIFO trigger level */
+	regmap_field_update_bits(scodec->reg_adc_fifoc,
+				 0xf << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL,
+				 0x7 << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL);
+
+	/*
+	 * FIXME: Undocumented in the datasheet, but
+	 *        Allwinner's code mentions that it is related
+	 *        related to microphone gain
+	 */
+	if (of_device_is_compatible(scodec->dev->of_node,
+				    "allwinner,sun4i-a10-codec") ||
+	    of_device_is_compatible(scodec->dev->of_node,
+				    "allwinner,sun7i-a20-codec")) {
+		regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_ACTL,
+				   0x3 << 25,
+				   0x1 << 25);
+	}
+
+	if (of_device_is_compatible(scodec->dev->of_node,
+				    "allwinner,sun7i-a20-codec"))
+		/* FIXME: Undocumented bits */
+		regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_TUNE,
+				   0x3 << 8,
+				   0x1 << 8);
+
+	return 0;
+}
+
+static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
+					struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
+	u32 val;
+
+	/* Flush the TX FIFO */
+	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+			   BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
+			   BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
+
+	/* Set TX FIFO Empty Trigger Level */
+	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+			   0x3f << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL,
+			   0xf << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL);
+
+	if (substream->runtime->rate > 32000)
+		/* Use 64 bits FIR filter */
+		val = 0;
+	else
+		/* Use 32 bits FIR filter */
+		val = BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION);
+
+	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+			   BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION),
+			   val);
+
+	/* Send zeros when we have an underrun */
+	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+			   BIT(SUN4I_CODEC_DAC_FIFOC_SEND_LASAT),
+			   0);
+
+	return 0;
+};
+
+static int sun4i_codec_prepare(struct snd_pcm_substream *substream,
+			       struct snd_soc_dai *dai)
+{
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		return sun4i_codec_prepare_playback(substream, dai);
+
+	return sun4i_codec_prepare_capture(substream, dai);
+}
+
+static unsigned long sun4i_codec_get_mod_freq(struct snd_pcm_hw_params *params)
+{
+	unsigned int rate = params_rate(params);
+
+	switch (rate) {
+	case 176400:
+	case 88200:
+	case 44100:
+	case 33075:
+	case 22050:
+	case 14700:
+	case 11025:
+	case 7350:
+		return 22579200;
+
+	case 192000:
+	case 96000:
+	case 48000:
+	case 32000:
+	case 24000:
+	case 16000:
+	case 12000:
+	case 8000:
+		return 24576000;
+
+	default:
+		return 0;
+	}
+}
+
+static int sun4i_codec_get_hw_rate(struct snd_pcm_hw_params *params)
+{
+	unsigned int rate = params_rate(params);
+
+	switch (rate) {
+	case 192000:
+	case 176400:
+		return 6;
+
+	case 96000:
+	case 88200:
+		return 7;
+
+	case 48000:
+	case 44100:
+		return 0;
+
+	case 32000:
+	case 33075:
+		return 1;
+
+	case 24000:
+	case 22050:
+		return 2;
+
+	case 16000:
+	case 14700:
+		return 3;
+
+	case 12000:
+	case 11025:
+		return 4;
+
+	case 8000:
+	case 7350:
+		return 5;
+
+	default:
+		return -EINVAL;
+	}
+}
+
+static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec,
+					 struct snd_pcm_hw_params *params,
+					 unsigned int hwrate)
+{
+	/* Set ADC sample rate */
+	regmap_field_update_bits(scodec->reg_adc_fifoc,
+				 7 << SUN4I_CODEC_ADC_FIFOC_ADC_FS,
+				 hwrate << SUN4I_CODEC_ADC_FIFOC_ADC_FS);
+
+	/* Set the number of channels we want to use */
+	if (params_channels(params) == 1)
+		regmap_field_update_bits(scodec->reg_adc_fifoc,
+					 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
+					 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN));
+	else
+		regmap_field_update_bits(scodec->reg_adc_fifoc,
+					 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
+					 0);
+
+	/* Set the number of sample bits to either 16 or 24 bits */
+	if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
+		regmap_field_update_bits(scodec->reg_adc_fifoc,
+				   BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS),
+				   BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS));
+
+		regmap_field_update_bits(scodec->reg_adc_fifoc,
+				   BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE),
+				   0);
+
+		scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+	} else {
+		regmap_field_update_bits(scodec->reg_adc_fifoc,
+				   BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS),
+				   0);
+
+		/* Fill most significant bits with valid data MSB */
+		regmap_field_update_bits(scodec->reg_adc_fifoc,
+				   BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE),
+				   BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE));
+
+		scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+	}
+
+	return 0;
+}
+
+static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec,
+					  struct snd_pcm_hw_params *params,
+					  unsigned int hwrate)
+{
+	u32 val;
+
+	/* Set DAC sample rate */
+	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+			   7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS,
+			   hwrate << SUN4I_CODEC_DAC_FIFOC_DAC_FS);
+
+	/* Set the number of channels we want to use */
+	if (params_channels(params) == 1)
+		val = BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN);
+	else
+		val = 0;
+
+	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+			   BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN),
+			   val);
+
+	/* Set the number of sample bits to either 16 or 24 bits */
+	if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
+		regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+				   BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
+				   BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
+
+		/* Set TX FIFO mode to padding the LSBs with 0 */
+		regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+				   BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
+				   0);
+
+		scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+	} else {
+		regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+				   BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
+				   0);
+
+		/* Set TX FIFO mode to repeat the MSB */
+		regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+				   BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
+				   BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
+
+		scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+	}
+
+	return 0;
+}
+
+static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
+				 struct snd_pcm_hw_params *params,
+				 struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
+	unsigned long clk_freq;
+	int ret, hwrate;
+
+	clk_freq = sun4i_codec_get_mod_freq(params);
+	if (!clk_freq)
+		return -EINVAL;
+
+	ret = clk_set_rate(scodec->clk_module, clk_freq);
+	if (ret)
+		return ret;
+
+	hwrate = sun4i_codec_get_hw_rate(params);
+	if (hwrate < 0)
+		return hwrate;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		return sun4i_codec_hw_params_playback(scodec, params,
+						      hwrate);
+
+	return sun4i_codec_hw_params_capture(scodec, params,
+					     hwrate);
+}
+
+
+static unsigned int sun4i_codec_src_rates[] = {
+	8000, 11025, 12000, 16000, 22050, 24000, 32000,
+	44100, 48000, 96000, 192000
+};
+
+
+static struct snd_pcm_hw_constraint_list sun4i_codec_constraints = {
+	.count  = ARRAY_SIZE(sun4i_codec_src_rates),
+	.list   = sun4i_codec_src_rates,
+};
+
+
+static int sun4i_codec_startup(struct snd_pcm_substream *substream,
+			       struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
+
+	snd_pcm_hw_constraint_list(substream->runtime, 0,
+				SNDRV_PCM_HW_PARAM_RATE, &sun4i_codec_constraints);
+
+	/*
+	 * Stop issuing DRQ when we have room for less than 16 samples
+	 * in our TX FIFO
+	 */
+	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
+			   3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT,
+			   3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT);
+
+	return clk_prepare_enable(scodec->clk_module);
+}
+
+static void sun4i_codec_shutdown(struct snd_pcm_substream *substream,
+				 struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
+
+	clk_disable_unprepare(scodec->clk_module);
+}
+
+static const struct snd_soc_dai_ops sun4i_codec_dai_ops = {
+	.startup	= sun4i_codec_startup,
+	.shutdown	= sun4i_codec_shutdown,
+	.trigger	= sun4i_codec_trigger,
+	.hw_params	= sun4i_codec_hw_params,
+	.prepare	= sun4i_codec_prepare,
+};
+
+static struct snd_soc_dai_driver sun4i_codec_dai = {
+	.name	= "Codec",
+	.ops	= &sun4i_codec_dai_ops,
+	.playback = {
+		.stream_name	= "Codec Playback",
+		.channels_min	= 1,
+		.channels_max	= 2,
+		.rate_min	= 8000,
+		.rate_max	= 192000,
+		.rates		= SNDRV_PCM_RATE_CONTINUOUS,
+		.formats	= SNDRV_PCM_FMTBIT_S16_LE |
+				  SNDRV_PCM_FMTBIT_S32_LE,
+		.sig_bits	= 24,
+	},
+	.capture = {
+		.stream_name	= "Codec Capture",
+		.channels_min	= 1,
+		.channels_max	= 2,
+		.rate_min	= 8000,
+		.rate_max	= 48000,
+		.rates		= SNDRV_PCM_RATE_CONTINUOUS,
+		.formats	= SNDRV_PCM_FMTBIT_S16_LE |
+				  SNDRV_PCM_FMTBIT_S32_LE,
+		.sig_bits	= 24,
+	},
+};
+
+/*** sun4i Codec ***/
+static const struct snd_kcontrol_new sun4i_codec_pa_mute =
+	SOC_DAPM_SINGLE("Switch", SUN4I_CODEC_DAC_ACTL,
+			SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
+
+static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
+
+static const struct snd_kcontrol_new sun4i_codec_controls[] = {
+	SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
+		       SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
+		       sun4i_codec_pa_volume_scale),
+};
+
+static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = {
+	SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
+			SUN4I_CODEC_DAC_ACTL_LDACLMIXS, 1, 0),
+};
+
+static const struct snd_kcontrol_new sun4i_codec_right_mixer_controls[] = {
+	SOC_DAPM_SINGLE("Right DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
+			SUN4I_CODEC_DAC_ACTL_RDACRMIXS, 1, 0),
+	SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
+			SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0),
+};
+
+static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = {
+	SOC_DAPM_SINGLE("DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
+			SUN4I_CODEC_DAC_ACTL_DACPAS, 1, 0),
+	SOC_DAPM_SINGLE("Mixer Playback Switch", SUN4I_CODEC_DAC_ACTL,
+			SUN4I_CODEC_DAC_ACTL_MIXPAS, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
+	/* Digital parts of the ADCs */
+	SND_SOC_DAPM_SUPPLY("ADC", SUN4I_CODEC_ADC_FIFOC,
+			    SUN4I_CODEC_ADC_FIFOC_EN_AD, 0,
+			    NULL, 0),
+
+	/* Digital parts of the DACs */
+	SND_SOC_DAPM_SUPPLY("DAC", SUN4I_CODEC_DAC_DPC,
+			    SUN4I_CODEC_DAC_DPC_EN_DA, 0,
+			    NULL, 0),
+
+	/* Analog parts of the ADCs */
+	SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
+			 SUN4I_CODEC_ADC_ACTL_ADC_L_EN, 0),
+	SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
+			 SUN4I_CODEC_ADC_ACTL_ADC_R_EN, 0),
+
+	/* Analog parts of the DACs */
+	SND_SOC_DAPM_DAC("Left DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
+			 SUN4I_CODEC_DAC_ACTL_DACAENL, 0),
+	SND_SOC_DAPM_DAC("Right DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
+			 SUN4I_CODEC_DAC_ACTL_DACAENR, 0),
+
+	/* Mixers */
+	SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
+			   sun4i_codec_left_mixer_controls,
+			   ARRAY_SIZE(sun4i_codec_left_mixer_controls)),
+	SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
+			   sun4i_codec_right_mixer_controls,
+			   ARRAY_SIZE(sun4i_codec_right_mixer_controls)),
+
+	/* Global Mixer Enable */
+	SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL,
+			    SUN4I_CODEC_DAC_ACTL_MIXEN, 0, NULL, 0),
+
+	/* VMIC */
+	SND_SOC_DAPM_SUPPLY("VMIC", SUN4I_CODEC_ADC_ACTL,
+			    SUN4I_CODEC_ADC_ACTL_VMICEN, 0, NULL, 0),
+
+	/* Mic Pre-Amplifiers */
+	SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
+			 SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0),
+
+	/* Power Amplifier */
+	SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL,
+			   SUN4I_CODEC_ADC_ACTL_PA_EN, 0,
+			   sun4i_codec_pa_mixer_controls,
+			   ARRAY_SIZE(sun4i_codec_pa_mixer_controls)),
+	SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0,
+			    &sun4i_codec_pa_mute),
+
+	SND_SOC_DAPM_INPUT("Mic1"),
+
+	SND_SOC_DAPM_OUTPUT("HP Right"),
+	SND_SOC_DAPM_OUTPUT("HP Left"),
+};
+
+static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
+	/* Left ADC / DAC Routes */
+	{ "Left ADC", NULL, "ADC" },
+	{ "Left DAC", NULL, "DAC" },
+
+	/* Right ADC / DAC Routes */
+	{ "Right ADC", NULL, "ADC" },
+	{ "Right DAC", NULL, "DAC" },
+
+	/* Right Mixer Routes */
+	{ "Right Mixer", NULL, "Mixer Enable" },
+	{ "Right Mixer", "Left DAC Playback Switch", "Left DAC" },
+	{ "Right Mixer", "Right DAC Playback Switch", "Right DAC" },
+
+	/* Left Mixer Routes */
+	{ "Left Mixer", NULL, "Mixer Enable" },
+	{ "Left Mixer", "Left DAC Playback Switch", "Left DAC" },
+
+	/* Power Amplifier Routes */
+	{ "Power Amplifier", "Mixer Playback Switch", "Left Mixer" },
+	{ "Power Amplifier", "Mixer Playback Switch", "Right Mixer" },
+	{ "Power Amplifier", "DAC Playback Switch", "Left DAC" },
+	{ "Power Amplifier", "DAC Playback Switch", "Right DAC" },
+
+	/* Headphone Output Routes */
+	{ "Power Amplifier Mute", "Switch", "Power Amplifier" },
+	{ "HP Right", NULL, "Power Amplifier Mute" },
+	{ "HP Left", NULL, "Power Amplifier Mute" },
+
+	/* Mic1 Routes */
+	{ "Left ADC", NULL, "MIC1 Pre-Amplifier" },
+	{ "Right ADC", NULL, "MIC1 Pre-Amplifier" },
+	{ "MIC1 Pre-Amplifier", NULL, "Mic1"},
+	{ "Mic1", NULL, "VMIC" },
+};
+
+static const struct snd_soc_component_driver sun4i_codec_codec = {
+	.controls		= sun4i_codec_controls,
+	.num_controls		= ARRAY_SIZE(sun4i_codec_controls),
+	.dapm_widgets		= sun4i_codec_codec_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
+	.dapm_routes		= sun4i_codec_codec_dapm_routes,
+	.num_dapm_routes	= ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
+};
+
+/*** sun6i Codec ***/
+
+/* mixer controls */
+static const struct snd_kcontrol_new sun6i_codec_mixer_controls[] = {
+	SOC_DAPM_DOUBLE("DAC Playback Switch",
+			SUN6I_CODEC_OM_DACA_CTRL,
+			SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL,
+			SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR, 1, 0),
+	SOC_DAPM_DOUBLE("DAC Reversed Playback Switch",
+			SUN6I_CODEC_OM_DACA_CTRL,
+			SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR,
+			SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL, 1, 0),
+	SOC_DAPM_DOUBLE("Line In Playback Switch",
+			SUN6I_CODEC_OM_DACA_CTRL,
+			SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL,
+			SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR, 1, 0),
+	SOC_DAPM_DOUBLE("Mic1 Playback Switch",
+			SUN6I_CODEC_OM_DACA_CTRL,
+			SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1,
+			SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1, 1, 0),
+	SOC_DAPM_DOUBLE("Mic2 Playback Switch",
+			SUN6I_CODEC_OM_DACA_CTRL,
+			SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2,
+			SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2, 1, 0),
+};
+
+/* ADC mixer controls */
+static const struct snd_kcontrol_new sun6i_codec_adc_mixer_controls[] = {
+	SOC_DAPM_DOUBLE("Mixer Capture Switch",
+			SUN6I_CODEC_ADC_ACTL,
+			SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL,
+			SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR, 1, 0),
+	SOC_DAPM_DOUBLE("Mixer Reversed Capture Switch",
+			SUN6I_CODEC_ADC_ACTL,
+			SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR,
+			SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL, 1, 0),
+	SOC_DAPM_DOUBLE("Line In Capture Switch",
+			SUN6I_CODEC_ADC_ACTL,
+			SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL,
+			SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR, 1, 0),
+	SOC_DAPM_DOUBLE("Mic1 Capture Switch",
+			SUN6I_CODEC_ADC_ACTL,
+			SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1,
+			SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1, 1, 0),
+	SOC_DAPM_DOUBLE("Mic2 Capture Switch",
+			SUN6I_CODEC_ADC_ACTL,
+			SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2,
+			SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2, 1, 0),
+};
+
+/* headphone controls */
+static const char * const sun6i_codec_hp_src_enum_text[] = {
+	"DAC", "Mixer",
+};
+
+static SOC_ENUM_DOUBLE_DECL(sun6i_codec_hp_src_enum,
+			    SUN6I_CODEC_OM_DACA_CTRL,
+			    SUN6I_CODEC_OM_DACA_CTRL_LHPIS,
+			    SUN6I_CODEC_OM_DACA_CTRL_RHPIS,
+			    sun6i_codec_hp_src_enum_text);
+
+static const struct snd_kcontrol_new sun6i_codec_hp_src[] = {
+	SOC_DAPM_ENUM("Headphone Source Playback Route",
+		      sun6i_codec_hp_src_enum),
+};
+
+/* microphone controls */
+static const char * const sun6i_codec_mic2_src_enum_text[] = {
+	"Mic2", "Mic3",
+};
+
+static SOC_ENUM_SINGLE_DECL(sun6i_codec_mic2_src_enum,
+			    SUN6I_CODEC_MIC_CTRL,
+			    SUN6I_CODEC_MIC_CTRL_MIC2SLT,
+			    sun6i_codec_mic2_src_enum_text);
+
+static const struct snd_kcontrol_new sun6i_codec_mic2_src[] = {
+	SOC_DAPM_ENUM("Mic2 Amplifier Source Route",
+		      sun6i_codec_mic2_src_enum),
+};
+
+/* line out controls */
+static const char * const sun6i_codec_lineout_src_enum_text[] = {
+	"Stereo", "Mono Differential",
+};
+
+static SOC_ENUM_DOUBLE_DECL(sun6i_codec_lineout_src_enum,
+			    SUN6I_CODEC_MIC_CTRL,
+			    SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC,
+			    SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC,
+			    sun6i_codec_lineout_src_enum_text);
+
+static const struct snd_kcontrol_new sun6i_codec_lineout_src[] = {
+	SOC_DAPM_ENUM("Line Out Source Playback Route",
+		      sun6i_codec_lineout_src_enum),
+};
+
+/* volume / mute controls */
+static const DECLARE_TLV_DB_SCALE(sun6i_codec_dvol_scale, -7308, 116, 0);
+static const DECLARE_TLV_DB_SCALE(sun6i_codec_hp_vol_scale, -6300, 100, 1);
+static const DECLARE_TLV_DB_SCALE(sun6i_codec_out_mixer_pregain_scale,
+				  -450, 150, 0);
+static const DECLARE_TLV_DB_RANGE(sun6i_codec_lineout_vol_scale,
+	0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
+	2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
+);
+static const DECLARE_TLV_DB_RANGE(sun6i_codec_mic_gain_scale,
+	0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
+	1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
+);
+
+static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = {
+	SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
+		       SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
+		       sun6i_codec_dvol_scale),
+	SOC_SINGLE_TLV("Headphone Playback Volume",
+		       SUN6I_CODEC_OM_DACA_CTRL,
+		       SUN6I_CODEC_OM_DACA_CTRL_HPVOL, 0x3f, 0,
+		       sun6i_codec_hp_vol_scale),
+	SOC_SINGLE_TLV("Line Out Playback Volume",
+		       SUN6I_CODEC_MIC_CTRL,
+		       SUN6I_CODEC_MIC_CTRL_LINEOUTVC, 0x1f, 0,
+		       sun6i_codec_lineout_vol_scale),
+	SOC_DOUBLE("Headphone Playback Switch",
+		   SUN6I_CODEC_OM_DACA_CTRL,
+		   SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE,
+		   SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE, 1, 0),
+	SOC_DOUBLE("Line Out Playback Switch",
+		   SUN6I_CODEC_MIC_CTRL,
+		   SUN6I_CODEC_MIC_CTRL_LINEOUTLEN,
+		   SUN6I_CODEC_MIC_CTRL_LINEOUTREN, 1, 0),
