Add support for the ES8328 audio codec.
---
sound/soc/codecs/Kconfig | 4 +
sound/soc/codecs/Makefile | 2 +
sound/soc/codecs/es8328.c | 611 ++++++++++++++++++++++++++++++++++++++++++++++
sound/soc/codecs/es8328.h | 240 ++++++++++++++++++
4 files changed, 857 insertions(+)
create mode 100644 sound/soc/codecs/es8328.c
create mode 100644 sound/soc/codecs/es8328.h
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 983d087a..2b0a821 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -43,6 +43,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_DA732X if I2C
select SND_SOC_DA9055 if I2C
select SND_SOC_BT_SCO
+ select SND_SOC_ES8328 if I2C
select SND_SOC_ISABELLE if I2C
select SND_SOC_JZ4740_CODEC
select SND_SOC_LM4857 if I2C
@@ -283,6 +284,9 @@ config SND_SOC_BT_SCO
config SND_SOC_DMIC
tristate
+config SND_SOC_ES8328
+ tristate
+
config SND_SOC_ISABELLE
tristate
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index bc12676..1b62c93 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -30,6 +30,7 @@ snd-soc-da732x-objs := da732x.o
snd-soc-da9055-objs := da9055.o
snd-soc-bt-sco-objs := bt-sco.o
snd-soc-dmic-objs := dmic.o
+snd-soc-es8328-objs := es8328.o
snd-soc-isabelle-objs := isabelle.o
snd-soc-jz4740-codec-objs := jz4740.o
snd-soc-l3-objs := l3.o
@@ -163,6 +164,7 @@ obj-$(CONFIG_SND_SOC_DA732X) += snd-soc-da732x.o
obj-$(CONFIG_SND_SOC_DA9055) += snd-soc-da9055.o
obj-$(CONFIG_SND_SOC_BT_SCO) += snd-soc-bt-sco.o
obj-$(CONFIG_SND_SOC_DMIC) += snd-soc-dmic.o
+obj-$(CONFIG_SND_SOC_ES8328) += snd-soc-es8328.o
obj-$(CONFIG_SND_SOC_ISABELLE) += snd-soc-isabelle.o
obj-$(CONFIG_SND_SOC_JZ4740_CODEC) += snd-soc-jz4740-codec.o
obj-$(CONFIG_SND_SOC_L3) += snd-soc-l3.o
diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c
new file mode 100644
index 0000000..db118f4
--- /dev/null
+++ b/sound/soc/codecs/es8328.c
@@ -0,0 +1,611 @@
+/*
+ * es8328.c -- ES8328 ALSA SoC Audio driver
+ *
+ * Copyright 2014 Sutajio Ko-Usagi PTE LTD
+ *
+ * Author: Sean Cross <xobs@xxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+#include <linux/slab.h>
+#include <linux/of_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include "es8328.h"
+
+/* Run the codec at 22.5792 MHz to support these rates */
+enum es8328_rate {
+ ES8328_RATE_8019,
+ ES8328_RATE_11025,
+ ES8328_RATE_22050,
+ ES8328_RATE_44100,
+};
+
+uint8_t sample_ratios[] = {
+ [ES8328_RATE_8019 ] = 0x9,
+ [ES8328_RATE_11025] = 0x7,
+ [ES8328_RATE_22050] = 0x4,
+ [ES8328_RATE_44100] = 0x2,
+};
+
+#define ES8328_RATES (SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_22050 | \
+ SNDRV_PCM_RATE_11025)
+#define ES8328_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
+
+/* codec private data */
+struct es8328_priv {
+ struct regmap *regmap;
+ int sysclk;
+};
+
+static const DECLARE_TLV_DB_SCALE(play_tlv, -3000, 100, 0);
+static const DECLARE_TLV_DB_SCALE(cap_tlv, -9600, 50, 0);
+static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 300, 0);
+
+static const struct snd_kcontrol_new es8328_snd_controls[] = {
+SOC_DOUBLE_R_TLV("Speaker Playback Volume",
+ ES8328_DACCONTROL26, ES8328_DACCONTROL27, 0, 0x24, 0, play_tlv),
+SOC_DOUBLE_R_TLV("Headphone Playback Volume",
+ ES8328_DACCONTROL24, ES8328_DACCONTROL25, 0, 0x24, 0, play_tlv),
+
+SOC_DOUBLE_R_TLV("Mic Capture Volume",
+ ES8328_ADCCONTROL8, ES8328_ADCCONTROL9, 0, 0xc0, 1, cap_tlv),
+SOC_DOUBLE_TLV("Mic PGA Volume",
+ ES8328_ADCCONTROL1, 4, 0, 0x08, 0, pga_tlv),
+};
+
+/*
+ * DAPM controls.
+ */
+static const struct snd_soc_dapm_widget es8328_dapm_widgets[] = {
+ SND_SOC_DAPM_DAC("Speaker Volume", "HiFi Playback", SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_OUTPUT("VOUTL"),
+ SND_SOC_DAPM_OUTPUT("VOUTR"),
+ SND_SOC_DAPM_INPUT("LINE_IN"),
+ SND_SOC_DAPM_INPUT("MIC_IN"),
+ SND_SOC_DAPM_OUTPUT("HP_OUT"),
+ SND_SOC_DAPM_OUTPUT("SPK_OUT"),
+};
+
+
+static const struct snd_soc_dapm_route es8328_intercon[] = {
+ {"VOUTL", NULL, "DAC"},
+ {"VOUTR", NULL, "DAC"},
+};
+
+static int es8328_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u16 mute_reg = snd_soc_read(codec, ES8328_DACCONTROL3);
+
+ if (mute)
+ mute_reg |= ES8328_DACCONTROL3_DACMUTE;
+ else
+ mute_reg &= ~ES8328_DACCONTROL3_DACMUTE;
+ return snd_soc_write(codec, ES8328_DACCONTROL3, mute_reg);
+}
+
+static int es8328_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ u8 dac = snd_soc_read(codec, ES8328_DACCONTROL2);
+ dac &= ~ES8328_DACCONTROL2_RATEMASK;
+
+ switch (params_rate(params)) {
+ case 8000:
+ dac |= sample_ratios[ES8328_RATE_8019];
+ break;
+ case 11025:
+ dac |= sample_ratios[ES8328_RATE_11025];
+ break;
+ case 22050:
+ dac |= sample_ratios[ES8328_RATE_22050];
+ break;
+ case 44100:
+ dac |= sample_ratios[ES8328_RATE_44100];
+ break;
+ default:
+ dev_err(codec->dev, "%s: unknown rate %d\n",
+ __func__, params_rate(params));
+ return -EINVAL;
+ }
+ snd_soc_write(codec, ES8328_DACCONTROL2, dac);
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+ u8 adc = snd_soc_read(codec, ES8328_ADCCONTROL5);
+ adc &= ~ES8328_ADCCONTROL5_RATEMASK;
+
+ switch (params_rate(params)) {
+ case 8000:
+ adc |= sample_ratios[ES8328_RATE_8019];
+ break;
+ case 11025:
+ adc |= sample_ratios[ES8328_RATE_11025];
+ break;
+ case 22050:
+ adc |= sample_ratios[ES8328_RATE_22050];
+ break;
+ case 44100:
+ adc |= sample_ratios[ES8328_RATE_44100];
+ break;
+ default:
+ dev_err(codec->dev, "%s: unknown rate %d\n",
+ __func__, params_rate(params));
+ return -EINVAL;
+ }
+ snd_soc_write(codec, ES8328_ADCCONTROL5, adc);
+ }
+
+ return 0;
+}
+
+static int es8328_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_I2S)
+ return -EINVAL;
+
+ if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBM_CFM)
+ return -EINVAL;
+
+ if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int es8328_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct es8328_priv *es8328 = snd_soc_codec_get_drvdata(codec);
+
+ switch (clk_id) {
+ case 0:
+ es8328->sysclk = freq;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int es8328_adc_enable(struct snd_soc_codec *codec)
+{
+ u16 reg = snd_soc_read(codec, ES8328_CHIPPOWER);
+ reg &= ~(ES8328_CHIPPOWER_ADCVREF_OFF |
+ ES8328_CHIPPOWER_ADCPLL_OFF |
+ ES8328_CHIPPOWER_ADCSTM_RESET |
+ ES8328_CHIPPOWER_ADCDIG_OFF);
+ snd_soc_write(codec, ES8328_CHIPPOWER, reg);
+
+ /* Set up microphone to be differential input */
+ snd_soc_write(codec, ES8328_ADCCONTROL2, 0xf0);
+
+ /* Set ADC to act as I2S master */
+ snd_soc_write(codec, ES8328_ADCCONTROL3, 0x02);
+
+ /* Set I2S to 16-bit mode */