+	/* Mixer pre-gains */
+	SOC_SINGLE_TLV("Line In Playback Volume",
+		       SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_LINEING,
+		       0x7, 0, sun6i_codec_out_mixer_pregain_scale),
+	SOC_SINGLE_TLV("Mic1 Playback Volume",
+		       SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC1G,
+		       0x7, 0, sun6i_codec_out_mixer_pregain_scale),
+	SOC_SINGLE_TLV("Mic2 Playback Volume",
+		       SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC2G,
+		       0x7, 0, sun6i_codec_out_mixer_pregain_scale),
+
+	/* Microphone Amp boost gains */
+	SOC_SINGLE_TLV("Mic1 Boost Volume", SUN6I_CODEC_MIC_CTRL,
+		       SUN6I_CODEC_MIC_CTRL_MIC1BOOST, 0x7, 0,
+		       sun6i_codec_mic_gain_scale),
+	SOC_SINGLE_TLV("Mic2 Boost Volume", SUN6I_CODEC_MIC_CTRL,
+		       SUN6I_CODEC_MIC_CTRL_MIC2BOOST, 0x7, 0,
+		       sun6i_codec_mic_gain_scale),
+	SOC_DOUBLE_TLV("ADC Capture Volume",
+		       SUN6I_CODEC_ADC_ACTL, SUN6I_CODEC_ADC_ACTL_ADCLG,
+		       SUN6I_CODEC_ADC_ACTL_ADCRG, 0x7, 0,
+		       sun6i_codec_out_mixer_pregain_scale),
+};
+
+static const struct snd_soc_dapm_widget sun6i_codec_codec_dapm_widgets[] = {
+	/* Microphone inputs */
+	SND_SOC_DAPM_INPUT("MIC1"),
+	SND_SOC_DAPM_INPUT("MIC2"),
+	SND_SOC_DAPM_INPUT("MIC3"),
+
+	/* Microphone Bias */
+	SND_SOC_DAPM_SUPPLY("HBIAS", SUN6I_CODEC_MIC_CTRL,
+			    SUN6I_CODEC_MIC_CTRL_HBIASEN, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("MBIAS", SUN6I_CODEC_MIC_CTRL,
+			    SUN6I_CODEC_MIC_CTRL_MBIASEN, 0, NULL, 0),
+
+	/* Mic input path */
+	SND_SOC_DAPM_MUX("Mic2 Amplifier Source Route",
+			 SND_SOC_NOPM, 0, 0, sun6i_codec_mic2_src),
+	SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN6I_CODEC_MIC_CTRL,
+			 SUN6I_CODEC_MIC_CTRL_MIC1AMPEN, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN6I_CODEC_MIC_CTRL,
+			 SUN6I_CODEC_MIC_CTRL_MIC2AMPEN, 0, NULL, 0),
+
+	/* Line In */
+	SND_SOC_DAPM_INPUT("LINEIN"),
+
+	/* Digital parts of the ADCs */
+	SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
+			    SUN6I_CODEC_ADC_FIFOC_EN_AD, 0,
+			    NULL, 0),
+
+	/* Analog parts of the ADCs */
+	SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
+			 SUN6I_CODEC_ADC_ACTL_ADCLEN, 0),
+	SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
+			 SUN6I_CODEC_ADC_ACTL_ADCREN, 0),
+
+	/* ADC Mixers */
+	SOC_MIXER_ARRAY("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
+			sun6i_codec_adc_mixer_controls),
+	SOC_MIXER_ARRAY("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
+			sun6i_codec_adc_mixer_controls),
+
+	/* Digital parts of the DACs */
+	SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
+			    SUN4I_CODEC_DAC_DPC_EN_DA, 0,
+			    NULL, 0),
+
+	/* Analog parts of the DACs */
+	SND_SOC_DAPM_DAC("Left DAC", "Codec Playback",
+			 SUN6I_CODEC_OM_DACA_CTRL,
+			 SUN6I_CODEC_OM_DACA_CTRL_DACALEN, 0),
+	SND_SOC_DAPM_DAC("Right DAC", "Codec Playback",
+			 SUN6I_CODEC_OM_DACA_CTRL,
+			 SUN6I_CODEC_OM_DACA_CTRL_DACAREN, 0),
+
+	/* Mixers */
+	SOC_MIXER_ARRAY("Left Mixer", SUN6I_CODEC_OM_DACA_CTRL,
+			SUN6I_CODEC_OM_DACA_CTRL_LMIXEN, 0,
+			sun6i_codec_mixer_controls),
+	SOC_MIXER_ARRAY("Right Mixer", SUN6I_CODEC_OM_DACA_CTRL,
+			SUN6I_CODEC_OM_DACA_CTRL_RMIXEN, 0,
+			sun6i_codec_mixer_controls),
+
+	/* Headphone output path */
+	SND_SOC_DAPM_MUX("Headphone Source Playback Route",
+			 SND_SOC_NOPM, 0, 0, sun6i_codec_hp_src),
+	SND_SOC_DAPM_OUT_DRV("Headphone Amp", SUN6I_CODEC_OM_PA_CTRL,
+			     SUN6I_CODEC_OM_PA_CTRL_HPPAEN, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN6I_CODEC_OM_PA_CTRL,
+			    SUN6I_CODEC_OM_PA_CTRL_COMPTEN, 0, NULL, 0),
+	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN6I_CODEC_OM_PA_CTRL,
+			 SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL, 0x3, 0x3, 0),
+	SND_SOC_DAPM_OUTPUT("HP"),
+
+	/* Line Out path */
+	SND_SOC_DAPM_MUX("Line Out Source Playback Route",
+			 SND_SOC_NOPM, 0, 0, sun6i_codec_lineout_src),
+	SND_SOC_DAPM_OUTPUT("LINEOUT"),
+};
+
+static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
+	/* DAC Routes */
+	{ "Left DAC", NULL, "DAC Enable" },
+	{ "Right DAC", NULL, "DAC Enable" },
+
+	/* Microphone Routes */
+	{ "Mic1 Amplifier", NULL, "MIC1"},
+	{ "Mic2 Amplifier Source Route", "Mic2", "MIC2" },
+	{ "Mic2 Amplifier Source Route", "Mic3", "MIC3" },
+	{ "Mic2 Amplifier", NULL, "Mic2 Amplifier Source Route"},
+
+	/* Left Mixer Routes */
+	{ "Left Mixer", "DAC Playback Switch", "Left DAC" },
+	{ "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
+	{ "Left Mixer", "Line In Playback Switch", "LINEIN" },
+	{ "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
+	{ "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
+
+	/* Right Mixer Routes */
+	{ "Right Mixer", "DAC Playback Switch", "Right DAC" },
+	{ "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
+	{ "Right Mixer", "Line In Playback Switch", "LINEIN" },
+	{ "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
+	{ "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
+
+	/* Left ADC Mixer Routes */
+	{ "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
+	{ "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
+	{ "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },
+	{ "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
+	{ "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
+
+	/* Right ADC Mixer Routes */
+	{ "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
+	{ "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
+	{ "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
+	{ "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
+	{ "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
+
+	/* Headphone Routes */
+	{ "Headphone Source Playback Route", "DAC", "Left DAC" },
+	{ "Headphone Source Playback Route", "DAC", "Right DAC" },
+	{ "Headphone Source Playback Route", "Mixer", "Left Mixer" },
+	{ "Headphone Source Playback Route", "Mixer", "Right Mixer" },
+	{ "Headphone Amp", NULL, "Headphone Source Playback Route" },
+	{ "HP", NULL, "Headphone Amp" },
+	{ "HPCOM", NULL, "HPCOM Protection" },
+
+	/* Line Out Routes */
+	{ "Line Out Source Playback Route", "Stereo", "Left Mixer" },
+	{ "Line Out Source Playback Route", "Stereo", "Right Mixer" },
+	{ "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
+	{ "Line Out Source Playback Route", "Mono Differential", "Right Mixer" },
+	{ "LINEOUT", NULL, "Line Out Source Playback Route" },
+
+	/* ADC Routes */
+	{ "Left ADC", NULL, "ADC Enable" },
+	{ "Right ADC", NULL, "ADC Enable" },
+	{ "Left ADC", NULL, "Left ADC Mixer" },
+	{ "Right ADC", NULL, "Right ADC Mixer" },
+};
+
+static const struct snd_soc_component_driver sun6i_codec_codec = {
+	.controls		= sun6i_codec_codec_widgets,
+	.num_controls		= ARRAY_SIZE(sun6i_codec_codec_widgets),
+	.dapm_widgets		= sun6i_codec_codec_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(sun6i_codec_codec_dapm_widgets),
+	.dapm_routes		= sun6i_codec_codec_dapm_routes,
+	.num_dapm_routes	= ARRAY_SIZE(sun6i_codec_codec_dapm_routes),
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
+};
+
+/* sun8i A23 codec */
+static const struct snd_kcontrol_new sun8i_a23_codec_codec_controls[] = {
+	SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
+		       SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
+		       sun6i_codec_dvol_scale),
+};
+
+static const struct snd_soc_dapm_widget sun8i_a23_codec_codec_widgets[] = {
+	/* Digital parts of the ADCs */
+	SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
+			    SUN6I_CODEC_ADC_FIFOC_EN_AD, 0, NULL, 0),
+	/* Digital parts of the DACs */
+	SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
+			    SUN4I_CODEC_DAC_DPC_EN_DA, 0, NULL, 0),
+
+};
+
+static const struct snd_soc_component_driver sun8i_a23_codec_codec = {
+	.controls		= sun8i_a23_codec_codec_controls,
+	.num_controls		= ARRAY_SIZE(sun8i_a23_codec_codec_controls),
+	.dapm_widgets		= sun8i_a23_codec_codec_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(sun8i_a23_codec_codec_widgets),
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
+};
+
+static const struct snd_soc_component_driver sun4i_codec_component = {
+	.name = "sun4i-codec",
+};
+
+#define SUN4I_CODEC_RATES	SNDRV_PCM_RATE_CONTINUOUS
+#define SUN4I_CODEC_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | \
+				 SNDRV_PCM_FMTBIT_S32_LE)
+
+static int sun4i_codec_dai_probe(struct snd_soc_dai *dai)
+{
+	struct snd_soc_card *card = snd_soc_dai_get_drvdata(dai);
+	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
+
+	snd_soc_dai_init_dma_data(dai, &scodec->playback_dma_data,
+				  &scodec->capture_dma_data);
+
+	return 0;
+}
+
+static struct snd_soc_dai_driver dummy_cpu_dai = {
+	.name	= "sun4i-codec-cpu-dai",
+	.probe	= sun4i_codec_dai_probe,
+	.playback = {
+		.stream_name	= "Playback",
+		.channels_min	= 1,
+		.channels_max	= 2,
+		.rates		= SUN4I_CODEC_RATES,
+		.formats	= SUN4I_CODEC_FORMATS,
+		.sig_bits	= 24,
+	},
+	.capture = {
+		.stream_name	= "Capture",
+		.channels_min	= 1,
+		.channels_max	= 2,
+		.rates 		= SUN4I_CODEC_RATES,
+		.formats 	= SUN4I_CODEC_FORMATS,
+		.sig_bits	= 24,
+	 },
+};
+
+static struct snd_soc_dai_link *sun4i_codec_create_link(struct device *dev,
+							int *num_links)
+{
+	struct snd_soc_dai_link *link = devm_kzalloc(dev, sizeof(*link),
+						     GFP_KERNEL);
+	if (!link)
+		return NULL;
+
+	link->name		= "cdc";
+	link->stream_name	= "CDC PCM";
+	link->codec_dai_name	= "Codec";
+	link->cpu_dai_name	= dev_name(dev);
+	link->codec_name	= dev_name(dev);
+	link->platform_name	= dev_name(dev);
+	link->dai_fmt		= SND_SOC_DAIFMT_I2S;
+
+	*num_links = 1;
+
+	return link;
+};
+
+static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w,
+				 struct snd_kcontrol *k, int event)
+{
+	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card);
+
+	gpiod_set_value_cansleep(scodec->gpio_pa,
+				 !!SND_SOC_DAPM_EVENT_ON(event));
+
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget sun4i_codec_card_dapm_widgets[] = {
+	SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
+};
+
+static const struct snd_soc_dapm_route sun4i_codec_card_dapm_routes[] = {
+	{ "Speaker", NULL, "HP Right" },
+	{ "Speaker", NULL, "HP Left" },
+};
+
+static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
+{
+	struct snd_soc_card *card;
+
+	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+	if (!card)
+		return ERR_PTR(-ENOMEM);
+
+	card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
+	if (!card->dai_link)
+		return ERR_PTR(-ENOMEM);
+
+	card->dev		= dev;
+	card->owner		= THIS_MODULE;
+	card->name		= "sun4i-codec";
+	card->dapm_widgets	= sun4i_codec_card_dapm_widgets;
+	card->num_dapm_widgets	= ARRAY_SIZE(sun4i_codec_card_dapm_widgets);
+	card->dapm_routes	= sun4i_codec_card_dapm_routes;
+	card->num_dapm_routes	= ARRAY_SIZE(sun4i_codec_card_dapm_routes);
+
+	return card;
+};
+
+static const struct snd_soc_dapm_widget sun6i_codec_card_dapm_widgets[] = {
+	SND_SOC_DAPM_HP("Headphone", NULL),
+	SND_SOC_DAPM_LINE("Line In", NULL),
+	SND_SOC_DAPM_LINE("Line Out", NULL),
+	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+	SND_SOC_DAPM_MIC("Mic", NULL),
+	SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
+};
+
+static struct snd_soc_card *sun6i_codec_create_card(struct device *dev)
+{
+	struct snd_soc_card *card;
+	int ret;
+
+	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+	if (!card)
+		return ERR_PTR(-ENOMEM);
+
+	card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
+	if (!card->dai_link)
+		return ERR_PTR(-ENOMEM);
+
+	card->dev		= dev;
+	card->owner		= THIS_MODULE;
+	card->name		= "A31 Audio Codec";
+	card->dapm_widgets	= sun6i_codec_card_dapm_widgets;
+	card->num_dapm_widgets	= ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
+	card->fully_routed	= true;
+
+	ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
+	if (ret)
+		dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
+
+	return card;
+};
+
+/* Connect digital side enables to analog side widgets */
+static const struct snd_soc_dapm_route sun8i_codec_card_routes[] = {
+	/* ADC Routes */
+	{ "Left ADC", NULL, "ADC Enable" },
+	{ "Right ADC", NULL, "ADC Enable" },
+	{ "Codec Capture", NULL, "Left ADC" },
+	{ "Codec Capture", NULL, "Right ADC" },
+
+	/* DAC Routes */
+	{ "Left DAC", NULL, "DAC Enable" },
+	{ "Right DAC", NULL, "DAC Enable" },
+	{ "Left DAC", NULL, "Codec Playback" },
+	{ "Right DAC", NULL, "Codec Playback" },
+};
+
+static struct snd_soc_aux_dev aux_dev = {
+	.name = "Codec Analog Controls",
+};
+
+static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev)
+{
+	struct snd_soc_card *card;
+	int ret;
+
+	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+	if (!card)
+		return ERR_PTR(-ENOMEM);
+
+	aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
+						 "allwinner,codec-analog-controls",
+						 0);
+	if (!aux_dev.codec_of_node) {
+		dev_err(dev, "Can't find analog controls for codec.\n");
+		return ERR_PTR(-EINVAL);
+	};
+
+	card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
+	if (!card->dai_link)
+		return ERR_PTR(-ENOMEM);
+
+	card->dev		= dev;
+	card->owner		= THIS_MODULE;
+	card->name		= "A23 Audio Codec";
+	card->dapm_widgets	= sun6i_codec_card_dapm_widgets;
+	card->num_dapm_widgets	= ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
+	card->dapm_routes	= sun8i_codec_card_routes;
+	card->num_dapm_routes	= ARRAY_SIZE(sun8i_codec_card_routes);
+	card->aux_dev		= &aux_dev;
+	card->num_aux_devs	= 1;
+	card->fully_routed	= true;
+
+	ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
+	if (ret)
+		dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
+
+	return card;
+};
+
+static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev)
+{
+	struct snd_soc_card *card;
+	int ret;
+
+	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+	if (!card)
+		return ERR_PTR(-ENOMEM);
+
+	aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
+						 "allwinner,codec-analog-controls",
+						 0);
+	if (!aux_dev.codec_of_node) {
+		dev_err(dev, "Can't find analog controls for codec.\n");
+		return ERR_PTR(-EINVAL);
+	};
+
+	card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
+	if (!card->dai_link)
+		return ERR_PTR(-ENOMEM);
+
+	card->dev		= dev;
+	card->owner		= THIS_MODULE;
+	card->name		= "H3 Audio Codec";
+	card->dapm_widgets	= sun6i_codec_card_dapm_widgets;
+	card->num_dapm_widgets	= ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
+	card->dapm_routes	= sun8i_codec_card_routes;
+	card->num_dapm_routes	= ARRAY_SIZE(sun8i_codec_card_routes);
+	card->aux_dev		= &aux_dev;
+	card->num_aux_devs	= 1;
+	card->fully_routed	= true;
+
+	ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
+	if (ret)
+		dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
+
+	return card;
+};
+
+static struct snd_soc_card *sun8i_v3s_codec_create_card(struct device *dev)
+{
+	struct snd_soc_card *card;
+	int ret;
+
+	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+	if (!card)
+		return ERR_PTR(-ENOMEM);
+
+	aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
+						 "allwinner,codec-analog-controls",
+						 0);
+	if (!aux_dev.codec_of_node) {
+		dev_err(dev, "Can't find analog controls for codec.\n");
+		return ERR_PTR(-EINVAL);
+	};
+
+	card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
+	if (!card->dai_link)
+		return ERR_PTR(-ENOMEM);
+
+	card->dev		= dev;
+	card->owner		= THIS_MODULE;
+	card->name		= "V3s Audio Codec";
+	card->dapm_widgets	= sun6i_codec_card_dapm_widgets;
+	card->num_dapm_widgets	= ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
+	card->dapm_routes	= sun8i_codec_card_routes;
+	card->num_dapm_routes	= ARRAY_SIZE(sun8i_codec_card_routes);
+	card->aux_dev		= &aux_dev;
+	card->num_aux_devs	= 1;
+	card->fully_routed	= true;
+
+	ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
+	if (ret)
+		dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
+
+	return card;
+};
+
+static const struct regmap_config sun4i_codec_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= SUN4I_CODEC_ADC_RXCNT,
+};
+
+static const struct regmap_config sun6i_codec_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= SUN6I_CODEC_HMIC_DATA,
+};
+
+static const struct regmap_config sun7i_codec_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= SUN7I_CODEC_AC_MIC_PHONE_CAL,
+};
+
+static const struct regmap_config sun8i_a23_codec_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= SUN8I_A23_CODEC_ADC_RXCNT,
+};
+
+static const struct regmap_config sun8i_h3_codec_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= SUN8I_H3_CODEC_ADC_DBG,
+};
+
+static const struct regmap_config sun8i_v3s_codec_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= SUN8I_H3_CODEC_ADC_DBG,
+};
+
+struct sun4i_codec_quirks {
+	const struct regmap_config *regmap_config;
+	const struct snd_soc_component_driver *codec;
+	struct snd_soc_card * (*create_card)(struct device *dev);
+	struct reg_field reg_adc_fifoc;	/* used for regmap_field */
+	unsigned int reg_dac_txdata;	/* TX FIFO offset for DMA config */
+	unsigned int reg_adc_rxdata;	/* RX FIFO offset for DMA config */
+	bool has_reset;
+};
+
+static const struct sun4i_codec_quirks sun4i_codec_quirks = {
+	.regmap_config	= &sun4i_codec_regmap_config,
+	.codec		= &sun4i_codec_codec,
+	.create_card	= sun4i_codec_create_card,
+	.reg_adc_fifoc	= REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
+	.reg_dac_txdata	= SUN4I_CODEC_DAC_TXDATA,
+	.reg_adc_rxdata	= SUN4I_CODEC_ADC_RXDATA,
+};
+
+static const struct sun4i_codec_quirks sun6i_a31_codec_quirks = {
+	.regmap_config	= &sun6i_codec_regmap_config,
+	.codec		= &sun6i_codec_codec,
+	.create_card	= sun6i_codec_create_card,
+	.reg_adc_fifoc	= REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
+	.reg_dac_txdata	= SUN4I_CODEC_DAC_TXDATA,
+	.reg_adc_rxdata	= SUN6I_CODEC_ADC_RXDATA,
+	.has_reset	= true,
+};
+
+static const struct sun4i_codec_quirks sun7i_codec_quirks = {
+	.regmap_config	= &sun7i_codec_regmap_config,
+	.codec		= &sun4i_codec_codec,
+	.create_card	= sun4i_codec_create_card,
+	.reg_adc_fifoc	= REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
+	.reg_dac_txdata	= SUN4I_CODEC_DAC_TXDATA,
+	.reg_adc_rxdata	= SUN4I_CODEC_ADC_RXDATA,
+};
+
+static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = {
+	.regmap_config	= &sun8i_a23_codec_regmap_config,
+	.codec		= &sun8i_a23_codec_codec,
+	.create_card	= sun8i_a23_codec_create_card,
+	.reg_adc_fifoc	= REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
+	.reg_dac_txdata	= SUN4I_CODEC_DAC_TXDATA,
+	.reg_adc_rxdata	= SUN6I_CODEC_ADC_RXDATA,
+	.has_reset	= true,
+};
+
+static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
+	.regmap_config	= &sun8i_h3_codec_regmap_config,
+	/*
+	 * TODO Share the codec structure with A23 for now.
+	 * This should be split out when adding digital audio
+	 * processing support for the H3.
+	 */
+	.codec		= &sun8i_a23_codec_codec,
+	.create_card	= sun8i_h3_codec_create_card,
+	.reg_adc_fifoc	= REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
+	.reg_dac_txdata	= SUN8I_H3_CODEC_DAC_TXDATA,
+	.reg_adc_rxdata	= SUN6I_CODEC_ADC_RXDATA,
+	.has_reset	= true,
+};
+
+static const struct sun4i_codec_quirks sun8i_v3s_codec_quirks = {
+	.regmap_config	= &sun8i_v3s_codec_regmap_config,
+	/*
+	 * TODO The codec structure should be split out, like
+	 * H3, when adding digital audio processing support.