+ snd_soc_write(codec, ES8328_ADCCONTROL4, 0x18);
+
+ /* Frequency clock of 272 */
+ snd_soc_write(codec, ES8328_ADCCONTROL5, 0x02);
+
+ return 0;
+}
+
+static int es8328_dac_enable(struct snd_soc_codec *codec)
+{
+ u16 old_volumes[4];
+ u16 reg;
+ int i;
+
+ for (i = 0; i < 4; i++) {
+ old_volumes[i] = snd_soc_read(codec, i + ES8328_DACCONTROL24);
+ snd_soc_write(codec, i + ES8328_DACCONTROL24, 0);
+ }
+
+ /* Power up LOUT2 ROUT2, and power down xOUT1 */
+ snd_soc_write(codec, ES8328_DACPOWER,
+ ES8328_DACPOWER_ROUT2_ON |
+ ES8328_DACPOWER_LOUT2_ON);
+
+ /* Enable click-free power up */
+ snd_soc_write(codec, ES8328_DACCONTROL6, ES8328_DACCONTROL6_CLICKFREE);
+ snd_soc_write(codec, ES8328_DACCONTROL3, 0x36);
+
+ /* Set I2S to 16-bit mode */
+ snd_soc_write(codec, ES8328_DACCONTROL1, ES8328_DACCONTROL1_DACWL_16);
+
+ /* No attenuation */
+ snd_soc_write(codec, ES8328_DACCONTROL4, 0x00);
+ snd_soc_write(codec, ES8328_DACCONTROL5, 0x00);
+
+ /* Set LIN2 for the output mixer */
+ snd_soc_write(codec, ES8328_DACCONTROL16,
+ ES8328_DACCONTROL16_RMIXSEL_RIN2 |
+ ES8328_DACCONTROL16_LMIXSEL_LIN2);
+
+ /* Point the left DAC at the left mixer */
+ snd_soc_write(codec, ES8328_DACCONTROL17, ES8328_DACCONTROL17_LD2LO);
+ /* Point the right DAC at the right mixer */
+ snd_soc_write(codec, ES8328_DACCONTROL20, ES8328_DACCONTROL20_RD2RO);
+
+ /* Disable all other outputs */
+ snd_soc_write(codec, ES8328_DACCONTROL18, 0x00);
+ snd_soc_write(codec, ES8328_DACCONTROL19, 0x00);
+
+
+ /* Disable mono mode for DACL, and mute DACR */
+ snd_soc_write(codec, ES8328_DACCONTROL7, 0x00);
+
+ for (i = 0; i < 4; i++)
+ snd_soc_write(codec, i + ES8328_DACCONTROL24, old_volumes[i]);
+
+ reg = snd_soc_read(codec, ES8328_CHIPPOWER);
+ reg &= ~(ES8328_CHIPPOWER_DACVREF_OFF |
+ ES8328_CHIPPOWER_DACPLL_OFF |
+ ES8328_CHIPPOWER_DACSTM_RESET |
+ ES8328_CHIPPOWER_DACDIG_OFF);
+ snd_soc_write(codec, ES8328_CHIPPOWER, reg);
+ snd_soc_write(codec, ES8328_DACCONTROL3, 0x32);
+
+ return 0;
+}
+
+static int es8328_pcm_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ es8328_dac_enable(codec);
+
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ es8328_adc_enable(codec);
+
+ return 0;
+}
+
+static void es8328_pcm_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u16 reg;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ /* Mute DAC */
+ snd_soc_write(codec, ES8328_DACCONTROL3,
+ ES8328_DACCONTROL3_DACZEROCROSS |
+ ES8328_DACCONTROL3_DACSOFTRAMP |
+ ES8328_DACCONTROL3_DACMUTE);
+
+ /* Power down DAC and disable LOUT/ROUT */
+ snd_soc_write(codec, ES8328_DACPOWER,
+ ES8328_DACPOWER_LDAC_OFF |
+ ES8328_DACPOWER_RDAC_OFF);
+
+ /* Power down DEM and STM */
+ reg = snd_soc_read(codec, ES8328_CHIPPOWER);
+ reg |= (ES8328_CHIPPOWER_DACVREF_OFF |
+ ES8328_CHIPPOWER_DACPLL_OFF |
+ ES8328_CHIPPOWER_DACDIG_OFF);
+ snd_soc_write(codec, ES8328_CHIPPOWER, reg);
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+ /* Mute ADC */
+ snd_soc_write(codec, ES8328_ADCCONTROL7,
+ ES8328_ADCCONTROL7_ADC_LER |
+ ES8328_ADCCONTROL7_ADC_ZERO_CROSS |
+ ES8328_ADCCONTROL7_ADC_SOFT_RAMP);
+
+ /* Power down ADC */
+ snd_soc_write(codec, ES8328_ADCPOWER,
+ ES8328_ADCPOWER_ADC_BIAS_GEN_OFF |
+ ES8328_ADCPOWER_MIC_BIAS_OFF |
+ ES8328_ADCPOWER_ADCR_OFF |
+ ES8328_ADCPOWER_ADCL_OFF |
+ ES8328_ADCPOWER_AINR_OFF |
+ ES8328_ADCPOWER_AINL_OFF);
+
+ /* Power down DEM and STM */
+ reg = snd_soc_read(codec, ES8328_CHIPPOWER);
+ reg |= (ES8328_CHIPPOWER_ADCVREF_OFF |
+ ES8328_CHIPPOWER_ADCPLL_OFF |
+ ES8328_CHIPPOWER_ADCDIG_OFF);
+ snd_soc_write(codec, ES8328_CHIPPOWER, reg);
+ }
+
+ return;
+}
+
+static int es8328_init(struct snd_soc_codec *codec)
+{
+ /* Master serial port mode */
+ snd_soc_write(codec, ES8328_MASTERMODE,
+ ES8328_MASTERMODE_MCLKDIV2 |
+ ES8328_MASTERMODE_MSC);
+
+ /* Power everything down and reset the cip */
+ snd_soc_write(codec, ES8328_CHIPPOWER,
+ ES8328_CHIPPOWER_DACSTM_RESET |
+ ES8328_CHIPPOWER_ADCSTM_RESET |
+ ES8328_CHIPPOWER_DACDIG_OFF |
+ ES8328_CHIPPOWER_ADCDIG_OFF |
+ ES8328_CHIPPOWER_DACVREF_OFF |
+ ES8328_CHIPPOWER_ADCVREF_OFF);
+
+ /* Power up. Set ADC and DAC to use different frequency ratios */
+ snd_soc_write(codec, ES8328_CONTROL1,
+ ES8328_CONTROL1_VMIDSEL_50k |
+ ES8328_CONTROL1_ENREF);
+
+ /* Power up more blocks */
+ snd_soc_write(codec, ES8328_CONTROL2,
+ ES8328_CONTROL2_OVERCURRENT_ON |
+ ES8328_CONTROL2_THERMAL_SHUTDOWN_ON);
+
+
+ /* Power on the chip (but leave VRET off) */
+ /*
+ snd_soc_write(codec, ES8328_CHIPPOWER,
+ ES8328_CHIPPOWER_DACVREF_OFF |
+ ES8328_CHIPPOWER_ADCVREF_OFF);
+ */
+
+
+ /* Enable muting, and turn on zerocross */
+ snd_soc_write(codec, ES8328_DACCONTROL3,
+ ES8328_DACCONTROL3_DACZEROCROSS |
+ ES8328_DACCONTROL3_DACSOFTRAMP |
+ ES8328_DACCONTROL3_DACMUTE);
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops es8328_dai_ops = {
+ .hw_params = es8328_hw_params,
+ .prepare = es8328_pcm_prepare,
+ .shutdown = es8328_pcm_shutdown,
+// .digital_mute = es8328_mute,
+ .set_fmt = es8328_set_dai_fmt,
+ .set_sysclk = es8328_set_dai_sysclk,
+};
+
+static struct snd_soc_dai_driver es8328_dai = {
+ .name = "es8328-hifi-analog",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = ES8328_RATES,
+ .formats = ES8328_FORMATS,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = ES8328_RATES,
+ .formats = ES8328_FORMATS,
+ },
+ .ops = &es8328_dai_ops,
+};
+
+static int es8328_suspend(struct snd_soc_codec *codec)
+{
+ return 0;
+}
+
+static int es8328_resume(struct snd_soc_codec *codec)
+{
+ es8328_init(codec);
+ return 0;
+}
+
+static int es8328_probe(struct snd_soc_codec *codec)
+{
+ int ret;
+ struct device *dev = codec->dev;
+
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
+ if (ret < 0) {
+ dev_err(dev, "failed to configure cache I/O: %d\n", ret);
+ return ret;
+ }
+
+ /* power on device */
+ es8328_init(codec);
+
+ return 0;
+}
+
+static int es8328_remove(struct snd_soc_codec *codec)
+{
+ /* Power everything down and reset the cip */
+ snd_soc_write(codec, ES8328_CHIPPOWER,
+ ES8328_CHIPPOWER_DACSTM_RESET |
+ ES8328_CHIPPOWER_ADCSTM_RESET |