+	 */
+	.codec		= &sun8i_a23_codec_codec,
+	.create_card	= sun8i_v3s_codec_create_card,
+	.reg_adc_fifoc	= REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
+	.reg_dac_txdata	= SUN8I_H3_CODEC_DAC_TXDATA,
+	.reg_adc_rxdata	= SUN6I_CODEC_ADC_RXDATA,
+	.has_reset	= true,
+};
+
+static const struct of_device_id sun4i_codec_of_match[] = {
+	{
+		.compatible = "allwinner,sun4i-a10-codec",
+		.data = &sun4i_codec_quirks,
+	},
+	{
+		.compatible = "allwinner,sun6i-a31-codec",
+		.data = &sun6i_a31_codec_quirks,
+	},
+	{
+		.compatible = "allwinner,sun7i-a20-codec",
+		.data = &sun7i_codec_quirks,
+	},
+	{
+		.compatible = "allwinner,sun8i-a23-codec",
+		.data = &sun8i_a23_codec_quirks,
+	},
+	{
+		.compatible = "allwinner,sun8i-h3-codec",
+		.data = &sun8i_h3_codec_quirks,
+	},
+	{
+		.compatible = "allwinner,sun8i-v3s-codec",
+		.data = &sun8i_v3s_codec_quirks,
+	},
+	{}
+};
+MODULE_DEVICE_TABLE(of, sun4i_codec_of_match);
+
+static int sun4i_codec_probe(struct platform_device *pdev)
+{
+	struct snd_soc_card *card;
+	struct sun4i_codec *scodec;
+	const struct sun4i_codec_quirks *quirks;
+	struct resource *res;
+	void __iomem *base;
+	int ret;
+
+	scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
+	if (!scodec)
+		return -ENOMEM;
+
+	scodec->dev = &pdev->dev;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(base)) {
+		dev_err(&pdev->dev, "Failed to map the registers\n");
+		return PTR_ERR(base);
+	}
+
+	quirks = of_device_get_match_data(&pdev->dev);
+	if (quirks == NULL) {
+		dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
+		return -ENODEV;
+	}
+
+	scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
+					       quirks->regmap_config);
+	if (IS_ERR(scodec->regmap)) {
+		dev_err(&pdev->dev, "Failed to create our regmap\n");
+		return PTR_ERR(scodec->regmap);
+	}
+
+	/* Get the clocks from the DT */
+	scodec->clk_apb = devm_clk_get(&pdev->dev, "apb");
+	if (IS_ERR(scodec->clk_apb)) {
+		dev_err(&pdev->dev, "Failed to get the APB clock\n");
+		return PTR_ERR(scodec->clk_apb);
+	}
+
+	scodec->clk_module = devm_clk_get(&pdev->dev, "codec");
+	if (IS_ERR(scodec->clk_module)) {
+		dev_err(&pdev->dev, "Failed to get the module clock\n");
+		return PTR_ERR(scodec->clk_module);
+	}
+
+	if (quirks->has_reset) {
+		scodec->rst = devm_reset_control_get_exclusive(&pdev->dev,
+							       NULL);
+		if (IS_ERR(scodec->rst)) {
+			dev_err(&pdev->dev, "Failed to get reset control\n");
+			return PTR_ERR(scodec->rst);
+		}
+	}
+
+	scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa",
+						  GPIOD_OUT_LOW);
+	if (IS_ERR(scodec->gpio_pa)) {
+		ret = PTR_ERR(scodec->gpio_pa);
+		if (ret != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "Failed to get pa gpio: %d\n", ret);
+		return ret;
+	}
+
+	/* reg_field setup */
+	scodec->reg_adc_fifoc = devm_regmap_field_alloc(&pdev->dev,
+							scodec->regmap,
+							quirks->reg_adc_fifoc);
+	if (IS_ERR(scodec->reg_adc_fifoc)) {
+		ret = PTR_ERR(scodec->reg_adc_fifoc);
+		dev_err(&pdev->dev, "Failed to create regmap fields: %d\n",
+			ret);
+		return ret;
+	}
+
+	/* Enable the bus clock */
+	if (clk_prepare_enable(scodec->clk_apb)) {
+		dev_err(&pdev->dev, "Failed to enable the APB clock\n");
+		return -EINVAL;
+	}
+
+	/* Deassert the reset control */
+	if (scodec->rst) {
+		ret = reset_control_deassert(scodec->rst);
+		if (ret) {
+			dev_err(&pdev->dev,
+				"Failed to deassert the reset control\n");
+			goto err_clk_disable;
+		}
+	}
+
+	/* DMA configuration for TX FIFO */
+	scodec->playback_dma_data.addr = res->start + quirks->reg_dac_txdata;
+	scodec->playback_dma_data.maxburst = 8;
+	scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+
+	/* DMA configuration for RX FIFO */
+	scodec->capture_dma_data.addr = res->start + quirks->reg_adc_rxdata;
+	scodec->capture_dma_data.maxburst = 8;
+	scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+
+	ret = devm_snd_soc_register_component(&pdev->dev, quirks->codec,
+				     &sun4i_codec_dai, 1);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register our codec\n");
+		goto err_assert_reset;
+	}
+
+	ret = devm_snd_soc_register_component(&pdev->dev,
+					      &sun4i_codec_component,
+					      &dummy_cpu_dai, 1);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register our DAI\n");
+		goto err_assert_reset;
+	}
+
+	ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register against DMAEngine\n");
+		goto err_assert_reset;
+	}
+
+	card = quirks->create_card(&pdev->dev);
+	if (IS_ERR(card)) {
+		ret = PTR_ERR(card);
+		dev_err(&pdev->dev, "Failed to create our card\n");
+		goto err_assert_reset;
+	}
+
+	snd_soc_card_set_drvdata(card, scodec);
+
+	ret = snd_soc_register_card(card);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register our card\n");
+		goto err_assert_reset;
+	}
+
+	return 0;
+
+err_assert_reset:
+	if (scodec->rst)
+		reset_control_assert(scodec->rst);
+err_clk_disable:
+	clk_disable_unprepare(scodec->clk_apb);
+	return ret;
+}
+
+static int sun4i_codec_remove(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
+
+	snd_soc_unregister_card(card);
+	if (scodec->rst)
+		reset_control_assert(scodec->rst);
+	clk_disable_unprepare(scodec->clk_apb);
+
+	return 0;
+}
+
+static struct platform_driver sun4i_codec_driver = {
+	.driver = {
+		.name = "sun4i-codec",
+		.of_match_table = sun4i_codec_of_match,
+	},
+	.probe = sun4i_codec_probe,
+	.remove = sun4i_codec_remove,
+};
+module_platform_driver(sun4i_codec_driver);
+
+MODULE_DESCRIPTION("Allwinner A10 codec driver");
+MODULE_AUTHOR("Emilio López <emilio@elopez.com.ar>");
+MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
+MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
+MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
new file mode 100644
index 000000000..f248e5639
--- /dev/null
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -0,0 +1,1200 @@
+/*
+ * Copyright (C) 2015 Andrea Venturi
+ * Andrea Venturi <be17068@iperbole.bo.it>
+ *
+ * Copyright (C) 2016 Maxime Ripard
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/clk.h>
+#include <linux/dmaengine.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+
+#include <sound/dmaengine_pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+
+#define SUN4I_I2S_CTRL_REG		0x00
+#define SUN4I_I2S_CTRL_SDO_EN_MASK		GENMASK(11, 8)
+#define SUN4I_I2S_CTRL_SDO_EN(sdo)			BIT(8 + (sdo))
+#define SUN4I_I2S_CTRL_MODE_MASK		BIT(5)
+#define SUN4I_I2S_CTRL_MODE_SLAVE			(1 << 5)
+#define SUN4I_I2S_CTRL_MODE_MASTER			(0 << 5)
+#define SUN4I_I2S_CTRL_TX_EN			BIT(2)
+#define SUN4I_I2S_CTRL_RX_EN			BIT(1)
+#define SUN4I_I2S_CTRL_GL_EN			BIT(0)
+
+#define SUN4I_I2S_FMT0_REG		0x04
+#define SUN4I_I2S_FMT0_LRCLK_POLARITY_MASK	BIT(7)
+#define SUN4I_I2S_FMT0_LRCLK_POLARITY_INVERTED		(1 << 7)
+#define SUN4I_I2S_FMT0_LRCLK_POLARITY_NORMAL		(0 << 7)
+#define SUN4I_I2S_FMT0_BCLK_POLARITY_MASK	BIT(6)
+#define SUN4I_I2S_FMT0_BCLK_POLARITY_INVERTED		(1 << 6)
+#define SUN4I_I2S_FMT0_BCLK_POLARITY_NORMAL		(0 << 6)
+#define SUN4I_I2S_FMT0_SR_MASK			GENMASK(5, 4)
+#define SUN4I_I2S_FMT0_SR(sr)				((sr) << 4)
+#define SUN4I_I2S_FMT0_WSS_MASK			GENMASK(3, 2)
+#define SUN4I_I2S_FMT0_WSS(wss)				((wss) << 2)
+#define SUN4I_I2S_FMT0_FMT_MASK			GENMASK(1, 0)
+#define SUN4I_I2S_FMT0_FMT_RIGHT_J			(2 << 0)
+#define SUN4I_I2S_FMT0_FMT_LEFT_J			(1 << 0)
+#define SUN4I_I2S_FMT0_FMT_I2S				(0 << 0)
+#define SUN4I_I2S_FMT0_POLARITY_INVERTED		(1)
+#define SUN4I_I2S_FMT0_POLARITY_NORMAL			(0)
+
+#define SUN4I_I2S_FMT1_REG		0x08
+#define SUN4I_I2S_FIFO_TX_REG		0x0c
+#define SUN4I_I2S_FIFO_RX_REG		0x10
+
+#define SUN4I_I2S_FIFO_CTRL_REG		0x14
+#define SUN4I_I2S_FIFO_CTRL_FLUSH_TX		BIT(25)
+#define SUN4I_I2S_FIFO_CTRL_FLUSH_RX		BIT(24)
+#define SUN4I_I2S_FIFO_CTRL_TX_MODE_MASK	BIT(2)
+#define SUN4I_I2S_FIFO_CTRL_TX_MODE(mode)		((mode) << 2)
+#define SUN4I_I2S_FIFO_CTRL_RX_MODE_MASK	GENMASK(1, 0)
+#define SUN4I_I2S_FIFO_CTRL_RX_MODE(mode)		(mode)
+
+#define SUN4I_I2S_FIFO_STA_REG		0x18
+
+#define SUN4I_I2S_DMA_INT_CTRL_REG	0x1c
+#define SUN4I_I2S_DMA_INT_CTRL_TX_DRQ_EN	BIT(7)
+#define SUN4I_I2S_DMA_INT_CTRL_RX_DRQ_EN	BIT(3)
+
+#define SUN4I_I2S_INT_STA_REG		0x20
+
+#define SUN4I_I2S_CLK_DIV_REG		0x24
+#define SUN4I_I2S_CLK_DIV_MCLK_EN		BIT(7)
+#define SUN4I_I2S_CLK_DIV_BCLK_MASK		GENMASK(6, 4)
+#define SUN4I_I2S_CLK_DIV_BCLK(bclk)			((bclk) << 4)
+#define SUN4I_I2S_CLK_DIV_MCLK_MASK		GENMASK(3, 0)
+#define SUN4I_I2S_CLK_DIV_MCLK(mclk)			((mclk) << 0)
+
+#define SUN4I_I2S_TX_CNT_REG		0x28
+#define SUN4I_I2S_RX_CNT_REG		0x2c
+
+#define SUN4I_I2S_TX_CHAN_SEL_REG	0x30
+#define SUN4I_I2S_CHAN_SEL(num_chan)		(((num_chan) - 1) << 0)
+
+#define SUN4I_I2S_TX_CHAN_MAP_REG	0x34
+#define SUN4I_I2S_TX_CHAN_MAP(chan, sample)	((sample) << (chan << 2))
+
+#define SUN4I_I2S_RX_CHAN_SEL_REG	0x38
+#define SUN4I_I2S_RX_CHAN_MAP_REG	0x3c
+
+/* Defines required for sun8i-h3 support */
+#define SUN8I_I2S_CTRL_BCLK_OUT			BIT(18)
+#define SUN8I_I2S_CTRL_LRCK_OUT			BIT(17)
+
+#define SUN8I_I2S_FMT0_LRCK_PERIOD_MASK		GENMASK(17, 8)
+#define SUN8I_I2S_FMT0_LRCK_PERIOD(period)	((period - 1) << 8)
+
+#define SUN8I_I2S_INT_STA_REG		0x0c
+#define SUN8I_I2S_FIFO_TX_REG		0x20
+
+#define SUN8I_I2S_CHAN_CFG_REG		0x30
+#define SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM_MASK	GENMASK(6, 4)
+#define SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM(chan)	((chan - 1) << 4)
+#define SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM_MASK	GENMASK(2, 0)
+#define SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM(chan)	(chan - 1)
+
+#define SUN8I_I2S_TX_CHAN_MAP_REG	0x44
+#define SUN8I_I2S_TX_CHAN_SEL_REG	0x34
+#define SUN8I_I2S_TX_CHAN_OFFSET_MASK		GENMASK(13, 12)
+#define SUN8I_I2S_TX_CHAN_OFFSET(offset)	(offset << 12)
+#define SUN8I_I2S_TX_CHAN_EN_MASK		GENMASK(11, 4)
+#define SUN8I_I2S_TX_CHAN_EN(num_chan)		(((1 << num_chan) - 1) << 4)
+
+#define SUN8I_I2S_RX_CHAN_SEL_REG	0x54
+#define SUN8I_I2S_RX_CHAN_MAP_REG	0x58
+
+/**
+ * struct sun4i_i2s_quirks - Differences between SoC variants.
+ *
+ * @has_reset: SoC needs reset deasserted.
+ * @has_slave_select_bit: SoC has a bit to enable slave mode.
+ * @has_fmt_set_lrck_period: SoC requires lrclk period to be set.
+ * @has_chcfg: tx and rx slot number need to be set.
+ * @has_chsel_tx_chen: SoC requires that the tx channels are enabled.
+ * @has_chsel_offset: SoC uses offset for selecting dai operational mode.
+ * @reg_offset_txdata: offset of the tx fifo.
+ * @sun4i_i2s_regmap: regmap config to use.
+ * @mclk_offset: Value by which mclkdiv needs to be adjusted.
+ * @bclk_offset: Value by which bclkdiv needs to be adjusted.
+ * @fmt_offset: Value by which wss and sr needs to be adjusted.
+ * @field_clkdiv_mclk_en: regmap field to enable mclk output.
+ * @field_fmt_wss: regmap field to set word select size.
+ * @field_fmt_sr: regmap field to set sample resolution.
+ * @field_fmt_bclk: regmap field to set clk polarity.
+ * @field_fmt_lrclk: regmap field to set frame polarity.
+ * @field_fmt_mode: regmap field to set the operational mode.
+ * @field_txchanmap: location of the tx channel mapping register.
+ * @field_rxchanmap: location of the rx channel mapping register.
+ * @field_txchansel: location of the tx channel select bit fields.
+ * @field_rxchansel: location of the rx channel select bit fields.
+ */
+struct sun4i_i2s_quirks {
+	bool				has_reset;
+	bool				has_slave_select_bit;
+	bool				has_fmt_set_lrck_period;
+	bool				has_chcfg;
+	bool				has_chsel_tx_chen;
+	bool				has_chsel_offset;
+	unsigned int			reg_offset_txdata;	/* TX FIFO */
+	const struct regmap_config	*sun4i_i2s_regmap;
+	unsigned int			mclk_offset;
+	unsigned int			bclk_offset;
+	unsigned int			fmt_offset;
+
+	/* Register fields for i2s */
+	struct reg_field		field_clkdiv_mclk_en;
+	struct reg_field		field_fmt_wss;
+	struct reg_field		field_fmt_sr;
+	struct reg_field		field_fmt_bclk;
+	struct reg_field		field_fmt_lrclk;
+	struct reg_field		field_fmt_mode;
+	struct reg_field		field_txchanmap;
+	struct reg_field		field_rxchanmap;
+	struct reg_field		field_txchansel;
+	struct reg_field		field_rxchansel;
+};
+
+struct sun4i_i2s {
+	struct clk	*bus_clk;
+	struct clk	*mod_clk;
+	struct regmap	*regmap;
+	struct reset_control *rst;
+
+	unsigned int	mclk_freq;
+
+	struct snd_dmaengine_dai_dma_data	capture_dma_data;
+	struct snd_dmaengine_dai_dma_data	playback_dma_data;
+
+	/* Register fields for i2s */
+	struct regmap_field	*field_clkdiv_mclk_en;
+	struct regmap_field	*field_fmt_wss;
+	struct regmap_field	*field_fmt_sr;
+	struct regmap_field	*field_fmt_bclk;
+	struct regmap_field	*field_fmt_lrclk;
+	struct regmap_field	*field_fmt_mode;
+	struct regmap_field	*field_txchanmap;
+	struct regmap_field	*field_rxchanmap;
+	struct regmap_field	*field_txchansel;
+	struct regmap_field	*field_rxchansel;
+
+	const struct sun4i_i2s_quirks	*variant;
+};
+
+struct sun4i_i2s_clk_div {
+	u8	div;
+	u8	val;
+};
+
+static const struct sun4i_i2s_clk_div sun4i_i2s_bclk_div[] = {
+	{ .div = 2, .val = 0 },
+	{ .div = 4, .val = 1 },
+	{ .div = 6, .val = 2 },
+	{ .div = 8, .val = 3 },
+	{ .div = 12, .val = 4 },
+	{ .div = 16, .val = 5 },
+	/* TODO - extend divide ratio supported by newer SoCs */
+};
+
+static const struct sun4i_i2s_clk_div sun4i_i2s_mclk_div[] = {
+	{ .div = 1, .val = 0 },
+	{ .div = 2, .val = 1 },
+	{ .div = 4, .val = 2 },
+	{ .div = 6, .val = 3 },
+	{ .div = 8, .val = 4 },
+	{ .div = 12, .val = 5 },
+	{ .div = 16, .val = 6 },
+	{ .div = 24, .val = 7 },
+	/* TODO - extend divide ratio supported by newer SoCs */
+};
+
+static int sun4i_i2s_get_bclk_div(struct sun4i_i2s *i2s,
+				  unsigned long parent_rate,
+				  unsigned int sampling_rate,
+				  unsigned int word_size)
+{
+	int div = parent_rate / sampling_rate / word_size / 2;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(sun4i_i2s_bclk_div); i++) {
+		const struct sun4i_i2s_clk_div *bdiv = &sun4i_i2s_bclk_div[i];
+
+		if (bdiv->div == div)
+			return bdiv->val;
+	}
+
+	return -EINVAL;
+}
+
+static int sun4i_i2s_get_mclk_div(struct sun4i_i2s *i2s,
+				  unsigned int oversample_rate,
+				  unsigned int module_rate,
+				  unsigned int sampling_rate)
+{
+	int div = module_rate / sampling_rate / oversample_rate;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(sun4i_i2s_mclk_div); i++) {
+		const struct sun4i_i2s_clk_div *mdiv = &sun4i_i2s_mclk_div[i];
+
+		if (mdiv->div == div)
+			return mdiv->val;
+	}
+
+	return -EINVAL;
+}
+
+static int sun4i_i2s_oversample_rates[] = { 128, 192, 256, 384, 512, 768 };
+static bool sun4i_i2s_oversample_is_valid(unsigned int oversample)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(sun4i_i2s_oversample_rates); i++)
+		if (sun4i_i2s_oversample_rates[i] == oversample)
+			return true;
+
+	return false;
+}
+
+static int sun4i_i2s_set_clk_rate(struct snd_soc_dai *dai,
+				  unsigned int rate,
+				  unsigned int word_size)
+{
+	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+	unsigned int oversample_rate, clk_rate;
+	int bclk_div, mclk_div;
+	int ret;
+
+	switch (rate) {
+	case 176400:
+	case 88200:
+	case 44100:
+	case 22050:
+	case 11025:
+		clk_rate = 22579200;
+		break;
+
+	case 192000:
+	case 128000:
+	case 96000:
+	case 64000:
+	case 48000:
+	case 32000:
+	case 24000:
+	case 16000:
+	case 12000:
+	case 8000:
+		clk_rate = 24576000;
+		break;
+
+	default:
+		dev_err(dai->dev, "Unsupported sample rate: %u\n", rate);
+		return -EINVAL;
+	}
+
+	ret = clk_set_rate(i2s->mod_clk, clk_rate);
+	if (ret)
+		return ret;
+
+	oversample_rate = i2s->mclk_freq / rate;
+	if (!sun4i_i2s_oversample_is_valid(oversample_rate)) {
+		dev_err(dai->dev, "Unsupported oversample rate: %d\n",
+			oversample_rate);
+		return -EINVAL;
+	}
+
+	bclk_div = sun4i_i2s_get_bclk_div(i2s, i2s->mclk_freq,
+					  rate, word_size);
+	if (bclk_div < 0) {
+		dev_err(dai->dev, "Unsupported BCLK divider: %d\n", bclk_div);
+		return -EINVAL;
+	}
+
+	mclk_div = sun4i_i2s_get_mclk_div(i2s, oversample_rate,
+					  clk_rate, rate);
+	if (mclk_div < 0) {
+		dev_err(dai->dev, "Unsupported MCLK divider: %d\n", mclk_div);
+		return -EINVAL;
+	}
+
+	/* Adjust the clock division values if needed */
+	bclk_div += i2s->variant->bclk_offset;
+	mclk_div += i2s->variant->mclk_offset;
+
+	regmap_write(i2s->regmap, SUN4I_I2S_CLK_DIV_REG,
+		     SUN4I_I2S_CLK_DIV_BCLK(bclk_div) |
+		     SUN4I_I2S_CLK_DIV_MCLK(mclk_div));
+
+	regmap_field_write(i2s->field_clkdiv_mclk_en, 1);
+
+	/* Set sync period */
+	if (i2s->variant->has_fmt_set_lrck_period)
+		regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,
+				   SUN8I_I2S_FMT0_LRCK_PERIOD_MASK,
+				   SUN8I_I2S_FMT0_LRCK_PERIOD(32));
+
+	return 0;
+}
+
+static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream,
+			       struct snd_pcm_hw_params *params,
+			       struct snd_soc_dai *dai)
+{
+	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+	int sr, wss, channels;
+	u32 width;
+
+	channels = params_channels(params);
+	if (channels != 2) {
+		dev_err(dai->dev, "Unsupported number of channels: %d\n",
+			channels);
+		return -EINVAL;
+	}
+
+	if (i2s->variant->has_chcfg) {
+		regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,
+				   SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM_MASK,
+				   SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM(channels));
+		regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,
+				   SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM_MASK,
+				   SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM(channels));
+	}
+
+	/* Map the channels for playback and capture */
+	regmap_field_write(i2s->field_txchanmap, 0x76543210);
+	regmap_field_write(i2s->field_rxchanmap, 0x00003210);
+
+	/* Configure the channels */
+	regmap_field_write(i2s->field_txchansel,
+			   SUN4I_I2S_CHAN_SEL(params_channels(params)));
+
+	regmap_field_write(i2s->field_rxchansel,
+			   SUN4I_I2S_CHAN_SEL(params_channels(params)));
+
+	if (i2s->variant->has_chsel_tx_chen)
+		regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,
+				   SUN8I_I2S_TX_CHAN_EN_MASK,
+				   SUN8I_I2S_TX_CHAN_EN(channels));
+
+	switch (params_physical_width(params)) {
+	case 16:
+		width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+		break;
+	default:
+		dev_err(dai->dev, "Unsupported physical sample width: %d\n",
+			params_physical_width(params));
+		return -EINVAL;
+	}
+	i2s->playback_dma_data.addr_width = width;
+
+	switch (params_width(params)) {
+	case 16:
+		sr = 0;
+		wss = 0;
+		break;
+
+	default:
+		dev_err(dai->dev, "Unsupported sample width: %d\n",
+			params_width(params));
+		return -EINVAL;
+	}
+
+	regmap_field_write(i2s->field_fmt_wss,
+			   wss + i2s->variant->fmt_offset);
+	regmap_field_write(i2s->field_fmt_sr,
+			   sr + i2s->variant->fmt_offset);
+
+	return sun4i_i2s_set_clk_rate(dai, params_rate(params),
+				      params_width(params));
+}
+
+static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+	u32 val;
+	u32 offset = 0;
+	u32 bclk_polarity = SUN4I_I2S_FMT0_POLARITY_NORMAL;
+	u32 lrclk_polarity = SUN4I_I2S_FMT0_POLARITY_NORMAL;
+
+	/* DAI Mode */
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		val = SUN4I_I2S_FMT0_FMT_I2S;
+		offset = 1;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		val = SUN4I_I2S_FMT0_FMT_LEFT_J;
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		val = SUN4I_I2S_FMT0_FMT_RIGHT_J;
+		break;
+	default:
+		dev_err(dai->dev, "Unsupported format: %d\n",
+			fmt & SND_SOC_DAIFMT_FORMAT_MASK);
+		return -EINVAL;
+	}
+
+	if (i2s->variant->has_chsel_offset) {
+		/*
+		 * offset being set indicates that we're connected to an i2s
+		 * device, however offset is only used on the sun8i block and
+		 * i2s shares the same setting with the LJ format. Increment
+		 * val so that the bit to value to write is correct.