+ ES8328_CHIPPOWER_DACDIG_OFF |
+ ES8328_CHIPPOWER_ADCDIG_OFF |
+ ES8328_CHIPPOWER_DACVREF_OFF |
+ ES8328_CHIPPOWER_ADCVREF_OFF);
+
+ return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_es8328 = {
+ .probe = es8328_probe,
+ .remove = es8328_remove,
+ .suspend = es8328_suspend,
+ .resume = es8328_resume,
+ .controls = es8328_snd_controls,
+ .num_controls = ARRAY_SIZE(es8328_snd_controls),
+ .dapm_widgets = es8328_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(es8328_dapm_widgets),
+ .dapm_routes = es8328_intercon,
+ .num_dapm_routes = ARRAY_SIZE(es8328_intercon),
+};
+
+static const struct of_device_id es8328_of_match[] = {
+ { .compatible = "everest,es8328", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, es8328_of_match);
+
+static const struct regmap_config es8328_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = ES8328_REG_MAX,
+
+ .cache_type = REGCACHE_NONE,
+};
+
+#if defined(CONFIG_SPI_MASTER)
+static int es8328_spi_probe(struct spi_device *spi)
+{
+ struct es8328_priv *es8328;
+ int ret;
+
+ es8328 = devm_kzalloc(&spi->dev, sizeof(struct es8328_priv),
+ GFP_KERNEL);
+ if (es8328 == NULL)
+ return -ENOMEM;
+
+ es8328->regmap = devm_regmap_init_spi(spi, &es8328_regmap);
+ if (IS_ERR(es8328->regmap))
+ return PTR_ERR(es8328->regmap);
+
+ spi_set_drvdata(spi, es8328);
+
+ ret = snd_soc_register_codec(&spi->dev,
+ &soc_codec_dev_es8328, &es8328_dai, 1);
+ if (ret < 0)
+ dev_err(&spi->dev, "unable to register codec: %d\n", ret);
+
+ return ret;
+}
+
+static int es8328_spi_remove(struct spi_device *spi)
+{
+ snd_soc_unregister_codec(&spi->dev);
+
+ return 0;
+}
+
+static struct spi_driver es8328_spi_driver = {
+ .driver = {
+ .name = "es8328",
+ .owner = THIS_MODULE,
+ .of_match_table = es8328_of_match,
+ },
+ .probe = es8328_spi_probe,
+ .remove = es8328_spi_remove,
+};
+#endif /* CONFIG_SPI_MASTER */
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static int es8328_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct es8328_priv *es8328;
+ int ret;
+
+ es8328 = devm_kzalloc(&i2c->dev, sizeof(struct es8328_priv),
+ GFP_KERNEL);
+ if (es8328 == NULL)
+ return -ENOMEM;
+
+ es8328->regmap = devm_regmap_init_i2c(i2c, &es8328_regmap);
+ if (IS_ERR(es8328->regmap))
+ return PTR_ERR(es8328->regmap);
+
+ i2c_set_clientdata(i2c, es8328);
+
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_es8328, &es8328_dai, 1);
+
+ return ret;
+}
+
+static int es8328_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ return 0;
+}
+
+static const struct i2c_device_id es8328_i2c_id[] = {
+ { "es8328", 0x11 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, es8328_i2c_id);
+
+static struct i2c_driver es8328_i2c_driver = {
+ .driver = {
+ .name = "es8328-codec",
+ .owner = THIS_MODULE,
+ .of_match_table = es8328_of_match,
+ },
+ .probe = es8328_i2c_probe,
+ .remove = es8328_i2c_remove,
+ .id_table = es8328_i2c_id,
+};
+#endif
+
+static int __init es8328_modinit(void)
+{
+ int ret = 0;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ ret = i2c_add_driver(&es8328_i2c_driver);
+ if (ret != 0) {
+ pr_err("failed to register es8328 I2C driver: %d\n", ret);
+ }
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ ret = spi_register_driver(&es8328_spi_driver);
+ if (ret != 0) {
+ pr_err("Failed to register es8328 SPI driver: %d\n", ret);
+ }
+#endif
+ return ret;
+}
+module_init(es8328_modinit);
+
+static void __exit es8328_exit(void)
+{
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_del_driver(&es8328_i2c_driver);
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&es8328_spi_driver);
+#endif
+}
+module_exit(es8328_exit);
+
+MODULE_DESCRIPTION("ASoC ES8328 driver");
+MODULE_AUTHOR("Sean Cross <xobs@xxxxxxxxxx>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/es8328.h b/sound/soc/codecs/es8328.h
new file mode 100644
index 0000000..234a6cb
--- /dev/null
+++ b/sound/soc/codecs/es8328.h
@@ -0,0 +1,240 @@
+/*
+ * es8328.h -- ES8328 ALSA SoC Audio driver
+ */
+
+#ifndef _ES8328_H
+#define _ES8328_H
+
+#define ES8328_DACLVOL 46
+#define ES8328_DACRVOL 47
+#define ES8328_DACCTL 28
+
+#define ES8328_CONTROL1 0x00
+#define ES8328_CONTROL1_VMIDSEL_OFF (0 << 0)
+#define ES8328_CONTROL1_VMIDSEL_50k (1 << 0)
+#define ES8328_CONTROL1_VMIDSEL_500k (2 << 0)
+#define ES8328_CONTROL1_VMIDSEL_5k (3 << 0)
+#define ES8328_CONTROL1_ENREF (1 << 2)
+#define ES8328_CONTROL1_SEQEN (1 << 3)
+#define ES8328_CONTROL1_SAMEFS (1 << 4)
+#define ES8328_CONTROL1_DACMCLK_ADC (0 << 5)
+#define ES8328_CONTROL1_DACMCLK_DAC (1 << 5)
+#define ES8328_CONTROL1_LRCM (1 << 6)
+#define ES8328_CONTROL1_SCP_RESET (1 << 7)
+
+#define ES8328_CONTROL2 0x01
+#define ES8328_CONTROL2_VREF_BUF_OFF (1 << 0)
+#define ES8328_CONTROL2_VREF_LOWPOWER (1 << 1)
+#define ES8328_CONTROL2_IBIASGEN_OFF (1 << 2)
+#define ES8328_CONTROL2_ANALOG_OFF (1 << 3)
+#define ES8328_CONTROL2_VREF_BUF_LOWPOWER (1 << 4)
+#define ES8328_CONTROL2_VCM_MOD_LOWPOWER (1 << 5)
+#define ES8328_CONTROL2_OVERCURRENT_ON (1 << 6)
+#define ES8328_CONTROL2_THERMAL_SHUTDOWN_ON (1 << 7)
+
+#define ES8328_CHIPPOWER 0x02
+#define ES8328_CHIPPOWER_DACVREF_OFF (1 << 0)
+#define ES8328_CHIPPOWER_ADCVREF_OFF (1 << 1)
+#define ES8328_CHIPPOWER_DACPLL_OFF (1 << 2)
+#define ES8328_CHIPPOWER_ADCPLL_OFF (1 << 3)
+#define ES8328_CHIPPOWER_DACSTM_RESET (1 << 4)
+#define ES8328_CHIPPOWER_ADCSTM_RESET (1 << 5)
+#define ES8328_CHIPPOWER_DACDIG_OFF (1 << 6)
+#define ES8328_CHIPPOWER_ADCDIG_OFF (1 << 7)
+
+#define ES8328_ADCPOWER 0x03
+#define ES8328_ADCPOWER_INT1_LOWPOWER (1 << 0)
+#define ES8328_ADCPOWER_FLASH_ADC_LOWPOWER (1 << 1)
+#define ES8328_ADCPOWER_ADC_BIAS_GEN_OFF (1 << 2)
+#define ES8328_ADCPOWER_MIC_BIAS_OFF (1 << 3)
+#define ES8328_ADCPOWER_ADCR_OFF (1 << 4)
+#define ES8328_ADCPOWER_ADCL_OFF (1 << 5)
+#define ES8328_ADCPOWER_AINR_OFF (1 << 6)
+#define ES8328_ADCPOWER_AINL_OFF (1 << 7)
+
+#define ES8328_DACPOWER 0x04
+#define ES8328_DACPOWER_OUT3_ON (1 << 0)
+#define ES8328_DACPOWER_MONO_ON (1 << 1)
+#define ES8328_DACPOWER_ROUT2_ON (1 << 2)
+#define ES8328_DACPOWER_LOUT2_ON (1 << 3)