+		 */
+		if (offset > 0)
+			val++;
+		/* blck offset determines whether i2s or LJ */
+		regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,
+				   SUN8I_I2S_TX_CHAN_OFFSET_MASK,
+				   SUN8I_I2S_TX_CHAN_OFFSET(offset));
+
+		regmap_update_bits(i2s->regmap, SUN8I_I2S_RX_CHAN_SEL_REG,
+				   SUN8I_I2S_TX_CHAN_OFFSET_MASK,
+				   SUN8I_I2S_TX_CHAN_OFFSET(offset));
+	}
+
+	regmap_field_write(i2s->field_fmt_mode, val);
+
+	/* DAI clock polarity */
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_IB_IF:
+		/* Invert both clocks */
+		bclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED;
+		lrclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED;
+		break;
+	case SND_SOC_DAIFMT_IB_NF:
+		/* Invert bit clock */
+		bclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED;
+		break;
+	case SND_SOC_DAIFMT_NB_IF:
+		/* Invert frame clock */
+		lrclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED;
+		break;
+	case SND_SOC_DAIFMT_NB_NF:
+		break;
+	default:
+		dev_err(dai->dev, "Unsupported clock polarity: %d\n",
+			fmt & SND_SOC_DAIFMT_INV_MASK);
+		return -EINVAL;
+	}
+
+	regmap_field_write(i2s->field_fmt_bclk, bclk_polarity);
+	regmap_field_write(i2s->field_fmt_lrclk, lrclk_polarity);
+
+	if (i2s->variant->has_slave_select_bit) {
+		/* DAI clock master masks */
+		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+		case SND_SOC_DAIFMT_CBS_CFS:
+			/* BCLK and LRCLK master */
+			val = SUN4I_I2S_CTRL_MODE_MASTER;
+			break;
+		case SND_SOC_DAIFMT_CBM_CFM:
+			/* BCLK and LRCLK slave */
+			val = SUN4I_I2S_CTRL_MODE_SLAVE;
+			break;
+		default:
+			dev_err(dai->dev, "Unsupported slave setting: %d\n",
+				fmt & SND_SOC_DAIFMT_MASTER_MASK);
+			return -EINVAL;
+		}
+		regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+				   SUN4I_I2S_CTRL_MODE_MASK,
+				   val);
+	} else {
+		/*
+		 * The newer i2s block does not have a slave select bit,
+		 * instead the clk pins are configured as inputs.
+		 */
+		/* DAI clock master masks */
+		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+		case SND_SOC_DAIFMT_CBS_CFS:
+			/* BCLK and LRCLK master */
+			val = SUN8I_I2S_CTRL_BCLK_OUT |
+				SUN8I_I2S_CTRL_LRCK_OUT;
+			break;
+		case SND_SOC_DAIFMT_CBM_CFM:
+			/* BCLK and LRCLK slave */
+			val = 0;
+			break;
+		default:
+			dev_err(dai->dev, "Unsupported slave setting: %d\n",
+				fmt & SND_SOC_DAIFMT_MASTER_MASK);
+			return -EINVAL;
+		}
+		regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+				   SUN8I_I2S_CTRL_BCLK_OUT |
+				   SUN8I_I2S_CTRL_LRCK_OUT,
+				   val);
+	}
+
+	/* Set significant bits in our FIFOs */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,
+			   SUN4I_I2S_FIFO_CTRL_TX_MODE_MASK |
+			   SUN4I_I2S_FIFO_CTRL_RX_MODE_MASK,
+			   SUN4I_I2S_FIFO_CTRL_TX_MODE(1) |
+			   SUN4I_I2S_FIFO_CTRL_RX_MODE(1));
+	return 0;
+}
+
+static void sun4i_i2s_start_capture(struct sun4i_i2s *i2s)
+{
+	/* Flush RX FIFO */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,
+			   SUN4I_I2S_FIFO_CTRL_FLUSH_RX,
+			   SUN4I_I2S_FIFO_CTRL_FLUSH_RX);
+
+	/* Clear RX counter */
+	regmap_write(i2s->regmap, SUN4I_I2S_RX_CNT_REG, 0);
+
+	/* Enable RX Block */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+			   SUN4I_I2S_CTRL_RX_EN,
+			   SUN4I_I2S_CTRL_RX_EN);
+
+	/* Enable RX DRQ */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,
+			   SUN4I_I2S_DMA_INT_CTRL_RX_DRQ_EN,
+			   SUN4I_I2S_DMA_INT_CTRL_RX_DRQ_EN);
+}
+
+static void sun4i_i2s_start_playback(struct sun4i_i2s *i2s)
+{
+	/* Flush TX FIFO */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,
+			   SUN4I_I2S_FIFO_CTRL_FLUSH_TX,
+			   SUN4I_I2S_FIFO_CTRL_FLUSH_TX);
+
+	/* Clear TX counter */
+	regmap_write(i2s->regmap, SUN4I_I2S_TX_CNT_REG, 0);
+
+	/* Enable TX Block */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+			   SUN4I_I2S_CTRL_TX_EN,
+			   SUN4I_I2S_CTRL_TX_EN);
+
+	/* Enable TX DRQ */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,
+			   SUN4I_I2S_DMA_INT_CTRL_TX_DRQ_EN,
+			   SUN4I_I2S_DMA_INT_CTRL_TX_DRQ_EN);
+}
+
+static void sun4i_i2s_stop_capture(struct sun4i_i2s *i2s)
+{
+	/* Disable RX Block */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+			   SUN4I_I2S_CTRL_RX_EN,
+			   0);
+
+	/* Disable RX DRQ */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,
+			   SUN4I_I2S_DMA_INT_CTRL_RX_DRQ_EN,
+			   0);
+}
+
+static void sun4i_i2s_stop_playback(struct sun4i_i2s *i2s)
+{
+	/* Disable TX Block */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+			   SUN4I_I2S_CTRL_TX_EN,
+			   0);
+
+	/* Disable TX DRQ */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,
+			   SUN4I_I2S_DMA_INT_CTRL_TX_DRQ_EN,
+			   0);
+}
+
+static int sun4i_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
+			     struct snd_soc_dai *dai)
+{
+	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+	case SNDRV_PCM_TRIGGER_RESUME:
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+			sun4i_i2s_start_playback(i2s);
+		else
+			sun4i_i2s_start_capture(i2s);
+		break;
+
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+			sun4i_i2s_stop_playback(i2s);
+		else
+			sun4i_i2s_stop_capture(i2s);
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int sun4i_i2s_startup(struct snd_pcm_substream *substream,
+			     struct snd_soc_dai *dai)
+{
+	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+	/* Enable the whole hardware block */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+			   SUN4I_I2S_CTRL_GL_EN, SUN4I_I2S_CTRL_GL_EN);
+
+	/* Enable the first output line */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+			   SUN4I_I2S_CTRL_SDO_EN_MASK,
+			   SUN4I_I2S_CTRL_SDO_EN(0));
+
+
+	return clk_prepare_enable(i2s->mod_clk);
+}
+
+static void sun4i_i2s_shutdown(struct snd_pcm_substream *substream,
+			       struct snd_soc_dai *dai)
+{
+	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+	clk_disable_unprepare(i2s->mod_clk);
+
+	/* Disable our output lines */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+			   SUN4I_I2S_CTRL_SDO_EN_MASK, 0);
+
+	/* Disable the whole hardware block */
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+			   SUN4I_I2S_CTRL_GL_EN, 0);
+}
+
+static int sun4i_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+				unsigned int freq, int dir)
+{
+	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+	if (clk_id != 0)
+		return -EINVAL;
+
+	i2s->mclk_freq = freq;
+
+	return 0;
+}
+
+static const struct snd_soc_dai_ops sun4i_i2s_dai_ops = {
+	.hw_params	= sun4i_i2s_hw_params,
+	.set_fmt	= sun4i_i2s_set_fmt,
+	.set_sysclk	= sun4i_i2s_set_sysclk,
+	.shutdown	= sun4i_i2s_shutdown,
+	.startup	= sun4i_i2s_startup,
+	.trigger	= sun4i_i2s_trigger,
+};
+
+static int sun4i_i2s_dai_probe(struct snd_soc_dai *dai)
+{
+	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+	snd_soc_dai_init_dma_data(dai,
+				  &i2s->playback_dma_data,
+				  &i2s->capture_dma_data);
+
+	snd_soc_dai_set_drvdata(dai, i2s);
+
+	return 0;
+}
+
+static struct snd_soc_dai_driver sun4i_i2s_dai = {
+	.probe = sun4i_i2s_dai_probe,
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_192000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE,
+	},
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_192000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE,
+	},
+	.ops = &sun4i_i2s_dai_ops,
+	.symmetric_rates = 1,
+};
+
+static const struct snd_soc_component_driver sun4i_i2s_component = {
+	.name	= "sun4i-dai",
+};
+
+static bool sun4i_i2s_rd_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case SUN4I_I2S_FIFO_TX_REG:
+		return false;
+
+	default:
+		return true;
+	}
+}
+
+static bool sun4i_i2s_wr_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case SUN4I_I2S_FIFO_RX_REG:
+	case SUN4I_I2S_FIFO_STA_REG:
+		return false;
+
+	default:
+		return true;
+	}
+}
+
+static bool sun4i_i2s_volatile_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case SUN4I_I2S_FIFO_RX_REG:
+	case SUN4I_I2S_INT_STA_REG:
+	case SUN4I_I2S_RX_CNT_REG:
+	case SUN4I_I2S_TX_CNT_REG:
+		return true;
+
+	default:
+		return false;
+	}
+}
+
+static bool sun8i_i2s_rd_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case SUN8I_I2S_FIFO_TX_REG:
+		return false;
+
+	default:
+		return true;
+	}
+}
+
+static bool sun8i_i2s_volatile_reg(struct device *dev, unsigned int reg)
+{
+	if (reg == SUN8I_I2S_INT_STA_REG)
+		return true;
+	if (reg == SUN8I_I2S_FIFO_TX_REG)
+		return false;
+
+	return sun4i_i2s_volatile_reg(dev, reg);
+}
+
+static const struct reg_default sun4i_i2s_reg_defaults[] = {
+	{ SUN4I_I2S_CTRL_REG, 0x00000000 },
+	{ SUN4I_I2S_FMT0_REG, 0x0000000c },
+	{ SUN4I_I2S_FMT1_REG, 0x00004020 },
+	{ SUN4I_I2S_FIFO_CTRL_REG, 0x000400f0 },
+	{ SUN4I_I2S_DMA_INT_CTRL_REG, 0x00000000 },
+	{ SUN4I_I2S_CLK_DIV_REG, 0x00000000 },
+	{ SUN4I_I2S_TX_CHAN_SEL_REG, 0x00000001 },
+	{ SUN4I_I2S_TX_CHAN_MAP_REG, 0x76543210 },
+	{ SUN4I_I2S_RX_CHAN_SEL_REG, 0x00000001 },
+	{ SUN4I_I2S_RX_CHAN_MAP_REG, 0x00003210 },
+};
+
+static const struct reg_default sun8i_i2s_reg_defaults[] = {
+	{ SUN4I_I2S_CTRL_REG, 0x00060000 },
+	{ SUN4I_I2S_FMT0_REG, 0x00000033 },
+	{ SUN4I_I2S_FMT1_REG, 0x00000030 },
+	{ SUN4I_I2S_FIFO_CTRL_REG, 0x000400f0 },
+	{ SUN4I_I2S_DMA_INT_CTRL_REG, 0x00000000 },
+	{ SUN4I_I2S_CLK_DIV_REG, 0x00000000 },
+	{ SUN8I_I2S_CHAN_CFG_REG, 0x00000000 },
+	{ SUN8I_I2S_TX_CHAN_SEL_REG, 0x00000000 },
+	{ SUN8I_I2S_TX_CHAN_MAP_REG, 0x00000000 },
+	{ SUN8I_I2S_RX_CHAN_SEL_REG, 0x00000000 },
+	{ SUN8I_I2S_RX_CHAN_MAP_REG, 0x00000000 },
+};
+
+static const struct regmap_config sun4i_i2s_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= SUN4I_I2S_RX_CHAN_MAP_REG,
+
+	.cache_type	= REGCACHE_FLAT,
+	.reg_defaults	= sun4i_i2s_reg_defaults,
+	.num_reg_defaults	= ARRAY_SIZE(sun4i_i2s_reg_defaults),
+	.writeable_reg	= sun4i_i2s_wr_reg,
+	.readable_reg	= sun4i_i2s_rd_reg,
+	.volatile_reg	= sun4i_i2s_volatile_reg,
+};
+
+static const struct regmap_config sun8i_i2s_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= SUN8I_I2S_RX_CHAN_MAP_REG,
+	.cache_type	= REGCACHE_FLAT,
+	.reg_defaults	= sun8i_i2s_reg_defaults,
+	.num_reg_defaults	= ARRAY_SIZE(sun8i_i2s_reg_defaults),
+	.writeable_reg	= sun4i_i2s_wr_reg,
+	.readable_reg	= sun8i_i2s_rd_reg,
+	.volatile_reg	= sun8i_i2s_volatile_reg,
+};
+
+static int sun4i_i2s_runtime_resume(struct device *dev)
+{
+	struct sun4i_i2s *i2s = dev_get_drvdata(dev);
+	int ret;
+
+	ret = clk_prepare_enable(i2s->bus_clk);
+	if (ret) {
+		dev_err(dev, "Failed to enable bus clock\n");
+		return ret;
+	}
+
+	regcache_cache_only(i2s->regmap, false);
+	regcache_mark_dirty(i2s->regmap);
+
+	ret = regcache_sync(i2s->regmap);
+	if (ret) {
+		dev_err(dev, "Failed to sync regmap cache\n");
+		goto err_disable_clk;
+	}
+
+	return 0;
+
+err_disable_clk:
+	clk_disable_unprepare(i2s->bus_clk);
+	return ret;
+}
+
+static int sun4i_i2s_runtime_suspend(struct device *dev)
+{
+	struct sun4i_i2s *i2s = dev_get_drvdata(dev);
+
+	regcache_cache_only(i2s->regmap, true);
+
+	clk_disable_unprepare(i2s->bus_clk);
+
+	return 0;
+}
+
+static const struct sun4i_i2s_quirks sun4i_a10_i2s_quirks = {
+	.has_reset		= false,
+	.reg_offset_txdata	= SUN4I_I2S_FIFO_TX_REG,
+	.sun4i_i2s_regmap	= &sun4i_i2s_regmap_config,
+	.field_clkdiv_mclk_en	= REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7),
+	.field_fmt_wss		= REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3),
+	.field_fmt_sr		= REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5),
+	.field_fmt_bclk		= REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6),
+	.field_fmt_lrclk	= REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7),
+	.has_slave_select_bit	= true,
+	.field_fmt_mode		= REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 1),
+	.field_txchanmap	= REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31),
+	.field_rxchanmap	= REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31),
+	.field_txchansel	= REG_FIELD(SUN4I_I2S_TX_CHAN_SEL_REG, 0, 2),
+	.field_rxchansel	= REG_FIELD(SUN4I_I2S_RX_CHAN_SEL_REG, 0, 2),
+};
+
+static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks = {
+	.has_reset		= true,
+	.reg_offset_txdata	= SUN4I_I2S_FIFO_TX_REG,
+	.sun4i_i2s_regmap	= &sun4i_i2s_regmap_config,
+	.field_clkdiv_mclk_en	= REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7),
+	.field_fmt_wss		= REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3),
+	.field_fmt_sr		= REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5),
+	.field_fmt_bclk		= REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6),
+	.field_fmt_lrclk	= REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7),
+	.has_slave_select_bit	= true,
+	.field_fmt_mode		= REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 1),
+	.field_txchanmap	= REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31),
+	.field_rxchanmap	= REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31),
+	.field_txchansel	= REG_FIELD(SUN4I_I2S_TX_CHAN_SEL_REG, 0, 2),
+	.field_rxchansel	= REG_FIELD(SUN4I_I2S_RX_CHAN_SEL_REG, 0, 2),
+};
+
+static const struct sun4i_i2s_quirks sun8i_a83t_i2s_quirks = {
+	.has_reset		= true,
+	.reg_offset_txdata	= SUN8I_I2S_FIFO_TX_REG,
+	.sun4i_i2s_regmap	= &sun4i_i2s_regmap_config,
+	.field_clkdiv_mclk_en	= REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7),
+	.field_fmt_wss		= REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3),
+	.field_fmt_sr		= REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5),
+	.field_fmt_bclk		= REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6),
+	.field_fmt_lrclk	= REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7),
+	.has_slave_select_bit	= true,
+	.field_fmt_mode		= REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 1),
+	.field_txchanmap	= REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31),
+	.field_rxchanmap	= REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31),
+	.field_txchansel	= REG_FIELD(SUN4I_I2S_TX_CHAN_SEL_REG, 0, 2),
+	.field_rxchansel	= REG_FIELD(SUN4I_I2S_RX_CHAN_SEL_REG, 0, 2),
+};
+
+static const struct sun4i_i2s_quirks sun8i_h3_i2s_quirks = {
+	.has_reset		= true,
+	.reg_offset_txdata	= SUN8I_I2S_FIFO_TX_REG,
+	.sun4i_i2s_regmap	= &sun8i_i2s_regmap_config,
+	.mclk_offset		= 1,
+	.bclk_offset		= 2,
+	.fmt_offset		= 3,
+	.has_fmt_set_lrck_period = true,
+	.has_chcfg		= true,
+	.has_chsel_tx_chen	= true,
+	.has_chsel_offset	= true,
+	.field_clkdiv_mclk_en	= REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 8, 8),
+	.field_fmt_wss		= REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 2),
+	.field_fmt_sr		= REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 6),
+	.field_fmt_bclk		= REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7),
+	.field_fmt_lrclk	= REG_FIELD(SUN4I_I2S_FMT0_REG, 19, 19),
+	.field_fmt_mode		= REG_FIELD(SUN4I_I2S_CTRL_REG, 4, 5),
+	.field_txchanmap	= REG_FIELD(SUN8I_I2S_TX_CHAN_MAP_REG, 0, 31),
+	.field_rxchanmap	= REG_FIELD(SUN8I_I2S_RX_CHAN_MAP_REG, 0, 31),
+	.field_txchansel	= REG_FIELD(SUN8I_I2S_TX_CHAN_SEL_REG, 0, 2),
+	.field_rxchansel	= REG_FIELD(SUN8I_I2S_RX_CHAN_SEL_REG, 0, 2),
+};
+
+static int sun4i_i2s_init_regmap_fields(struct device *dev,
+					struct sun4i_i2s *i2s)
+{
+	i2s->field_clkdiv_mclk_en =
+		devm_regmap_field_alloc(dev, i2s->regmap,
+					i2s->variant->field_clkdiv_mclk_en);
+	if (IS_ERR(i2s->field_clkdiv_mclk_en))
+		return PTR_ERR(i2s->field_clkdiv_mclk_en);
+
+	i2s->field_fmt_wss =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_fmt_wss);
+	if (IS_ERR(i2s->field_fmt_wss))
+		return PTR_ERR(i2s->field_fmt_wss);
+
+	i2s->field_fmt_sr =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_fmt_sr);
+	if (IS_ERR(i2s->field_fmt_sr))
+		return PTR_ERR(i2s->field_fmt_sr);
+
+	i2s->field_fmt_bclk =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_fmt_bclk);
+	if (IS_ERR(i2s->field_fmt_bclk))
+		return PTR_ERR(i2s->field_fmt_bclk);
+
+	i2s->field_fmt_lrclk =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_fmt_lrclk);
+	if (IS_ERR(i2s->field_fmt_lrclk))
+		return PTR_ERR(i2s->field_fmt_lrclk);
+
+	i2s->field_fmt_mode =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_fmt_mode);
+	if (IS_ERR(i2s->field_fmt_mode))
+		return PTR_ERR(i2s->field_fmt_mode);
+
+	i2s->field_txchanmap =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_txchanmap);
+	if (IS_ERR(i2s->field_txchanmap))
+		return PTR_ERR(i2s->field_txchanmap);
+
+	i2s->field_rxchanmap =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_rxchanmap);
+	if (IS_ERR(i2s->field_rxchanmap))
+		return PTR_ERR(i2s->field_rxchanmap);
+
+	i2s->field_txchansel =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_txchansel);
+	if (IS_ERR(i2s->field_txchansel))
+		return PTR_ERR(i2s->field_txchansel);
+
+	i2s->field_rxchansel =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_rxchansel);
+	return PTR_ERR_OR_ZERO(i2s->field_rxchansel);
+}
+
+static int sun4i_i2s_probe(struct platform_device *pdev)
+{
+	struct sun4i_i2s *i2s;
+	struct resource *res;
+	void __iomem *regs;
+	int irq, ret;
+
+	i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);
+	if (!i2s)
+		return -ENOMEM;
+	platform_set_drvdata(pdev, i2s);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	regs = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(regs))
+		return PTR_ERR(regs);
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "Can't retrieve our interrupt\n");
+		return irq;
+	}
+
+	i2s->variant = of_device_get_match_data(&pdev->dev);
+	if (!i2s->variant) {
+		dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
+		return -ENODEV;
+	}
+
+	i2s->bus_clk = devm_clk_get(&pdev->dev, "apb");
+	if (IS_ERR(i2s->bus_clk)) {
+		dev_err(&pdev->dev, "Can't get our bus clock\n");
+		return PTR_ERR(i2s->bus_clk);
+	}
+
+	i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
+					    i2s->variant->sun4i_i2s_regmap);
+	if (IS_ERR(i2s->regmap)) {
+		dev_err(&pdev->dev, "Regmap initialisation failed\n");
+		return PTR_ERR(i2s->regmap);
+	}
+
+	i2s->mod_clk = devm_clk_get(&pdev->dev, "mod");
+	if (IS_ERR(i2s->mod_clk)) {
+		dev_err(&pdev->dev, "Can't get our mod clock\n");
+		return PTR_ERR(i2s->mod_clk);
+	}
+
+	if (i2s->variant->has_reset) {
+		i2s->rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
+		if (IS_ERR(i2s->rst)) {
+			dev_err(&pdev->dev, "Failed to get reset control\n");
+			return PTR_ERR(i2s->rst);
+		}
+	}
+
+	if (!IS_ERR(i2s->rst)) {
+		ret = reset_control_deassert(i2s->rst);
+		if (ret) {
+			dev_err(&pdev->dev,
+				"Failed to deassert the reset control\n");
+			return -EINVAL;
+		}
+	}
+
+	i2s->playback_dma_data.addr = res->start +
+					i2s->variant->reg_offset_txdata;
+	i2s->playback_dma_data.maxburst = 8;
+
+	i2s->capture_dma_data.addr = res->start + SUN4I_I2S_FIFO_RX_REG;
+	i2s->capture_dma_data.maxburst = 8;
+
+	pm_runtime_enable(&pdev->dev);
+	if (!pm_runtime_enabled(&pdev->dev)) {
+		ret = sun4i_i2s_runtime_resume(&pdev->dev);
+		if (ret)
+			goto err_pm_disable;
+	}
+
+	ret = devm_snd_soc_register_component(&pdev->dev,
+					      &sun4i_i2s_component,
+					      &sun4i_i2s_dai, 1);
+	if (ret) {
+		dev_err(&pdev->dev, "Could not register DAI\n");
+		goto err_suspend;
+	}
+
+	ret = snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
+	if (ret) {
+		dev_err(&pdev->dev, "Could not register PCM\n");
+		goto err_suspend;
+	}
+
+	ret = sun4i_i2s_init_regmap_fields(&pdev->dev, i2s);
+	if (ret) {
+		dev_err(&pdev->dev, "Could not initialise regmap fields\n");
+		goto err_suspend;
+	}
+
+	return 0;
+
+err_suspend:
+	if (!pm_runtime_status_suspended(&pdev->dev))
+		sun4i_i2s_runtime_suspend(&pdev->dev);
+err_pm_disable:
+	pm_runtime_disable(&pdev->dev);
+	if (!IS_ERR(i2s->rst))
+		reset_control_assert(i2s->rst);
+
+	return ret;
+}
+
+static int sun4i_i2s_remove(struct platform_device *pdev)
+{
+	struct sun4i_i2s *i2s = dev_get_drvdata(&pdev->dev);
+
+	snd_dmaengine_pcm_unregister(&pdev->dev);
+
+	pm_runtime_disable(&pdev->dev);
+	if (!pm_runtime_status_suspended(&pdev->dev))
+		sun4i_i2s_runtime_suspend(&pdev->dev);
+
+	if (!IS_ERR(i2s->rst))
+		reset_control_assert(i2s->rst);
+
+	return 0;
+}
+
+static const struct of_device_id sun4i_i2s_match[] = {
+	{
+		.compatible = "allwinner,sun4i-a10-i2s",
+		.data = &sun4i_a10_i2s_quirks,
+	},
+	{
+		.compatible = "allwinner,sun6i-a31-i2s",
+		.data = &sun6i_a31_i2s_quirks,
+	},
+	{
+		.compatible = "allwinner,sun8i-a83t-i2s",
+		.data = &sun8i_a83t_i2s_quirks,
+	},
+	{
+		.compatible = "allwinner,sun8i-h3-i2s",
+		.data = &sun8i_h3_i2s_quirks,
+	},
+	{}
+};
+MODULE_DEVICE_TABLE(of, sun4i_i2s_match);
+
+static const struct dev_pm_ops sun4i_i2s_pm_ops = {
+	.runtime_resume		= sun4i_i2s_runtime_resume,
+	.runtime_suspend	= sun4i_i2s_runtime_suspend,
+};
+
+static struct platform_driver sun4i_i2s_driver = {
+	.probe	= sun4i_i2s_probe,
+	.remove	= sun4i_i2s_remove,
+	.driver	= {
+		.name		= "sun4i-i2s",
+		.of_match_table	= sun4i_i2s_match,
+		.pm		= &sun4i_i2s_pm_ops,
+	},
+};
+module_platform_driver(sun4i_i2s_driver);
+
+MODULE_AUTHOR("Andrea Venturi <be17068@iperbole.bo.it>");
+MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
+MODULE_DESCRIPTION("Allwinner A10 I2S driver");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/sunxi/sun4i-spdif.c b/sound/soc/sunxi/sun4i-spdif.c
new file mode 100644
index 000000000..b4af4aabe
--- /dev/null
+++ b/sound/soc/sunxi/sun4i-spdif.c
@@ -0,0 +1,593 @@
+/*
+ * ALSA SoC SPDIF Audio Layer
+ *
+ * Copyright 2015 Andrea Venturi <be17068@iperbole.bo.it>
+ * Copyright 2015 Marcus Cooper <codekipper@gmail.com>
+ *
+ * Based on the Allwinner SDK driver, released under the GPL.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/regmap.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/ioport.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/reset.h>
+#include <sound/dmaengine_pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#define	SUN4I_SPDIF_CTL		(0x00)
+	#define SUN4I_SPDIF_CTL_MCLKDIV(v)		((v) << 4) /* v even */
+	#define SUN4I_SPDIF_CTL_MCLKOUTEN		BIT(2)
+	#define SUN4I_SPDIF_CTL_GEN			BIT(1)
+	#define SUN4I_SPDIF_CTL_RESET			BIT(0)
+
+#define SUN4I_SPDIF_TXCFG	(0x04)
+	#define SUN4I_SPDIF_TXCFG_SINGLEMOD		BIT(31)
+	#define SUN4I_SPDIF_TXCFG_ASS			BIT(17)
+	#define SUN4I_SPDIF_TXCFG_NONAUDIO		BIT(16)
+	#define SUN4I_SPDIF_TXCFG_TXRATIO(v)		((v) << 4)
+	#define SUN4I_SPDIF_TXCFG_TXRATIO_MASK		GENMASK(8, 4)
+	#define SUN4I_SPDIF_TXCFG_FMTRVD		GENMASK(3, 2)
+	#define SUN4I_SPDIF_TXCFG_FMT16BIT		(0 << 2)
+	#define SUN4I_SPDIF_TXCFG_FMT20BIT		(1 << 2)
+	#define SUN4I_SPDIF_TXCFG_FMT24BIT		(2 << 2)
+	#define SUN4I_SPDIF_TXCFG_CHSTMODE		BIT(1)
+	#define SUN4I_SPDIF_TXCFG_TXEN			BIT(0)
+
+#define SUN4I_SPDIF_RXCFG	(0x08)
+	#define SUN4I_SPDIF_RXCFG_LOCKFLAG		BIT(4)
+	#define SUN4I_SPDIF_RXCFG_CHSTSRC		BIT(3)
+	#define SUN4I_SPDIF_RXCFG_CHSTCP		BIT(1)
+	#define SUN4I_SPDIF_RXCFG_RXEN			BIT(0)
+
+#define SUN4I_SPDIF_TXFIFO	(0x0C)
+
+#define SUN4I_SPDIF_RXFIFO	(0x10)
+
+#define SUN4I_SPDIF_FCTL	(0x14)
+	#define SUN4I_SPDIF_FCTL_FIFOSRC		BIT(31)
+	#define SUN4I_SPDIF_FCTL_FTX			BIT(17)
+	#define SUN4I_SPDIF_FCTL_FRX			BIT(16)
+	#define SUN4I_SPDIF_FCTL_TXTL(v)		((v) << 8)
+	#define SUN4I_SPDIF_FCTL_TXTL_MASK		GENMASK(12, 8)
+	#define SUN4I_SPDIF_FCTL_RXTL(v)		((v) << 3)
+	#define SUN4I_SPDIF_FCTL_RXTL_MASK		GENMASK(7, 3)
+	#define SUN4I_SPDIF_FCTL_TXIM			BIT(2)
+	#define SUN4I_SPDIF_FCTL_RXOM(v)		((v) << 0)
+	#define SUN4I_SPDIF_FCTL_RXOM_MASK		GENMASK(1, 0)
+
+#define SUN4I_SPDIF_FSTA	(0x18)
+	#define SUN4I_SPDIF_FSTA_TXE			BIT(14)
+	#define SUN4I_SPDIF_FSTA_TXECNTSHT		(8)
+	#define SUN4I_SPDIF_FSTA_RXA			BIT(6)
+	#define SUN4I_SPDIF_FSTA_RXACNTSHT		(0)
+
+#define SUN4I_SPDIF_INT		(0x1C)
+	#define SUN4I_SPDIF_INT_RXLOCKEN		BIT(18)
+	#define SUN4I_SPDIF_INT_RXUNLOCKEN		BIT(17)
+	#define SUN4I_SPDIF_INT_RXPARERREN		BIT(16)
+	#define SUN4I_SPDIF_INT_TXDRQEN			BIT(7)
+	#define SUN4I_SPDIF_INT_TXUIEN			BIT(6)
+	#define SUN4I_SPDIF_INT_TXOIEN			BIT(5)
+	#define SUN4I_SPDIF_INT_TXEIEN			BIT(4)
+	#define SUN4I_SPDIF_INT_RXDRQEN			BIT(2)
+	#define SUN4I_SPDIF_INT_RXOIEN			BIT(1)
+	#define SUN4I_SPDIF_INT_RXAIEN			BIT(0)
+
+#define SUN4I_SPDIF_ISTA	(0x20)
+	#define SUN4I_SPDIF_ISTA_RXLOCKSTA		BIT(18)
+	#define SUN4I_SPDIF_ISTA_RXUNLOCKSTA		BIT(17)
+	#define SUN4I_SPDIF_ISTA_RXPARERRSTA		BIT(16)
+	#define SUN4I_SPDIF_ISTA_TXUSTA			BIT(6)
+	#define SUN4I_SPDIF_ISTA_TXOSTA			BIT(5)
+	#define SUN4I_SPDIF_ISTA_TXESTA			BIT(4)
+	#define SUN4I_SPDIF_ISTA_RXOSTA			BIT(1)
+	#define SUN4I_SPDIF_ISTA_RXASTA			BIT(0)
+
+#define SUN8I_SPDIF_TXFIFO	(0x20)
+
+#define SUN4I_SPDIF_TXCNT	(0x24)
+
+#define SUN4I_SPDIF_RXCNT	(0x28)
+
+#define SUN4I_SPDIF_TXCHSTA0	(0x2C)
+	#define SUN4I_SPDIF_TXCHSTA0_CLK(v)		((v) << 28)
+	#define SUN4I_SPDIF_TXCHSTA0_SAMFREQ(v)		((v) << 24)
+	#define SUN4I_SPDIF_TXCHSTA0_SAMFREQ_MASK	GENMASK(27, 24)
+	#define SUN4I_SPDIF_TXCHSTA0_CHNUM(v)		((v) << 20)
+	#define SUN4I_SPDIF_TXCHSTA0_CHNUM_MASK		GENMASK(23, 20)
+	#define SUN4I_SPDIF_TXCHSTA0_SRCNUM(v)		((v) << 16)
+	#define SUN4I_SPDIF_TXCHSTA0_CATACOD(v)		((v) << 8)
+	#define SUN4I_SPDIF_TXCHSTA0_MODE(v)		((v) << 6)
+	#define SUN4I_SPDIF_TXCHSTA0_EMPHASIS(v)	((v) << 3)
+	#define SUN4I_SPDIF_TXCHSTA0_CP			BIT(2)
+	#define SUN4I_SPDIF_TXCHSTA0_AUDIO		BIT(1)
+	#define SUN4I_SPDIF_TXCHSTA0_PRO		BIT(0)
+
+#define SUN4I_SPDIF_TXCHSTA1	(0x30)
+	#define SUN4I_SPDIF_TXCHSTA1_CGMSA(v)		((v) << 8)
+	#define SUN4I_SPDIF_TXCHSTA1_ORISAMFREQ(v)	((v) << 4)
+	#define SUN4I_SPDIF_TXCHSTA1_ORISAMFREQ_MASK	GENMASK(7, 4)
+	#define SUN4I_SPDIF_TXCHSTA1_SAMWORDLEN(v)	((v) << 1)
+	#define SUN4I_SPDIF_TXCHSTA1_MAXWORDLEN		BIT(0)
+
+#define SUN4I_SPDIF_RXCHSTA0	(0x34)
+	#define SUN4I_SPDIF_RXCHSTA0_CLK(v)		((v) << 28)
+	#define SUN4I_SPDIF_RXCHSTA0_SAMFREQ(v)		((v) << 24)
+	#define SUN4I_SPDIF_RXCHSTA0_CHNUM(v)		((v) << 20)
+	#define SUN4I_SPDIF_RXCHSTA0_SRCNUM(v)		((v) << 16)
+	#define SUN4I_SPDIF_RXCHSTA0_CATACOD(v)		((v) << 8)
+	#define SUN4I_SPDIF_RXCHSTA0_MODE(v)		((v) << 6)
+	#define SUN4I_SPDIF_RXCHSTA0_EMPHASIS(v)	((v) << 3)
+	#define SUN4I_SPDIF_RXCHSTA0_CP			BIT(2)
+	#define SUN4I_SPDIF_RXCHSTA0_AUDIO		BIT(1)
+	#define SUN4I_SPDIF_RXCHSTA0_PRO		BIT(0)
+
+#define SUN4I_SPDIF_RXCHSTA1	(0x38)
+	#define SUN4I_SPDIF_RXCHSTA1_CGMSA(v)		((v) << 8)
+	#define SUN4I_SPDIF_RXCHSTA1_ORISAMFREQ(v)	((v) << 4)
+	#define SUN4I_SPDIF_RXCHSTA1_SAMWORDLEN(v)	((v) << 1)
+	#define SUN4I_SPDIF_RXCHSTA1_MAXWORDLEN		BIT(0)
+
+/* Defines for Sampling Frequency */
+#define SUN4I_SPDIF_SAMFREQ_44_1KHZ		0x0
+#define SUN4I_SPDIF_SAMFREQ_NOT_INDICATED	0x1
+#define SUN4I_SPDIF_SAMFREQ_48KHZ		0x2
+#define SUN4I_SPDIF_SAMFREQ_32KHZ		0x3
+#define SUN4I_SPDIF_SAMFREQ_22_05KHZ		0x4
+#define SUN4I_SPDIF_SAMFREQ_24KHZ		0x6
+#define SUN4I_SPDIF_SAMFREQ_88_2KHZ		0x8
+#define SUN4I_SPDIF_SAMFREQ_76_8KHZ		0x9
+#define SUN4I_SPDIF_SAMFREQ_96KHZ		0xa
+#define SUN4I_SPDIF_SAMFREQ_176_4KHZ		0xc
+#define SUN4I_SPDIF_SAMFREQ_192KHZ		0xe
+
+struct sun4i_spdif_dev {
+	struct platform_device *pdev;
+	struct clk *spdif_clk;
+	struct clk *apb_clk;
+	struct reset_control *rst;
+	struct snd_soc_dai_driver cpu_dai_drv;
+	struct regmap *regmap;
+	struct snd_dmaengine_dai_dma_data dma_params_tx;
+};
+
+static void sun4i_spdif_configure(struct sun4i_spdif_dev *host)
+{
+	/* soft reset SPDIF */
+	regmap_write(host->regmap, SUN4I_SPDIF_CTL, SUN4I_SPDIF_CTL_RESET);
+
+	/* flush TX FIFO */
+	regmap_update_bits(host->regmap, SUN4I_SPDIF_FCTL,
+			   SUN4I_SPDIF_FCTL_FTX, SUN4I_SPDIF_FCTL_FTX);
+
+	/* clear TX counter */
+	regmap_write(host->regmap, SUN4I_SPDIF_TXCNT, 0);
+}
+
+static void sun4i_snd_txctrl_on(struct snd_pcm_substream *substream,
+				struct sun4i_spdif_dev *host)
+{
+	if (substream->runtime->channels == 1)
+		regmap_update_bits(host->regmap, SUN4I_SPDIF_TXCFG,
+				   SUN4I_SPDIF_TXCFG_SINGLEMOD,
+				   SUN4I_SPDIF_TXCFG_SINGLEMOD);
+
+	/* SPDIF TX ENABLE */
+	regmap_update_bits(host->regmap, SUN4I_SPDIF_TXCFG,
+			   SUN4I_SPDIF_TXCFG_TXEN, SUN4I_SPDIF_TXCFG_TXEN);
+
+	/* DRQ ENABLE */
+	regmap_update_bits(host->regmap, SUN4I_SPDIF_INT,
+			   SUN4I_SPDIF_INT_TXDRQEN, SUN4I_SPDIF_INT_TXDRQEN);
+
+	/* Global enable */
+	regmap_update_bits(host->regmap, SUN4I_SPDIF_CTL,
+			   SUN4I_SPDIF_CTL_GEN, SUN4I_SPDIF_CTL_GEN);
+}
+
+static void sun4i_snd_txctrl_off(struct snd_pcm_substream *substream,
+				 struct sun4i_spdif_dev *host)
+{
+	/* SPDIF TX DISABLE */
+	regmap_update_bits(host->regmap, SUN4I_SPDIF_TXCFG,
+			   SUN4I_SPDIF_TXCFG_TXEN, 0);
+
+	/* DRQ DISABLE */
+	regmap_update_bits(host->regmap, SUN4I_SPDIF_INT,
+			   SUN4I_SPDIF_INT_TXDRQEN, 0);
+
+	/* Global disable */
+	regmap_update_bits(host->regmap, SUN4I_SPDIF_CTL,
+			   SUN4I_SPDIF_CTL_GEN, 0);
+}
+
+static int sun4i_spdif_startup(struct snd_pcm_substream *substream,
+			       struct snd_soc_dai *cpu_dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct sun4i_spdif_dev *host = snd_soc_dai_get_drvdata(rtd->cpu_dai);
+
+	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
+		return -EINVAL;
+
+	sun4i_spdif_configure(host);
+
+	return 0;
+}
+
+static int sun4i_spdif_hw_params(struct snd_pcm_substream *substream,
+				 struct snd_pcm_hw_params *params,
+				 struct snd_soc_dai *cpu_dai)
+{
+	int ret = 0;
+	int fmt;
+	unsigned long rate = params_rate(params);
+	u32 mclk_div = 0;
+	unsigned int mclk = 0;
+	u32 reg_val;
+	struct sun4i_spdif_dev *host = snd_soc_dai_get_drvdata(cpu_dai);
+	struct platform_device *pdev = host->pdev;
+
+	/* Add the PCM and raw data select interface */
+	switch (params_channels(params)) {
+	case 1: /* PCM mode */
+	case 2:
+		fmt = 0;
+		break;
+	case 4: /* raw data mode */
+		fmt = SUN4I_SPDIF_TXCFG_NONAUDIO;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+		fmt |= SUN4I_SPDIF_TXCFG_FMT16BIT;
+		break;
+	case SNDRV_PCM_FORMAT_S20_3LE:
+		fmt |= SUN4I_SPDIF_TXCFG_FMT20BIT;
+		break;
+	case SNDRV_PCM_FORMAT_S24_LE:
+		fmt |= SUN4I_SPDIF_TXCFG_FMT24BIT;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (rate) {
+	case 22050:
+	case 44100:
+	case 88200:
+	case 176400:
+		mclk = 22579200;
+		break;
+	case 24000:
+	case 32000:
+	case 48000:
+	case 96000:
+	case 192000:
+		mclk = 24576000;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	ret = clk_set_rate(host->spdif_clk, mclk);
+	if (ret < 0) {
+		dev_err(&pdev->dev,
+			"Setting SPDIF clock rate for %d Hz failed!\n", mclk);
+		return ret;
+	}
+
+	regmap_update_bits(host->regmap, SUN4I_SPDIF_FCTL,
+			   SUN4I_SPDIF_FCTL_TXIM, SUN4I_SPDIF_FCTL_TXIM);
+
+	switch (rate) {
+	case 22050:
+	case 24000:
+		mclk_div = 8;
+		break;
+	case 32000:
+		mclk_div = 6;
+		break;
+	case 44100:
+	case 48000:
+		mclk_div = 4;
+		break;
+	case 88200:
+	case 96000:
+		mclk_div = 2;
+		break;
+	case 176400:
+	case 192000:
+		mclk_div = 1;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	reg_val = 0;
+	reg_val |= SUN4I_SPDIF_TXCFG_ASS;
+	reg_val |= fmt; /* set non audio and bit depth */
+	reg_val |= SUN4I_SPDIF_TXCFG_CHSTMODE;
+	reg_val |= SUN4I_SPDIF_TXCFG_TXRATIO(mclk_div - 1);
+	regmap_write(host->regmap, SUN4I_SPDIF_TXCFG, reg_val);
+
+	return 0;
+}
+
+static int sun4i_spdif_trigger(struct snd_pcm_substream *substream, int cmd,
+			       struct snd_soc_dai *dai)
+{
+	int ret = 0;
+	struct sun4i_spdif_dev *host = snd_soc_dai_get_drvdata(dai);
+
+	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
+		return -EINVAL;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		sun4i_snd_txctrl_on(substream, host);
+		break;
+
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		sun4i_snd_txctrl_off(substream, host);
+		break;
+
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static int sun4i_spdif_soc_dai_probe(struct snd_soc_dai *dai)
+{
+	struct sun4i_spdif_dev *host = snd_soc_dai_get_drvdata(dai);
+
+	snd_soc_dai_init_dma_data(dai, &host->dma_params_tx, NULL);
+	return 0;
+}
+
+static const struct snd_soc_dai_ops sun4i_spdif_dai_ops = {
+	.startup	= sun4i_spdif_startup,
+	.trigger	= sun4i_spdif_trigger,
+	.hw_params	= sun4i_spdif_hw_params,
+};
+
+static const struct regmap_config sun4i_spdif_regmap_config = {
+	.reg_bits = 32,
+	.reg_stride = 4,
+	.val_bits = 32,
+	.max_register = SUN4I_SPDIF_RXCHSTA1,
+};
+
+#define SUN4I_RATES	SNDRV_PCM_RATE_8000_192000
+
+#define SUN4I_FORMATS	(SNDRV_PCM_FORMAT_S16_LE | \
+				SNDRV_PCM_FORMAT_S20_3LE | \
+				SNDRV_PCM_FORMAT_S24_LE)
+
+static struct snd_soc_dai_driver sun4i_spdif_dai = {
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = SUN4I_RATES,
+		.formats = SUN4I_FORMATS,
+	},
+	.probe = sun4i_spdif_soc_dai_probe,
+	.ops = &sun4i_spdif_dai_ops,
+	.name = "spdif",
+};
+