+#define ES8328_DACPOWER_ROUT1_ON (1 << 4)
+#define ES8328_DACPOWER_LOUT1_ON (1 << 5)
+#define ES8328_DACPOWER_RDAC_OFF (1 << 6)
+#define ES8328_DACPOWER_LDAC_OFF (1 << 7)
+
+#define ES8328_CHIPLOPOW1 0x05
+#define ES8328_CHIPLOPOW2 0x06
+#define ES8328_ANAVOLMANAG 0x07
+
+#define ES8328_MASTERMODE 0x08
+#define ES8328_MASTERMODE_BCLKDIV (0 << 0)
+#define ES8328_MASTERMODE_BCLK_INV (1 << 5)
+#define ES8328_MASTERMODE_MCLKDIV2 (1 << 6)
+#define ES8328_MASTERMODE_MSC (1 << 7)
+
+#define ES8328_ADCCONTROL1 0x09
+#define ES8328_ADCCONTROL2 0x0a
+#define ES8328_ADCCONTROL3 0x0b
+#define ES8328_ADCCONTROL4 0x0c
+#define ES8328_ADCCONTROL5 0x0d
+#define ES8328_ADCCONTROL5_RATEMASK (0x1f << 0)
+
+#define ES8328_ADCCONTROL6 0x0e
+
+#define ES8328_ADCCONTROL7 0x0f
+#define ES8328_ADCCONTROL7_ADC_MUTE (1 << 2)
+#define ES8328_ADCCONTROL7_ADC_LER (1 << 3)
+#define ES8328_ADCCONTROL7_ADC_ZERO_CROSS (1 << 4)
+#define ES8328_ADCCONTROL7_ADC_SOFT_RAMP (1 << 5)
+#define ES8328_ADCCONTROL7_ADC_RAMP_RATE_4 (0 << 6)
+#define ES8328_ADCCONTROL7_ADC_RAMP_RATE_8 (1 << 6)
+#define ES8328_ADCCONTROL7_ADC_RAMP_RATE_16 (2 << 6)
+#define ES8328_ADCCONTROL7_ADC_RAMP_RATE_32 (3 << 6)
+
+#define ES8328_ADCCONTROL8 0x10
+#define ES8328_ADCCONTROL9 0x11
+#define ES8328_ADCCONTROL10 0x12
+#define ES8328_ADCCONTROL11 0x13
+#define ES8328_ADCCONTROL12 0x14
+#define ES8328_ADCCONTROL13 0x15
+#define ES8328_ADCCONTROL14 0x16
+
+#define ES8328_DACCONTROL1 0x17
+#define ES8328_DACCONTROL1_DACFORMAT_I2S (0 << 1)
+#define ES8328_DACCONTROL1_DACFORMAT_LJUST (1 << 1)
+#define ES8328_DACCONTROL1_DACFORMAT_RJUST (2 << 1)
+#define ES8328_DACCONTROL1_DACFORMAT_PCM (3 << 1)
+#define ES8328_DACCONTROL1_DACWL_24 (0 << 3)
+#define ES8328_DACCONTROL1_DACWL_20 (1 << 3)
+#define ES8328_DACCONTROL1_DACWL_18 (2 << 3)
+#define ES8328_DACCONTROL1_DACWL_16 (3 << 3)
+#define ES8328_DACCONTROL1_DACWL_32 (4 << 3)
+#define ES8328_DACCONTROL1_DACLRP_I2S_POL_NORMAL (0 << 6)
+#define ES8328_DACCONTROL1_DACLRP_I2S_POL_INV (1 << 6)
+#define ES8328_DACCONTROL1_DACLRP_PCM_MSB_CLK2 (0 << 6)
+#define ES8328_DACCONTROL1_DACLRP_PCM_MSB_CLK1 (0 << 6)
+#define ES8328_DACCONTROL1_LRSWAP (1 << 7)
+
+#define ES8328_DACCONTROL2 0x18
+#define ES8328_DACCONTROL2_RATEMASK (0x1f << 0)
+
+#define ES8328_DACCONTROL3 0x19
+#define ES8328_DACCONTROL3_AUTOMUTE (1 << 2)
+#define ES8328_DACCONTROL3_DACMUTE (1 << 2)
+#define ES8328_DACCONTROL3_LEFTGAINVOL (1 << 3)
+#define ES8328_DACCONTROL3_DACZEROCROSS (1 << 4)
+#define ES8328_DACCONTROL3_DACSOFTRAMP (1 << 5)
+#define ES8328_DACCONTROL3_DACRAMPRATE (3 << 6)
+
+#define ES8328_DACCONTROL4 0x1a
+#define ES8328_DACCONTROL5 0x1b
+
+#define ES8328_DACCONTROL6 0x1c
+#define ES8328_DACCONTROL6_CLICKFREE (1 << 3)
+#define ES8328_DACCONTROL6_DAC_INVR (1 << 4)
+#define ES8328_DACCONTROL6_DAC_INVL (1 << 5)
+#define ES8328_DACCONTROL6_DEEMPH_OFF (0 << 6)
+#define ES8328_DACCONTROL6_DEEMPH_32k (1 << 6)
+#define ES8328_DACCONTROL6_DEEMPH_44_1k (2 << 6)
+#define ES8328_DACCONTROL6_DEEMPH_48k (3 << 6)
+