+struct sun4i_spdif_quirks {
+	unsigned int reg_dac_txdata;	/* TX FIFO offset for DMA config */
+	bool has_reset;
+};
+
+static const struct sun4i_spdif_quirks sun4i_a10_spdif_quirks = {
+	.reg_dac_txdata	= SUN4I_SPDIF_TXFIFO,
+};
+
+static const struct sun4i_spdif_quirks sun6i_a31_spdif_quirks = {
+	.reg_dac_txdata	= SUN4I_SPDIF_TXFIFO,
+	.has_reset	= true,
+};
+
+static const struct sun4i_spdif_quirks sun8i_h3_spdif_quirks = {
+	.reg_dac_txdata	= SUN8I_SPDIF_TXFIFO,
+	.has_reset	= true,
+};
+
+static const struct of_device_id sun4i_spdif_of_match[] = {
+	{
+		.compatible = "allwinner,sun4i-a10-spdif",
+		.data = &sun4i_a10_spdif_quirks,
+	},
+	{
+		.compatible = "allwinner,sun6i-a31-spdif",
+		.data = &sun6i_a31_spdif_quirks,
+	},
+	{
+		.compatible = "allwinner,sun8i-h3-spdif",
+		.data = &sun8i_h3_spdif_quirks,
+	},
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, sun4i_spdif_of_match);
+
+static const struct snd_soc_component_driver sun4i_spdif_component = {
+	.name		= "sun4i-spdif",
+};
+
+static int sun4i_spdif_runtime_suspend(struct device *dev)
+{
+	struct sun4i_spdif_dev *host  = dev_get_drvdata(dev);
+
+	clk_disable_unprepare(host->spdif_clk);
+	clk_disable_unprepare(host->apb_clk);
+
+	return 0;
+}
+
+static int sun4i_spdif_runtime_resume(struct device *dev)
+{
+	struct sun4i_spdif_dev *host  = dev_get_drvdata(dev);
+	int ret;
+
+	ret = clk_prepare_enable(host->spdif_clk);
+	if (ret)
+		return ret;
+	ret = clk_prepare_enable(host->apb_clk);
+	if (ret)
+		clk_disable_unprepare(host->spdif_clk);
+
+	return ret;
+}
+
+static int sun4i_spdif_probe(struct platform_device *pdev)
+{
+	struct sun4i_spdif_dev *host;
+	struct resource *res;
+	const struct sun4i_spdif_quirks *quirks;
+	int ret;
+	void __iomem *base;
+
+	dev_dbg(&pdev->dev, "Entered %s\n", __func__);
+
+	host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
+	if (!host)
+		return -ENOMEM;
+
+	host->pdev = pdev;
+
+	/* Initialize this copy of the CPU DAI driver structure */
+	memcpy(&host->cpu_dai_drv, &sun4i_spdif_dai, sizeof(sun4i_spdif_dai));
+	host->cpu_dai_drv.name = dev_name(&pdev->dev);
+
+	/* Get the addresses */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	quirks = of_device_get_match_data(&pdev->dev);
+	if (quirks == NULL) {
+		dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
+		return -ENODEV;
+	}
+
+	host->regmap = devm_regmap_init_mmio(&pdev->dev, base,
+						&sun4i_spdif_regmap_config);
+
+	/* Clocks */
+	host->apb_clk = devm_clk_get(&pdev->dev, "apb");
+	if (IS_ERR(host->apb_clk)) {
+		dev_err(&pdev->dev, "failed to get a apb clock.\n");
+		return PTR_ERR(host->apb_clk);
+	}
+
+	host->spdif_clk = devm_clk_get(&pdev->dev, "spdif");
+	if (IS_ERR(host->spdif_clk)) {
+		dev_err(&pdev->dev, "failed to get a spdif clock.\n");
+		return PTR_ERR(host->spdif_clk);
+	}
+
+	host->dma_params_tx.addr = res->start + quirks->reg_dac_txdata;
+	host->dma_params_tx.maxburst = 8;
+	host->dma_params_tx.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+
+	platform_set_drvdata(pdev, host);
+
+	if (quirks->has_reset) {
+		host->rst = devm_reset_control_get_optional_exclusive(&pdev->dev,
+								      NULL);
+		if (IS_ERR(host->rst) && PTR_ERR(host->rst) == -EPROBE_DEFER) {
+			ret = -EPROBE_DEFER;
+			dev_err(&pdev->dev, "Failed to get reset: %d\n", ret);
+			return ret;
+		}
+		if (!IS_ERR(host->rst))
+			reset_control_deassert(host->rst);
+	}
+
+	ret = devm_snd_soc_register_component(&pdev->dev,
+				&sun4i_spdif_component, &sun4i_spdif_dai, 1);
+	if (ret)
+		return ret;
+
+	pm_runtime_enable(&pdev->dev);
+	if (!pm_runtime_enabled(&pdev->dev)) {
+		ret = sun4i_spdif_runtime_resume(&pdev->dev);
+		if (ret)
+			goto err_unregister;
+	}
+
+	ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
+	if (ret)
+		goto err_suspend;
+	return 0;
+err_suspend:
+	if (!pm_runtime_status_suspended(&pdev->dev))
+		sun4i_spdif_runtime_suspend(&pdev->dev);
+err_unregister:
+	pm_runtime_disable(&pdev->dev);
+	return ret;
+}
+
+static int sun4i_spdif_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+	if (!pm_runtime_status_suspended(&pdev->dev))
+		sun4i_spdif_runtime_suspend(&pdev->dev);
+
+	return 0;
+}
+
+static const struct dev_pm_ops sun4i_spdif_pm = {
+	SET_RUNTIME_PM_OPS(sun4i_spdif_runtime_suspend,
+			   sun4i_spdif_runtime_resume, NULL)
+};
+
+static struct platform_driver sun4i_spdif_driver = {
+	.driver		= {
+		.name	= "sun4i-spdif",
+		.of_match_table = of_match_ptr(sun4i_spdif_of_match),
+		.pm	= &sun4i_spdif_pm,
+	},
+	.probe		= sun4i_spdif_probe,
+	.remove		= sun4i_spdif_remove,
+};
+
+module_platform_driver(sun4i_spdif_driver);
+
+MODULE_AUTHOR("Marcus Cooper <codekipper@gmail.com>");
+MODULE_AUTHOR("Andrea Venturi <be17068@iperbole.bo.it>");
+MODULE_DESCRIPTION("Allwinner sun4i SPDIF SoC Interface");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:sun4i-spdif");
diff --git a/sound/soc/sunxi/sun8i-codec-analog.c b/sound/soc/sunxi/sun8i-codec-analog.c
new file mode 100644
index 000000000..485e79f29
--- /dev/null
+++ b/sound/soc/sunxi/sun8i-codec-analog.c
@@ -0,0 +1,938 @@
+/*
+ * This driver supports the analog controls for the internal codec
+ * found in Allwinner's A31s, A23, A33 and H3 SoCs.
+ *
+ * Copyright 2016 Chen-Yu Tsai <wens@csie.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/tlv.h>
+
+/* Codec analog control register offsets and bit fields */
+#define SUN8I_ADDA_HP_VOLC		0x00
+#define SUN8I_ADDA_HP_VOLC_PA_CLK_GATE		7
+#define SUN8I_ADDA_HP_VOLC_HP_VOL		0
+#define SUN8I_ADDA_LOMIXSC		0x01
+#define SUN8I_ADDA_LOMIXSC_MIC1			6
+#define SUN8I_ADDA_LOMIXSC_MIC2			5
+#define SUN8I_ADDA_LOMIXSC_PHONE		4
+#define SUN8I_ADDA_LOMIXSC_PHONEN		3
+#define SUN8I_ADDA_LOMIXSC_LINEINL		2
+#define SUN8I_ADDA_LOMIXSC_DACL			1
+#define SUN8I_ADDA_LOMIXSC_DACR			0
+#define SUN8I_ADDA_ROMIXSC		0x02
+#define SUN8I_ADDA_ROMIXSC_MIC1			6
+#define SUN8I_ADDA_ROMIXSC_MIC2			5
+#define SUN8I_ADDA_ROMIXSC_PHONE		4
+#define SUN8I_ADDA_ROMIXSC_PHONEP		3
+#define SUN8I_ADDA_ROMIXSC_LINEINR		2
+#define SUN8I_ADDA_ROMIXSC_DACR			1
+#define SUN8I_ADDA_ROMIXSC_DACL			0
+#define SUN8I_ADDA_DAC_PA_SRC		0x03
+#define SUN8I_ADDA_DAC_PA_SRC_DACAREN		7
+#define SUN8I_ADDA_DAC_PA_SRC_DACALEN		6
+#define SUN8I_ADDA_DAC_PA_SRC_RMIXEN		5
+#define SUN8I_ADDA_DAC_PA_SRC_LMIXEN		4
+#define SUN8I_ADDA_DAC_PA_SRC_RHPPAMUTE		3
+#define SUN8I_ADDA_DAC_PA_SRC_LHPPAMUTE		2
+#define SUN8I_ADDA_DAC_PA_SRC_RHPIS		1
+#define SUN8I_ADDA_DAC_PA_SRC_LHPIS		0
+#define SUN8I_ADDA_PHONEIN_GCTRL	0x04
+#define SUN8I_ADDA_PHONEIN_GCTRL_PHONEPG	4
+#define SUN8I_ADDA_PHONEIN_GCTRL_PHONENG	0
+#define SUN8I_ADDA_LINEIN_GCTRL		0x05
+#define SUN8I_ADDA_LINEIN_GCTRL_LINEING		4
+#define SUN8I_ADDA_LINEIN_GCTRL_PHONEG		0
+#define SUN8I_ADDA_MICIN_GCTRL		0x06
+#define SUN8I_ADDA_MICIN_GCTRL_MIC1G		4
+#define SUN8I_ADDA_MICIN_GCTRL_MIC2G		0
+#define SUN8I_ADDA_PAEN_HP_CTRL		0x07
+#define SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN		7
+#define SUN8I_ADDA_PAEN_HP_CTRL_LINEOUTEN	7	/* H3 specific */
+#define SUN8I_ADDA_PAEN_HP_CTRL_HPCOM_FC	5
+#define SUN8I_ADDA_PAEN_HP_CTRL_COMPTEN		4
+#define SUN8I_ADDA_PAEN_HP_CTRL_PA_ANTI_POP_CTRL	2
+#define SUN8I_ADDA_PAEN_HP_CTRL_LTRNMUTE	1
+#define SUN8I_ADDA_PAEN_HP_CTRL_RTLNMUTE	0
+#define SUN8I_ADDA_PHONEOUT_CTRL	0x08
+#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTG	5
+#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTEN	4
+#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC1	3
+#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC2	2
+#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_RMIX	1
+#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_LMIX	0
+#define SUN8I_ADDA_PHONE_GAIN_CTRL	0x09
+#define SUN8I_ADDA_PHONE_GAIN_CTRL_LINEOUT_VOL	3
+#define SUN8I_ADDA_PHONE_GAIN_CTRL_PHONEPREG	0
+#define SUN8I_ADDA_MIC2G_CTRL		0x0a
+#define SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN		7
+#define SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST		4
+#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLEN	3
+#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTREN	2
+#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLSRC	1
+#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTRSRC	0
+#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL	0x0b
+#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN	7
+#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN	6
+#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIAS_MODE	5
+#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN		3
+#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST		0
+#define SUN8I_ADDA_LADCMIXSC		0x0c
+#define SUN8I_ADDA_LADCMIXSC_MIC1		6
+#define SUN8I_ADDA_LADCMIXSC_MIC2		5
+#define SUN8I_ADDA_LADCMIXSC_PHONE		4
+#define SUN8I_ADDA_LADCMIXSC_PHONEN		3
+#define SUN8I_ADDA_LADCMIXSC_LINEINL		2
+#define SUN8I_ADDA_LADCMIXSC_OMIXRL		1
+#define SUN8I_ADDA_LADCMIXSC_OMIXRR		0
+#define SUN8I_ADDA_RADCMIXSC		0x0d
+#define SUN8I_ADDA_RADCMIXSC_MIC1		6
+#define SUN8I_ADDA_RADCMIXSC_MIC2		5
+#define SUN8I_ADDA_RADCMIXSC_PHONE		4
+#define SUN8I_ADDA_RADCMIXSC_PHONEP		3
+#define SUN8I_ADDA_RADCMIXSC_LINEINR		2
+#define SUN8I_ADDA_RADCMIXSC_OMIXR		1
+#define SUN8I_ADDA_RADCMIXSC_OMIXL		0
+#define SUN8I_ADDA_RES			0x0e
+#define SUN8I_ADDA_RES_MMICBIAS_SEL		4
+#define SUN8I_ADDA_RES_PA_ANTI_POP_CTRL		0
+#define SUN8I_ADDA_ADC_AP_EN		0x0f
+#define SUN8I_ADDA_ADC_AP_EN_ADCREN		7
+#define SUN8I_ADDA_ADC_AP_EN_ADCLEN		6
+#define SUN8I_ADDA_ADC_AP_EN_ADCG		0
+
+/* Analog control register access bits */
+#define ADDA_PR			0x0		/* PRCM base + 0x1c0 */
+#define ADDA_PR_RESET			BIT(28)
+#define ADDA_PR_WRITE			BIT(24)
+#define ADDA_PR_ADDR_SHIFT		16
+#define ADDA_PR_ADDR_MASK		GENMASK(4, 0)
+#define ADDA_PR_DATA_IN_SHIFT		8
+#define ADDA_PR_DATA_IN_MASK		GENMASK(7, 0)
+#define ADDA_PR_DATA_OUT_SHIFT		0
+#define ADDA_PR_DATA_OUT_MASK		GENMASK(7, 0)
+
+/* regmap access bits */
+static int adda_reg_read(void *context, unsigned int reg, unsigned int *val)
+{
+	void __iomem *base = (void __iomem *)context;
+	u32 tmp;
+
+	/* De-assert reset */
+	writel(readl(base) | ADDA_PR_RESET, base);
+
+	/* Clear write bit */
+	writel(readl(base) & ~ADDA_PR_WRITE, base);
+
+	/* Set register address */
+	tmp = readl(base);
+	tmp &= ~(ADDA_PR_ADDR_MASK << ADDA_PR_ADDR_SHIFT);
+	tmp |= (reg & ADDA_PR_ADDR_MASK) << ADDA_PR_ADDR_SHIFT;
+	writel(tmp, base);
+
+	/* Read back value */
+	*val = readl(base) & ADDA_PR_DATA_OUT_MASK;
+
+	return 0;
+}
+
+static int adda_reg_write(void *context, unsigned int reg, unsigned int val)
+{
+	void __iomem *base = (void __iomem *)context;
+	u32 tmp;
+
+	/* De-assert reset */
+	writel(readl(base) | ADDA_PR_RESET, base);
+
+	/* Set register address */
+	tmp = readl(base);
+	tmp &= ~(ADDA_PR_ADDR_MASK << ADDA_PR_ADDR_SHIFT);
+	tmp |= (reg & ADDA_PR_ADDR_MASK) << ADDA_PR_ADDR_SHIFT;
+	writel(tmp, base);
+
+	/* Set data to write */
+	tmp = readl(base);
+	tmp &= ~(ADDA_PR_DATA_IN_MASK << ADDA_PR_DATA_IN_SHIFT);
+	tmp |= (val & ADDA_PR_DATA_IN_MASK) << ADDA_PR_DATA_IN_SHIFT;
+	writel(tmp, base);
+
+	/* Set write bit to signal a write */
+	writel(readl(base) | ADDA_PR_WRITE, base);
+
+	/* Clear write bit */
+	writel(readl(base) & ~ADDA_PR_WRITE, base);
+
+	return 0;
+}
+
+static const struct regmap_config adda_pr_regmap_cfg = {
+	.name		= "adda-pr",
+	.reg_bits	= 5,
+	.reg_stride	= 1,
+	.val_bits	= 8,
+	.reg_read	= adda_reg_read,
+	.reg_write	= adda_reg_write,
+	.fast_io	= true,
+	.max_register	= 24,
+};
+
+/* mixer controls */
+static const struct snd_kcontrol_new sun8i_codec_mixer_controls[] = {
+	SOC_DAPM_DOUBLE_R("DAC Playback Switch",
+			  SUN8I_ADDA_LOMIXSC,
+			  SUN8I_ADDA_ROMIXSC,
+			  SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
+	SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
+			  SUN8I_ADDA_LOMIXSC,
+			  SUN8I_ADDA_ROMIXSC,
+			  SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
+	SOC_DAPM_DOUBLE_R("Line In Playback Switch",
+			  SUN8I_ADDA_LOMIXSC,
+			  SUN8I_ADDA_ROMIXSC,
+			  SUN8I_ADDA_LOMIXSC_LINEINL, 1, 0),
+	SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
+			  SUN8I_ADDA_LOMIXSC,
+			  SUN8I_ADDA_ROMIXSC,
+			  SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
+	SOC_DAPM_DOUBLE_R("Mic2 Playback Switch",
+			  SUN8I_ADDA_LOMIXSC,
+			  SUN8I_ADDA_ROMIXSC,
+			  SUN8I_ADDA_LOMIXSC_MIC2, 1, 0),
+};
+
+/* mixer controls */
+static const struct snd_kcontrol_new sun8i_v3s_codec_mixer_controls[] = {
+	SOC_DAPM_DOUBLE_R("DAC Playback Switch",
+			  SUN8I_ADDA_LOMIXSC,
+			  SUN8I_ADDA_ROMIXSC,
+			  SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
+	SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
+			  SUN8I_ADDA_LOMIXSC,
+			  SUN8I_ADDA_ROMIXSC,
+			  SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
+	SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
+			  SUN8I_ADDA_LOMIXSC,
+			  SUN8I_ADDA_ROMIXSC,
+			  SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
+};
+
+/* ADC mixer controls */
+static const struct snd_kcontrol_new sun8i_codec_adc_mixer_controls[] = {
+	SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
+			  SUN8I_ADDA_LADCMIXSC,
+			  SUN8I_ADDA_RADCMIXSC,
+			  SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
+	SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
+			  SUN8I_ADDA_LADCMIXSC,
+			  SUN8I_ADDA_RADCMIXSC,
+			  SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
+	SOC_DAPM_DOUBLE_R("Line In Capture Switch",
+			  SUN8I_ADDA_LADCMIXSC,
+			  SUN8I_ADDA_RADCMIXSC,
+			  SUN8I_ADDA_LADCMIXSC_LINEINL, 1, 0),
+	SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
+			  SUN8I_ADDA_LADCMIXSC,
+			  SUN8I_ADDA_RADCMIXSC,
+			  SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
+	SOC_DAPM_DOUBLE_R("Mic2 Capture Switch",
+			  SUN8I_ADDA_LADCMIXSC,
+			  SUN8I_ADDA_RADCMIXSC,
+			  SUN8I_ADDA_LADCMIXSC_MIC2, 1, 0),
+};
+
+/* ADC mixer controls */
+static const struct snd_kcontrol_new sun8i_v3s_codec_adc_mixer_controls[] = {
+	SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
+			  SUN8I_ADDA_LADCMIXSC,
+			  SUN8I_ADDA_RADCMIXSC,
+			  SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
+	SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
+			  SUN8I_ADDA_LADCMIXSC,
+			  SUN8I_ADDA_RADCMIXSC,
+			  SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
+	SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
+			  SUN8I_ADDA_LADCMIXSC,
+			  SUN8I_ADDA_RADCMIXSC,
+			  SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
+};
+
+/* volume / mute controls */
+static const DECLARE_TLV_DB_SCALE(sun8i_codec_out_mixer_pregain_scale,
+				  -450, 150, 0);
+static const DECLARE_TLV_DB_RANGE(sun8i_codec_mic_gain_scale,
+	0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
+	1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
+);
+
+static const struct snd_kcontrol_new sun8i_codec_common_controls[] = {
+	/* Mixer pre-gain */
+	SOC_SINGLE_TLV("Mic1 Playback Volume", SUN8I_ADDA_MICIN_GCTRL,
+		       SUN8I_ADDA_MICIN_GCTRL_MIC1G,
+		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),
+
+	/* Microphone Amp boost gain */
+	SOC_SINGLE_TLV("Mic1 Boost Volume", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
+		       SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST, 0x7, 0,
+		       sun8i_codec_mic_gain_scale),
+
+	/* ADC */
+	SOC_SINGLE_TLV("ADC Gain Capture Volume", SUN8I_ADDA_ADC_AP_EN,
+		       SUN8I_ADDA_ADC_AP_EN_ADCG, 0x7, 0,
+		       sun8i_codec_out_mixer_pregain_scale),
+};
+
+static const struct snd_soc_dapm_widget sun8i_codec_common_widgets[] = {
+	/* ADC */
+	SND_SOC_DAPM_ADC("Left ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
+			 SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0),
+	SND_SOC_DAPM_ADC("Right ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
+			 SUN8I_ADDA_ADC_AP_EN_ADCREN, 0),
+
+	/* DAC */
+	SND_SOC_DAPM_DAC("Left DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
+			 SUN8I_ADDA_DAC_PA_SRC_DACALEN, 0),
+	SND_SOC_DAPM_DAC("Right DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
+			 SUN8I_ADDA_DAC_PA_SRC_DACAREN, 0),
+	/*
+	 * Due to this component and the codec belonging to separate DAPM
+	 * contexts, we need to manually link the above widgets to their
+	 * stream widgets at the card level.
+	 */
+
+	/* Microphone input */
+	SND_SOC_DAPM_INPUT("MIC1"),
+
+	/* Mic input path */
+	SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
+			 SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN, 0, NULL, 0),
+};
+
+static const struct snd_soc_dapm_widget sun8i_codec_mixer_widgets[] = {
+	SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
+			   SUN8I_ADDA_DAC_PA_SRC_LMIXEN, 0,
+			   sun8i_codec_mixer_controls,
+			   ARRAY_SIZE(sun8i_codec_mixer_controls)),
+	SND_SOC_DAPM_MIXER("Right Mixer", SUN8I_ADDA_DAC_PA_SRC,
+			   SUN8I_ADDA_DAC_PA_SRC_RMIXEN, 0,
+			   sun8i_codec_mixer_controls,
+			   ARRAY_SIZE(sun8i_codec_mixer_controls)),
+	SND_SOC_DAPM_MIXER("Left ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
+			   SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0,
+			   sun8i_codec_adc_mixer_controls,
+			   ARRAY_SIZE(sun8i_codec_adc_mixer_controls)),
+	SND_SOC_DAPM_MIXER("Right ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
+			   SUN8I_ADDA_ADC_AP_EN_ADCREN, 0,
+			   sun8i_codec_adc_mixer_controls,
+			   ARRAY_SIZE(sun8i_codec_adc_mixer_controls)),
+};
+
+static const struct snd_soc_dapm_widget sun8i_v3s_codec_mixer_widgets[] = {
+	SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
+			   SUN8I_ADDA_DAC_PA_SRC_LMIXEN, 0,
+			   sun8i_v3s_codec_mixer_controls,
+			   ARRAY_SIZE(sun8i_v3s_codec_mixer_controls)),
+	SND_SOC_DAPM_MIXER("Right Mixer", SUN8I_ADDA_DAC_PA_SRC,
+			   SUN8I_ADDA_DAC_PA_SRC_RMIXEN, 0,
+			   sun8i_v3s_codec_mixer_controls,
+			   ARRAY_SIZE(sun8i_v3s_codec_mixer_controls)),
+	SND_SOC_DAPM_MIXER("Left ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
+			   SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0,
+			   sun8i_v3s_codec_adc_mixer_controls,
+			   ARRAY_SIZE(sun8i_v3s_codec_adc_mixer_controls)),
+	SND_SOC_DAPM_MIXER("Right ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
+			   SUN8I_ADDA_ADC_AP_EN_ADCREN, 0,
+			   sun8i_v3s_codec_adc_mixer_controls,
+			   ARRAY_SIZE(sun8i_v3s_codec_adc_mixer_controls)),
+};
+
+static const struct snd_soc_dapm_route sun8i_codec_common_routes[] = {
+	/* Microphone Routes */
+	{ "Mic1 Amplifier", NULL, "MIC1"},
+};
+
+static const struct snd_soc_dapm_route sun8i_codec_mixer_routes[] = {
+	/* Left Mixer Routes */
+	{ "Left Mixer", "DAC Playback Switch", "Left DAC" },
+	{ "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
+	{ "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
+
+	/* Right Mixer Routes */
+	{ "Right Mixer", "DAC Playback Switch", "Right DAC" },
+	{ "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
+	{ "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
+
+	/* Left ADC Mixer Routes */
+	{ "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
+	{ "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
+	{ "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
+
+	/* Right ADC Mixer Routes */
+	{ "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
+	{ "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
+	{ "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
+
+	/* ADC Routes */
+	{ "Left ADC", NULL, "Left ADC Mixer" },
+	{ "Right ADC", NULL, "Right ADC Mixer" },
+};
+
+/* headphone specific controls, widgets, and routes */
+static const DECLARE_TLV_DB_SCALE(sun8i_codec_hp_vol_scale, -6300, 100, 1);
+static const struct snd_kcontrol_new sun8i_codec_headphone_controls[] = {
+	SOC_SINGLE_TLV("Headphone Playback Volume",
+		       SUN8I_ADDA_HP_VOLC,
+		       SUN8I_ADDA_HP_VOLC_HP_VOL, 0x3f, 0,
+		       sun8i_codec_hp_vol_scale),
+	SOC_DOUBLE("Headphone Playback Switch",
+		   SUN8I_ADDA_DAC_PA_SRC,
+		   SUN8I_ADDA_DAC_PA_SRC_LHPPAMUTE,
+		   SUN8I_ADDA_DAC_PA_SRC_RHPPAMUTE, 1, 0),
+};
+
+static const char * const sun8i_codec_hp_src_enum_text[] = {
+	"DAC", "Mixer",
+};
+
+static SOC_ENUM_DOUBLE_DECL(sun8i_codec_hp_src_enum,
+			    SUN8I_ADDA_DAC_PA_SRC,
+			    SUN8I_ADDA_DAC_PA_SRC_LHPIS,
+			    SUN8I_ADDA_DAC_PA_SRC_RHPIS,
+			    sun8i_codec_hp_src_enum_text);
+
+static const struct snd_kcontrol_new sun8i_codec_hp_src[] = {
+	SOC_DAPM_ENUM("Headphone Source Playback Route",
+		      sun8i_codec_hp_src_enum),
+};
+
+static int sun8i_headphone_amp_event(struct snd_soc_dapm_widget *w,
+				     struct snd_kcontrol *k, int event)
+{
+	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+
+	if (SND_SOC_DAPM_EVENT_ON(event)) {
+		snd_soc_component_update_bits(component, SUN8I_ADDA_PAEN_HP_CTRL,
+					      BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN),
+					      BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN));
+		/*
+		 * Need a delay to have the amplifier up. 700ms seems the best
+		 * compromise between the time to let the amplifier up and the
+		 * time not to feel this delay while playing a sound.
+		 */
+		msleep(700);
+	} else if (SND_SOC_DAPM_EVENT_OFF(event)) {
+		snd_soc_component_update_bits(component, SUN8I_ADDA_PAEN_HP_CTRL,
+					      BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN),
+					      0x0);
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget sun8i_codec_headphone_widgets[] = {
+	SND_SOC_DAPM_MUX("Headphone Source Playback Route",
+			 SND_SOC_NOPM, 0, 0, sun8i_codec_hp_src),
+	SND_SOC_DAPM_OUT_DRV_E("Headphone Amp", SUN8I_ADDA_PAEN_HP_CTRL,
+			       SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN, 0, NULL, 0,
+			       sun8i_headphone_amp_event,
+			       SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN8I_ADDA_PAEN_HP_CTRL,
+			    SUN8I_ADDA_PAEN_HP_CTRL_COMPTEN, 0, NULL, 0),
+	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN8I_ADDA_PAEN_HP_CTRL,
+			 SUN8I_ADDA_PAEN_HP_CTRL_HPCOM_FC, 0x3, 0x3, 0),
+	SND_SOC_DAPM_OUTPUT("HP"),
+};
+
+static const struct snd_soc_dapm_route sun8i_codec_headphone_routes[] = {
+	{ "Headphone Source Playback Route", "DAC", "Left DAC" },
+	{ "Headphone Source Playback Route", "DAC", "Right DAC" },
+	{ "Headphone Source Playback Route", "Mixer", "Left Mixer" },
+	{ "Headphone Source Playback Route", "Mixer", "Right Mixer" },
+	{ "Headphone Amp", NULL, "Headphone Source Playback Route" },
+	{ "HPCOM", NULL, "HPCOM Protection" },
+	{ "HP", NULL, "Headphone Amp" },
+};
+
+static int sun8i_codec_add_headphone(struct snd_soc_component *cmpnt)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
+	struct device *dev = cmpnt->dev;
+	int ret;
+
+	ret = snd_soc_add_component_controls(cmpnt,
+					     sun8i_codec_headphone_controls,
+					     ARRAY_SIZE(sun8i_codec_headphone_controls));
+	if (ret) {
+		dev_err(dev, "Failed to add Headphone controls: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_headphone_widgets,
+					ARRAY_SIZE(sun8i_codec_headphone_widgets));
+	if (ret) {
+		dev_err(dev, "Failed to add Headphone DAPM widgets: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_headphone_routes,
+				      ARRAY_SIZE(sun8i_codec_headphone_routes));
+	if (ret) {
+		dev_err(dev, "Failed to add Headphone DAPM routes: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+/* mbias specific widget */
+static const struct snd_soc_dapm_widget sun8i_codec_mbias_widgets[] = {
+	SND_SOC_DAPM_SUPPLY("MBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
+			    SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN,
+			    0, NULL, 0),
+};
+
+static int sun8i_codec_add_mbias(struct snd_soc_component *cmpnt)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
+	struct device *dev = cmpnt->dev;
+	int ret;
+
+	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_mbias_widgets,
+					ARRAY_SIZE(sun8i_codec_mbias_widgets));
+	if (ret)
+		dev_err(dev, "Failed to add MBIAS DAPM widgets: %d\n", ret);
+
+	return ret;
+}
+
+/* hmic specific widget */
+static const struct snd_soc_dapm_widget sun8i_codec_hmic_widgets[] = {
+	SND_SOC_DAPM_SUPPLY("HBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
+			    SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN,
+			    0, NULL, 0),
+};
+
+static int sun8i_codec_add_hmic(struct snd_soc_component *cmpnt)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
+	struct device *dev = cmpnt->dev;
+	int ret;
+
+	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_hmic_widgets,
+					ARRAY_SIZE(sun8i_codec_hmic_widgets));
+	if (ret)
+		dev_err(dev, "Failed to add Mic3 DAPM widgets: %d\n", ret);
+
+	return ret;
+}
+
+/* line in specific controls, widgets and rines */
+static const struct snd_kcontrol_new sun8i_codec_linein_controls[] = {
+	/* Mixer pre-gain */
+	SOC_SINGLE_TLV("Line In Playback Volume", SUN8I_ADDA_LINEIN_GCTRL,
+		       SUN8I_ADDA_LINEIN_GCTRL_LINEING,
+		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),
+};
+
+static const struct snd_soc_dapm_widget sun8i_codec_linein_widgets[] = {
+	/* Line input */
+	SND_SOC_DAPM_INPUT("LINEIN"),
+};
+
+static const struct snd_soc_dapm_route sun8i_codec_linein_routes[] = {
+	{ "Left Mixer", "Line In Playback Switch", "LINEIN" },
+
+	{ "Right Mixer", "Line In Playback Switch", "LINEIN" },
+
+	{ "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },
+
+	{ "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
+};
+
+static int sun8i_codec_add_linein(struct snd_soc_component *cmpnt)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
+	struct device *dev = cmpnt->dev;
+	int ret;
+
+	ret = snd_soc_add_component_controls(cmpnt,
+					     sun8i_codec_linein_controls,
+					     ARRAY_SIZE(sun8i_codec_linein_controls));
+	if (ret) {
+		dev_err(dev, "Failed to add Line In controls: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_linein_widgets,
+					ARRAY_SIZE(sun8i_codec_linein_widgets));
+	if (ret) {
+		dev_err(dev, "Failed to add Line In DAPM widgets: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_linein_routes,
+				      ARRAY_SIZE(sun8i_codec_linein_routes));
+	if (ret) {
+		dev_err(dev, "Failed to add Line In DAPM routes: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+
+/* line out specific controls, widgets and routes */
+static const DECLARE_TLV_DB_RANGE(sun8i_codec_lineout_vol_scale,
+	0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
+	2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
+);
+static const struct snd_kcontrol_new sun8i_codec_lineout_controls[] = {
+	SOC_SINGLE_TLV("Line Out Playback Volume",
+		       SUN8I_ADDA_PHONE_GAIN_CTRL,
+		       SUN8I_ADDA_PHONE_GAIN_CTRL_LINEOUT_VOL, 0x1f, 0,
+		       sun8i_codec_lineout_vol_scale),
+	SOC_DOUBLE("Line Out Playback Switch",
+		   SUN8I_ADDA_MIC2G_CTRL,
+		   SUN8I_ADDA_MIC2G_CTRL_LINEOUTLEN,
+		   SUN8I_ADDA_MIC2G_CTRL_LINEOUTREN, 1, 0),
+};
+
+static const char * const sun8i_codec_lineout_src_enum_text[] = {
+	"Stereo", "Mono Differential",
+};
+
+static SOC_ENUM_DOUBLE_DECL(sun8i_codec_lineout_src_enum,
+			    SUN8I_ADDA_MIC2G_CTRL,
+			    SUN8I_ADDA_MIC2G_CTRL_LINEOUTLSRC,
+			    SUN8I_ADDA_MIC2G_CTRL_LINEOUTRSRC,
+			    sun8i_codec_lineout_src_enum_text);
+
+static const struct snd_kcontrol_new sun8i_codec_lineout_src[] = {
+	SOC_DAPM_ENUM("Line Out Source Playback Route",
+		      sun8i_codec_lineout_src_enum),
+};
+
+static const struct snd_soc_dapm_widget sun8i_codec_lineout_widgets[] = {
+	SND_SOC_DAPM_MUX("Line Out Source Playback Route",
+			 SND_SOC_NOPM, 0, 0, sun8i_codec_lineout_src),
+	/* It is unclear if this is a buffer or gate, model it as a supply */
+	SND_SOC_DAPM_SUPPLY("Line Out Enable", SUN8I_ADDA_PAEN_HP_CTRL,
+			    SUN8I_ADDA_PAEN_HP_CTRL_LINEOUTEN, 0, NULL, 0),
+	SND_SOC_DAPM_OUTPUT("LINEOUT"),
+};
+
+static const struct snd_soc_dapm_route sun8i_codec_lineout_routes[] = {
+	{ "Line Out Source Playback Route", "Stereo", "Left Mixer" },
+	{ "Line Out Source Playback Route", "Stereo", "Right Mixer" },
+	{ "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
+	{ "Line Out Source Playback Route", "Mono Differential", "Right Mixer" },
+	{ "LINEOUT", NULL, "Line Out Source Playback Route" },
+	{ "LINEOUT", NULL, "Line Out Enable", },
+};
+
+static int sun8i_codec_add_lineout(struct snd_soc_component *cmpnt)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
+	struct device *dev = cmpnt->dev;
+	int ret;
+
+	ret = snd_soc_add_component_controls(cmpnt,
+					     sun8i_codec_lineout_controls,
+					     ARRAY_SIZE(sun8i_codec_lineout_controls));
+	if (ret) {
+		dev_err(dev, "Failed to add Line Out controls: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_lineout_widgets,
+					ARRAY_SIZE(sun8i_codec_lineout_widgets));
+	if (ret) {
+		dev_err(dev, "Failed to add Line Out DAPM widgets: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_lineout_routes,
+				      ARRAY_SIZE(sun8i_codec_lineout_routes));
+	if (ret) {
+		dev_err(dev, "Failed to add Line Out DAPM routes: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+/* mic2 specific controls, widgets and routes */
+static const struct snd_kcontrol_new sun8i_codec_mic2_controls[] = {
+	/* Mixer pre-gain */
+	SOC_SINGLE_TLV("Mic2 Playback Volume",
+		       SUN8I_ADDA_MICIN_GCTRL, SUN8I_ADDA_MICIN_GCTRL_MIC2G,
+		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),
+
+	/* Microphone Amp boost gain */
+	SOC_SINGLE_TLV("Mic2 Boost Volume", SUN8I_ADDA_MIC2G_CTRL,
+		       SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST, 0x7, 0,
+		       sun8i_codec_mic_gain_scale),
+};
+
+static const struct snd_soc_dapm_widget sun8i_codec_mic2_widgets[] = {
+	/* Microphone input */
+	SND_SOC_DAPM_INPUT("MIC2"),
+
+	/* Mic input path */
+	SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN8I_ADDA_MIC2G_CTRL,
+			 SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN, 0, NULL, 0),
+};
+
+static const struct snd_soc_dapm_route sun8i_codec_mic2_routes[] = {
+	{ "Mic2 Amplifier", NULL, "MIC2"},
+
+	{ "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
+
+	{ "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
+
+	{ "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
+
+	{ "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
+};
+
+static int sun8i_codec_add_mic2(struct snd_soc_component *cmpnt)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
+	struct device *dev = cmpnt->dev;
+	int ret;
+
+	ret = snd_soc_add_component_controls(cmpnt,
+					     sun8i_codec_mic2_controls,
+					     ARRAY_SIZE(sun8i_codec_mic2_controls));
+	if (ret) {
+		dev_err(dev, "Failed to add MIC2 controls: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_mic2_widgets,
+					ARRAY_SIZE(sun8i_codec_mic2_widgets));
+	if (ret) {
+		dev_err(dev, "Failed to add MIC2 DAPM widgets: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_mic2_routes,
+				      ARRAY_SIZE(sun8i_codec_mic2_routes));
+	if (ret) {
+		dev_err(dev, "Failed to add MIC2 DAPM routes: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+struct sun8i_codec_analog_quirks {
+	bool has_headphone;
+	bool has_hmic;
+	bool has_linein;
+	bool has_lineout;
+	bool has_mbias;
+	bool has_mic2;
+};
+
+static const struct sun8i_codec_analog_quirks sun8i_a23_quirks = {
+	.has_headphone	= true,
+	.has_hmic	= true,
+	.has_linein	= true,
+	.has_mbias	= true,
+	.has_mic2	= true,
+};
+
+static const struct sun8i_codec_analog_quirks sun8i_h3_quirks = {
+	.has_linein	= true,
+	.has_lineout	= true,
+	.has_mbias	= true,
+	.has_mic2	= true,
+};
+
+static int sun8i_codec_analog_add_mixer(struct snd_soc_component *cmpnt,
+					const struct sun8i_codec_analog_quirks *quirks)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
+	struct device *dev = cmpnt->dev;
+	int ret;
+
+	if (!quirks->has_mic2 && !quirks->has_linein) {
+		/*
+		 * Apply the special widget set which has uses a control
+		 * without MIC2 and Line In, for SoCs without these.
+		 * TODO: not all special cases are supported now, this case
+		 * is present because it's the case of V3s.
+		 */
+		ret = snd_soc_dapm_new_controls(dapm,
+						sun8i_v3s_codec_mixer_widgets,
+						ARRAY_SIZE(sun8i_v3s_codec_mixer_widgets));
+		if (ret) {
+			dev_err(dev, "Failed to add V3s Mixer DAPM widgets: %d\n", ret);
+			return ret;
+		}
+	} else {
+		/* Apply the generic mixer widget set. */
+		ret = snd_soc_dapm_new_controls(dapm,
+						sun8i_codec_mixer_widgets,
+						ARRAY_SIZE(sun8i_codec_mixer_widgets));
+		if (ret) {
+			dev_err(dev, "Failed to add Mixer DAPM widgets: %d\n", ret);
+			return ret;
+		}
+	}
+
+	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_mixer_routes,
+				      ARRAY_SIZE(sun8i_codec_mixer_routes));
+	if (ret) {
+		dev_err(dev, "Failed to add Mixer DAPM routes: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static const struct sun8i_codec_analog_quirks sun8i_v3s_quirks = {
+	.has_headphone	= true,
+	.has_hmic	= true,
+};
+
+static int sun8i_codec_analog_cmpnt_probe(struct snd_soc_component *cmpnt)
+{
+	struct device *dev = cmpnt->dev;
+	const struct sun8i_codec_analog_quirks *quirks;
+	int ret;
+
+	/*
+	 * This would never return NULL unless someone directly registers a
+	 * platform device matching this driver's name, without specifying a
+	 * device tree node.
+	 */
+	quirks = of_device_get_match_data(dev);
+
+	/* Add controls, widgets, and routes for individual features */
+	ret = sun8i_codec_analog_add_mixer(cmpnt, quirks);
+	if (ret)
+		return ret;
+
+	if (quirks->has_headphone) {
+		ret = sun8i_codec_add_headphone(cmpnt);
+		if (ret)
+			return ret;
+	}
+
+	if (quirks->has_hmic) {
+		ret = sun8i_codec_add_hmic(cmpnt);
+		if (ret)
+			return ret;
+	}
+
+	if (quirks->has_linein) {
+		ret = sun8i_codec_add_linein(cmpnt);
+		if (ret)
+			return ret;
+	}
+
+	if (quirks->has_lineout) {
+		ret = sun8i_codec_add_lineout(cmpnt);
+		if (ret)
+			return ret;
+	}
+
+	if (quirks->has_mbias) {
+		ret = sun8i_codec_add_mbias(cmpnt);
+		if (ret)
+			return ret;
+	}
+
+	if (quirks->has_mic2) {
+		ret = sun8i_codec_add_mic2(cmpnt);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_component_driver sun8i_codec_analog_cmpnt_drv = {
+	.controls		= sun8i_codec_common_controls,
+	.num_controls		= ARRAY_SIZE(sun8i_codec_common_controls),
+	.dapm_widgets		= sun8i_codec_common_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(sun8i_codec_common_widgets),
+	.dapm_routes		= sun8i_codec_common_routes,
+	.num_dapm_routes	= ARRAY_SIZE(sun8i_codec_common_routes),
+	.probe			= sun8i_codec_analog_cmpnt_probe,
+};
+
+static const struct of_device_id sun8i_codec_analog_of_match[] = {
+	{
+		.compatible = "allwinner,sun8i-a23-codec-analog",
+		.data = &sun8i_a23_quirks,
+	},
+	{
+		.compatible = "allwinner,sun8i-h3-codec-analog",
+		.data = &sun8i_h3_quirks,
+	},
+	{
+		.compatible = "allwinner,sun8i-v3s-codec-analog",
+		.data = &sun8i_v3s_quirks,
+	},
+	{}
+};
+MODULE_DEVICE_TABLE(of, sun8i_codec_analog_of_match);
+
+static int sun8i_codec_analog_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+	struct regmap *regmap;
+	void __iomem *base;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(base)) {
+		dev_err(&pdev->dev, "Failed to map the registers\n");
+		return PTR_ERR(base);
+	}
+
+	regmap = devm_regmap_init(&pdev->dev, NULL, base, &adda_pr_regmap_cfg);
+	if (IS_ERR(regmap)) {
+		dev_err(&pdev->dev, "Failed to create regmap\n");
+		return PTR_ERR(regmap);
+	}
+
+	return devm_snd_soc_register_component(&pdev->dev,
+					       &sun8i_codec_analog_cmpnt_drv,
+					       NULL, 0);
+}
+
+static struct platform_driver sun8i_codec_analog_driver = {
+	.driver = {
+		.name = "sun8i-codec-analog",
+		.of_match_table = sun8i_codec_analog_of_match,
+	},
+	.probe = sun8i_codec_analog_probe,
+};
+module_platform_driver(sun8i_codec_analog_driver);
+
+MODULE_DESCRIPTION("Allwinner internal codec analog controls driver");
+MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:sun8i-codec-analog");
diff --git a/sound/soc/sunxi/sun8i-codec.c b/sound/soc/sunxi/sun8i-codec.c
new file mode 100644
index 000000000..8bcdeb281
--- /dev/null
+++ b/sound/soc/sunxi/sun8i-codec.c
@@ -0,0 +1,629 @@
+/*
+ * This driver supports the digital controls for the internal codec
+ * found in Allwinner's A33 SoCs.