+#define ES8328_DACCONTROL7 0x1d
+#define ES8328_DACCONTROL8 0x1e
+#define ES8328_DACCONTROL9 0x1f
+#define ES8328_DACCONTROL10 0x20
+#define ES8328_DACCONTROL11 0x21
+#define ES8328_DACCONTROL12 0x22
+#define ES8328_DACCONTROL13 0x23
+#define ES8328_DACCONTROL14 0x24
+#define ES8328_DACCONTROL15 0x25
+
+#define ES8328_DACCONTROL16 0x26
+#define ES8328_DACCONTROL16_RMIXSEL_RIN1 (0 << 0)
+#define ES8328_DACCONTROL16_RMIXSEL_RIN2 (1 << 0)
+#define ES8328_DACCONTROL16_RMIXSEL_RIN3 (2 << 0)
+#define ES8328_DACCONTROL16_RMIXSEL_RADC (3 << 0)
+#define ES8328_DACCONTROL16_LMIXSEL_LIN1 (0 << 3)
+#define ES8328_DACCONTROL16_LMIXSEL_LIN2 (1 << 3)
+#define ES8328_DACCONTROL16_LMIXSEL_LIN3 (2 << 3)
+#define ES8328_DACCONTROL16_LMIXSEL_LADC (3 << 3)
+
+#define ES8328_DACCONTROL17 0x27
+#define ES8328_DACCONTROL17_LI2LOVOL (7 << 3)
+#define ES8328_DACCONTROL17_LI2LO (1 << 6)
+#define ES8328_DACCONTROL17_LD2LO (1 << 7)
+
+#define ES8328_DACCONTROL18 0x28
+#define ES8328_DACCONTROL18_RI2LOVOL (7 << 3)
+#define ES8328_DACCONTROL18_RI2LO (1 << 6)
+#define ES8328_DACCONTROL18_RD2LO (1 << 7)
+
+#define ES8328_DACCONTROL19 0x29
+#define ES8328_DACCONTROL19_LI2ROVOL (7 << 3)
+#define ES8328_DACCONTROL19_LI2RO (1 << 6)
+#define ES8328_DACCONTROL19_LD2RO (1 << 7)
+
+#define ES8328_DACCONTROL20 0x2a
+#define ES8328_DACCONTROL20_RI2ROVOL (7 << 3)
+#define ES8328_DACCONTROL20_RI2RO (1 << 6)
+#define ES8328_DACCONTROL20_RD2RO (1 << 7)
+
+#define ES8328_DACCONTROL21 0x2b
+#define ES8328_DACCONTROL22 0x2c
+#define ES8328_DACCONTROL23 0x2d
+#define ES8328_DACCONTROL24 0x2e
+#define ES8328_DACCONTROL25 0x2f
+#define ES8328_DACCONTROL26 0x30
+#define ES8328_DACCONTROL27 0x31
+#define ES8328_DACCONTROL28 0x32
+#define ES8328_DACCONTROL29 0x33
+#define ES8328_DACCONTROL30 0x34
+#define ES8328_SYSCLK 0
+
+#define ES8328_REG_MAX 0x35
+
+#define ES8328_PLL1 0
+#define ES8328_PLL2 1
+
+/* clock inputs */
+#define ES8328_MCLK 0
+#define ES8328_PCMCLK 1
+
+/* clock divider id's */
+#define ES8328_PCMDIV 0
+#define ES8328_BCLKDIV 1
+#define ES8328_VXCLKDIV 2
+
+/* PCM clock dividers */
+#define ES8328_PCM_DIV_1 (0 << 6)
+#define ES8328_PCM_DIV_3 (2 << 6)
+#define ES8328_PCM_DIV_5_5 (3 << 6)
+#define ES8328_PCM_DIV_2 (4 << 6)
+#define ES8328_PCM_DIV_4 (5 << 6)
+#define ES8328_PCM_DIV_6 (6 << 6)
+#define ES8328_PCM_DIV_8 (7 << 6)
+
+/* BCLK clock dividers */
+#define ES8328_BCLK_DIV_1 (0 << 7)
+#define ES8328_BCLK_DIV_2 (1 << 7)
+#define ES8328_BCLK_DIV_4 (2 << 7)
+#define ES8328_BCLK_DIV_8 (3 << 7)
+
+/* VXCLK clock dividers */
+#define ES8328_VXCLK_DIV_1 (0 << 6)
+#define ES8328_VXCLK_DIV_2 (1 << 6)
+#define ES8328_VXCLK_DIV_4 (2 << 6)
+#define ES8328_VXCLK_DIV_8 (3 << 6)
+#define ES8328_VXCLK_DIV_16 (4 << 6)
+
+#define ES8328_DAI_HIFI 0
+#define ES8328_DAI_VOICE 1
+
+#define ES8328_1536FS 1536
+#define ES8328_1024FS 1024
+#define ES8328_768FS 768
+#define ES8328_512FS 512
+#define ES8328_384FS 384
+#define ES8328_256FS 256
+#define ES8328_128FS 128
+
+#endif
--
1.8.3.2
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