+ *
+ * (C) Copyright 2010-2016
+ * Reuuimlla Technology Co., Ltd. <www.reuuimllatech.com>
+ * huangxin <huangxin@Reuuimllatech.com>
+ * Mylène Josserand <mylene.josserand@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#define SUN8I_SYSCLK_CTL				0x00c
+#define SUN8I_SYSCLK_CTL_AIF1CLK_ENA			11
+#define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL		9
+#define SUN8I_SYSCLK_CTL_AIF1CLK_SRC			8
+#define SUN8I_SYSCLK_CTL_SYSCLK_ENA			3
+#define SUN8I_SYSCLK_CTL_SYSCLK_SRC			0
+#define SUN8I_MOD_CLK_ENA				0x010
+#define SUN8I_MOD_CLK_ENA_AIF1				15
+#define SUN8I_MOD_CLK_ENA_ADC				3
+#define SUN8I_MOD_CLK_ENA_DAC				2
+#define SUN8I_MOD_RST_CTL				0x014
+#define SUN8I_MOD_RST_CTL_AIF1				15
+#define SUN8I_MOD_RST_CTL_ADC				3
+#define SUN8I_MOD_RST_CTL_DAC				2
+#define SUN8I_SYS_SR_CTRL				0x018
+#define SUN8I_SYS_SR_CTRL_AIF1_FS			12
+#define SUN8I_SYS_SR_CTRL_AIF2_FS			8
+#define SUN8I_AIF1CLK_CTRL				0x040
+#define SUN8I_AIF1CLK_CTRL_AIF1_MSTR_MOD		15
+#define SUN8I_AIF1CLK_CTRL_AIF1_BCLK_INV		14
+#define SUN8I_AIF1CLK_CTRL_AIF1_LRCK_INV		13
+#define SUN8I_AIF1CLK_CTRL_AIF1_BCLK_DIV		9
+#define SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV		6
+#define SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV_16		(1 << 6)
+#define SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ		4
+#define SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ_16		(1 << 4)
+#define SUN8I_AIF1CLK_CTRL_AIF1_DATA_FMT		2
+#define SUN8I_AIF1_ADCDAT_CTRL				0x044
+#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0L_ENA		15
+#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0R_ENA		14
+#define SUN8I_AIF1_DACDAT_CTRL				0x048
+#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA		15
+#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA		14
+#define SUN8I_AIF1_MXR_SRC				0x04c
+#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF1DA0L	15
+#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACL	14
+#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_ADCL		13
+#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACR	12
+#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R	11
+#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR	10
+#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR		9
+#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL	8
+#define SUN8I_ADC_DIG_CTRL				0x100
+#define SUN8I_ADC_DIG_CTRL_ENDA			15
+#define SUN8I_ADC_DIG_CTRL_ADOUT_DTS			2
+#define SUN8I_ADC_DIG_CTRL_ADOUT_DLY			1
+#define SUN8I_DAC_DIG_CTRL				0x120
+#define SUN8I_DAC_DIG_CTRL_ENDA			15
+#define SUN8I_DAC_MXR_SRC				0x130
+#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L	15
+#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L	14
+#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL	13
+#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL		12
+#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R	11
+#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R	10
+#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR	9
+#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR		8
+
+#define SUN8I_SYS_SR_CTRL_AIF1_FS_MASK		GENMASK(15, 12)
+#define SUN8I_SYS_SR_CTRL_AIF2_FS_MASK		GENMASK(11, 8)
+#define SUN8I_AIF1CLK_CTRL_AIF1_DATA_FMT_MASK	GENMASK(3, 2)
+#define SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ_MASK	GENMASK(5, 4)
+#define SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV_MASK	GENMASK(8, 6)
+#define SUN8I_AIF1CLK_CTRL_AIF1_BCLK_DIV_MASK	GENMASK(12, 9)
+
+struct sun8i_codec {
+	struct device	*dev;
+	struct regmap	*regmap;
+	struct clk	*clk_module;
+	struct clk	*clk_bus;
+};
+
+static int sun8i_codec_runtime_resume(struct device *dev)
+{
+	struct sun8i_codec *scodec = dev_get_drvdata(dev);
+	int ret;
+
+	ret = clk_prepare_enable(scodec->clk_module);
+	if (ret) {
+		dev_err(dev, "Failed to enable the module clock\n");
+		return ret;
+	}
+
+	ret = clk_prepare_enable(scodec->clk_bus);
+	if (ret) {
+		dev_err(dev, "Failed to enable the bus clock\n");
+		goto err_disable_modclk;
+	}
+
+	regcache_cache_only(scodec->regmap, false);
+
+	ret = regcache_sync(scodec->regmap);
+	if (ret) {
+		dev_err(dev, "Failed to sync regmap cache\n");
+		goto err_disable_clk;
+	}
+
+	return 0;
+
+err_disable_clk:
+	clk_disable_unprepare(scodec->clk_bus);
+
+err_disable_modclk:
+	clk_disable_unprepare(scodec->clk_module);
+
+	return ret;
+}
+
+static int sun8i_codec_runtime_suspend(struct device *dev)
+{
+	struct sun8i_codec *scodec = dev_get_drvdata(dev);
+
+	regcache_cache_only(scodec->regmap, true);
+	regcache_mark_dirty(scodec->regmap);
+
+	clk_disable_unprepare(scodec->clk_module);
+	clk_disable_unprepare(scodec->clk_bus);
+
+	return 0;
+}
+
+static int sun8i_codec_get_hw_rate(struct snd_pcm_hw_params *params)
+{
+	unsigned int rate = params_rate(params);
+
+	switch (rate) {
+	case 8000:
+	case 7350:
+		return 0x0;
+	case 11025:
+		return 0x1;
+	case 12000:
+		return 0x2;
+	case 16000:
+		return 0x3;
+	case 22050:
+		return 0x4;
+	case 24000:
+		return 0x5;
+	case 32000:
+		return 0x6;
+	case 44100:
+		return 0x7;
+	case 48000:
+		return 0x8;
+	case 96000:
+		return 0x9;
+	case 192000:
+		return 0xa;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int sun8i_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+	struct sun8i_codec *scodec = snd_soc_component_get_drvdata(dai->component);
+	u32 value;
+
+	/* clock masters */
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBS_CFS: /* Codec slave, DAI master */
+		value = 0x1;
+		break;
+	case SND_SOC_DAIFMT_CBM_CFM: /* Codec Master, DAI slave */
+		value = 0x0;
+		break;
+	default:
+		return -EINVAL;
+	}
+	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
+			   BIT(SUN8I_AIF1CLK_CTRL_AIF1_MSTR_MOD),
+			   value << SUN8I_AIF1CLK_CTRL_AIF1_MSTR_MOD);
+
+	/* clock inversion */
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_NB_NF: /* Normal */
+		value = 0x0;
+		break;
+	case SND_SOC_DAIFMT_IB_IF: /* Inversion */
+		value = 0x1;
+		break;
+	default:
+		return -EINVAL;
+	}
+	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
+			   BIT(SUN8I_AIF1CLK_CTRL_AIF1_BCLK_INV),
+			   value << SUN8I_AIF1CLK_CTRL_AIF1_BCLK_INV);
+
+	/*
+	 * It appears that the DAI and the codec don't share the same
+	 * polarity for the LRCK signal when they mean 'normal' and
+	 * 'inverted' in the datasheet.
+	 *
+	 * Since the DAI here is our regular i2s driver that have been
+	 * tested with way more codecs than just this one, it means
+	 * that the codec probably gets it backward, and we have to
+	 * invert the value here.
+	 */
+	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
+			   BIT(SUN8I_AIF1CLK_CTRL_AIF1_LRCK_INV),
+			   !value << SUN8I_AIF1CLK_CTRL_AIF1_LRCK_INV);
+
+	/* DAI format */
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		value = 0x0;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		value = 0x1;
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		value = 0x2;
+		break;
+	case SND_SOC_DAIFMT_DSP_A:
+	case SND_SOC_DAIFMT_DSP_B:
+		value = 0x3;
+		break;
+	default:
+		return -EINVAL;
+	}
+	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
+			   SUN8I_AIF1CLK_CTRL_AIF1_DATA_FMT_MASK,
+			   value << SUN8I_AIF1CLK_CTRL_AIF1_DATA_FMT);
+
+	return 0;
+}
+
+struct sun8i_codec_clk_div {
+	u8	div;
+	u8	val;
+};
+
+static const struct sun8i_codec_clk_div sun8i_codec_bclk_div[] = {
+	{ .div = 1,	.val = 0 },
+	{ .div = 2,	.val = 1 },
+	{ .div = 4,	.val = 2 },
+	{ .div = 6,	.val = 3 },
+	{ .div = 8,	.val = 4 },
+	{ .div = 12,	.val = 5 },
+	{ .div = 16,	.val = 6 },
+	{ .div = 24,	.val = 7 },
+	{ .div = 32,	.val = 8 },
+	{ .div = 48,	.val = 9 },
+	{ .div = 64,	.val = 10 },
+	{ .div = 96,	.val = 11 },
+	{ .div = 128,	.val = 12 },
+	{ .div = 192,	.val = 13 },
+};
+
+static u8 sun8i_codec_get_bclk_div(struct sun8i_codec *scodec,
+				   unsigned int rate,
+				   unsigned int word_size)
+{
+	unsigned long clk_rate = clk_get_rate(scodec->clk_module);
+	unsigned int div = clk_rate / rate / word_size / 2;
+	unsigned int best_val = 0, best_diff = ~0;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(sun8i_codec_bclk_div); i++) {
+		const struct sun8i_codec_clk_div *bdiv = &sun8i_codec_bclk_div[i];
+		unsigned int diff = abs(bdiv->div - div);
+
+		if (diff < best_diff) {
+			best_diff = diff;
+			best_val = bdiv->val;
+		}
+	}
+
+	return best_val;
+}
+
+static int sun8i_codec_hw_params(struct snd_pcm_substream *substream,
+				 struct snd_pcm_hw_params *params,
+				 struct snd_soc_dai *dai)
+{
+	struct sun8i_codec *scodec = snd_soc_component_get_drvdata(dai->component);
+	int sample_rate;
+	u8 bclk_div;
+
+	/*
+	 * The CPU DAI handles only a sample of 16 bits. Configure the
+	 * codec to handle this type of sample resolution.
+	 */
+	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
+			   SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ_MASK,
+			   SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ_16);
+
+	bclk_div = sun8i_codec_get_bclk_div(scodec, params_rate(params), 16);
+	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
+			   SUN8I_AIF1CLK_CTRL_AIF1_BCLK_DIV_MASK,
+			   bclk_div << SUN8I_AIF1CLK_CTRL_AIF1_BCLK_DIV);
+
+	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
+			   SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV_MASK,
+			   SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV_16);
+
+	sample_rate = sun8i_codec_get_hw_rate(params);
+	if (sample_rate < 0)
+		return sample_rate;
+
+	regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL,
+			   SUN8I_SYS_SR_CTRL_AIF1_FS_MASK,
+			   sample_rate << SUN8I_SYS_SR_CTRL_AIF1_FS);
+	regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL,
+			   SUN8I_SYS_SR_CTRL_AIF2_FS_MASK,
+			   sample_rate << SUN8I_SYS_SR_CTRL_AIF2_FS);
+
+	return 0;
+}
+
+static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = {
+	SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital DAC Playback Switch",
+			SUN8I_DAC_MXR_SRC,
+			SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L,
+			SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R, 1, 0),
+	SOC_DAPM_DOUBLE("AIF1 Slot 1 Digital DAC Playback Switch",
+			SUN8I_DAC_MXR_SRC,
+			SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L,
+			SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R, 1, 0),
+	SOC_DAPM_DOUBLE("AIF2 Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
+			SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL,
+			SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR, 1, 0),
+	SOC_DAPM_DOUBLE("ADC Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
+			SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL,
+			SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR, 1, 0),
+};
+
+static const struct snd_kcontrol_new sun8i_input_mixer_controls[] = {
+	SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital ADC Capture Switch",
+			SUN8I_AIF1_MXR_SRC,
+			SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF1DA0L,
+			SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R, 1, 0),
+	SOC_DAPM_DOUBLE("AIF2 Digital ADC Capture Switch", SUN8I_AIF1_MXR_SRC,
+			SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACL,
+			SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR, 1, 0),
+	SOC_DAPM_DOUBLE("AIF1 Data Digital ADC Capture Switch",
+			SUN8I_AIF1_MXR_SRC,
+			SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_ADCL,
+			SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR, 1, 0),
+	SOC_DAPM_DOUBLE("AIF2 Inv Digital ADC Capture Switch",
+			SUN8I_AIF1_MXR_SRC,
+			SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACR,
+			SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
+	/* Digital parts of the DACs and ADC */
+	SND_SOC_DAPM_SUPPLY("DAC", SUN8I_DAC_DIG_CTRL, SUN8I_DAC_DIG_CTRL_ENDA,
+			    0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("ADC", SUN8I_ADC_DIG_CTRL, SUN8I_ADC_DIG_CTRL_ENDA,
+			    0, NULL, 0),
+
+	/* Analog DAC AIF */
+	SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Left", "Playback", 0,
+			    SUN8I_AIF1_DACDAT_CTRL,
+			    SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA, 0),
+	SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Right", "Playback", 0,
+			    SUN8I_AIF1_DACDAT_CTRL,
+			    SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0),
+
+	/* Analog ADC AIF */
+	SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Left ADC", "Capture", 0,
+			    SUN8I_AIF1_ADCDAT_CTRL,
+			    SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0L_ENA, 0),
+	SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Right ADC", "Capture", 0,
+			    SUN8I_AIF1_ADCDAT_CTRL,
+			    SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0R_ENA, 0),
+
+	/* DAC and ADC Mixers */
+	SOC_MIXER_ARRAY("Left Digital DAC Mixer", SND_SOC_NOPM, 0, 0,
+			sun8i_dac_mixer_controls),
+	SOC_MIXER_ARRAY("Right Digital DAC Mixer", SND_SOC_NOPM, 0, 0,
+			sun8i_dac_mixer_controls),
+	SOC_MIXER_ARRAY("Left Digital ADC Mixer", SND_SOC_NOPM, 0, 0,
+			sun8i_input_mixer_controls),
+	SOC_MIXER_ARRAY("Right Digital ADC Mixer", SND_SOC_NOPM, 0, 0,
+			sun8i_input_mixer_controls),
+
+	/* Clocks */
+	SND_SOC_DAPM_SUPPLY("MODCLK AFI1", SUN8I_MOD_CLK_ENA,
+			    SUN8I_MOD_CLK_ENA_AIF1, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("MODCLK DAC", SUN8I_MOD_CLK_ENA,
+			    SUN8I_MOD_CLK_ENA_DAC, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("MODCLK ADC", SUN8I_MOD_CLK_ENA,
+			    SUN8I_MOD_CLK_ENA_ADC, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("AIF1", SUN8I_SYSCLK_CTL,
+			    SUN8I_SYSCLK_CTL_AIF1CLK_ENA, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("SYSCLK", SUN8I_SYSCLK_CTL,
+			    SUN8I_SYSCLK_CTL_SYSCLK_ENA, 0, NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY("AIF1 PLL", SUN8I_SYSCLK_CTL,
+			    SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL, 0, NULL, 0),
+	/* Inversion as 0=AIF1, 1=AIF2 */
+	SND_SOC_DAPM_SUPPLY("SYSCLK AIF1", SUN8I_SYSCLK_CTL,
+			    SUN8I_SYSCLK_CTL_SYSCLK_SRC, 1, NULL, 0),
+
+	/* Module reset */
+	SND_SOC_DAPM_SUPPLY("RST AIF1", SUN8I_MOD_RST_CTL,
+			    SUN8I_MOD_RST_CTL_AIF1, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("RST DAC", SUN8I_MOD_RST_CTL,
+			    SUN8I_MOD_RST_CTL_DAC, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("RST ADC", SUN8I_MOD_RST_CTL,
+			    SUN8I_MOD_RST_CTL_ADC, 0, NULL, 0),
+
+	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+	SND_SOC_DAPM_MIC("Mic", NULL),
+
+};
+
+static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = {
+	/* Clock Routes */
+	{ "AIF1", NULL, "SYSCLK AIF1" },
+	{ "AIF1 PLL", NULL, "AIF1" },
+	{ "RST AIF1", NULL, "AIF1 PLL" },
+	{ "MODCLK AFI1", NULL, "RST AIF1" },
+	{ "DAC", NULL, "MODCLK AFI1" },
+	{ "ADC", NULL, "MODCLK AFI1" },
+
+	{ "RST DAC", NULL, "SYSCLK" },
+	{ "MODCLK DAC", NULL, "RST DAC" },
+	{ "DAC", NULL, "MODCLK DAC" },
+
+	{ "RST ADC", NULL, "SYSCLK" },
+	{ "MODCLK ADC", NULL, "RST ADC" },
+	{ "ADC", NULL, "MODCLK ADC" },
+
+	/* DAC Routes */
+	{ "AIF1 Slot 0 Right", NULL, "DAC" },
+	{ "AIF1 Slot 0 Left", NULL, "DAC" },
+
+	/* DAC Mixer Routes */
+	{ "Left Digital DAC Mixer", "AIF1 Slot 0 Digital DAC Playback Switch",
+	  "AIF1 Slot 0 Left"},
+	{ "Right Digital DAC Mixer", "AIF1 Slot 0 Digital DAC Playback Switch",
+	  "AIF1 Slot 0 Right"},
+
+	/* ADC Routes */
+	{ "AIF1 Slot 0 Right ADC", NULL, "ADC" },
+	{ "AIF1 Slot 0 Left ADC", NULL, "ADC" },
+
+	/* ADC Mixer Routes */
+	{ "Left Digital ADC Mixer", "AIF1 Data Digital ADC Capture Switch",
+	  "AIF1 Slot 0 Left ADC" },
+	{ "Right Digital ADC Mixer", "AIF1 Data Digital ADC Capture Switch",
+	  "AIF1 Slot 0 Right ADC" },
+};
+
+static const struct snd_soc_dai_ops sun8i_codec_dai_ops = {
+	.hw_params = sun8i_codec_hw_params,
+	.set_fmt = sun8i_set_fmt,
+};
+
+static struct snd_soc_dai_driver sun8i_codec_dai = {
+	.name = "sun8i",
+	/* playback capabilities */
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_192000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE,
+	},
+	/* capture capabilities */
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_192000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE,
+		.sig_bits = 24,
+	},
+	/* pcm operations */
+	.ops = &sun8i_codec_dai_ops,
+};
+
+static const struct snd_soc_component_driver sun8i_soc_component = {
+	.dapm_widgets		= sun8i_codec_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(sun8i_codec_dapm_widgets),
+	.dapm_routes		= sun8i_codec_dapm_routes,
+	.num_dapm_routes	= ARRAY_SIZE(sun8i_codec_dapm_routes),
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
+};
+
+static const struct regmap_config sun8i_codec_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= SUN8I_DAC_MXR_SRC,
+
+	.cache_type	= REGCACHE_FLAT,
+};
+
+static int sun8i_codec_probe(struct platform_device *pdev)
+{
+	struct resource *res_base;
+	struct sun8i_codec *scodec;
+	void __iomem *base;
+	int ret;
+
+	scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
+	if (!scodec)
+		return -ENOMEM;
+
+	scodec->dev = &pdev->dev;
+
+	scodec->clk_module = devm_clk_get(&pdev->dev, "mod");
+	if (IS_ERR(scodec->clk_module)) {
+		dev_err(&pdev->dev, "Failed to get the module clock\n");
+		return PTR_ERR(scodec->clk_module);
+	}
+
+	scodec->clk_bus = devm_clk_get(&pdev->dev, "bus");
+	if (IS_ERR(scodec->clk_bus)) {
+		dev_err(&pdev->dev, "Failed to get the bus clock\n");
+		return PTR_ERR(scodec->clk_bus);
+	}
+
+	res_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	base = devm_ioremap_resource(&pdev->dev, res_base);
+	if (IS_ERR(base)) {
+		dev_err(&pdev->dev, "Failed to map the registers\n");
+		return PTR_ERR(base);
+	}
+
+	scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
+					       &sun8i_codec_regmap_config);
+	if (IS_ERR(scodec->regmap)) {
+		dev_err(&pdev->dev, "Failed to create our regmap\n");
+		return PTR_ERR(scodec->regmap);
+	}
+
+	platform_set_drvdata(pdev, scodec);
+
+	pm_runtime_enable(&pdev->dev);
+	if (!pm_runtime_enabled(&pdev->dev)) {
+		ret = sun8i_codec_runtime_resume(&pdev->dev);
+		if (ret)
+			goto err_pm_disable;
+	}
+
+	ret = devm_snd_soc_register_component(&pdev->dev, &sun8i_soc_component,
+				     &sun8i_codec_dai, 1);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register codec\n");
+		goto err_suspend;
+	}
+
+	return ret;
+
+err_suspend:
+	if (!pm_runtime_status_suspended(&pdev->dev))
+		sun8i_codec_runtime_suspend(&pdev->dev);
+
+err_pm_disable:
+	pm_runtime_disable(&pdev->dev);
+
+	return ret;
+}
+
+static int sun8i_codec_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+	if (!pm_runtime_status_suspended(&pdev->dev))
+		sun8i_codec_runtime_suspend(&pdev->dev);
+
+	return 0;
+}
+
+static const struct of_device_id sun8i_codec_of_match[] = {
+	{ .compatible = "allwinner,sun8i-a33-codec" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, sun8i_codec_of_match);
+
+static const struct dev_pm_ops sun8i_codec_pm_ops = {
+	SET_RUNTIME_PM_OPS(sun8i_codec_runtime_suspend,
+			   sun8i_codec_runtime_resume, NULL)
+};
+
+static struct platform_driver sun8i_codec_driver = {
+	.driver = {
+		.name = "sun8i-codec",
+		.of_match_table = sun8i_codec_of_match,
+		.pm = &sun8i_codec_pm_ops,
+	},
+	.probe = sun8i_codec_probe,
+	.remove = sun8i_codec_remove,
+};
+module_platform_driver(sun8i_codec_driver);
+
+MODULE_DESCRIPTION("Allwinner A33 (sun8i) codec driver");
+MODULE_AUTHOR("Mylène Josserand <mylene.josserand@free-electrons.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:sun8i-codec");