From: ZhengShunQian <[email protected]>

RK3036 SoC integrated with an Inno audio codec. This driver
config the base function of codec. And the dapm is still WIP.

Signed-off-by: ZhengShunQian <[email protected]>
---
 sound/soc/codecs/Kconfig       |   4 +
 sound/soc/codecs/Makefile      |   2 +
 sound/soc/codecs/inno_rk3036.c | 439 +++++++++++++++++++++++++++++++++++++++++
 sound/soc/codecs/inno_rk3036.h | 308 +++++++++++++++++++++++++++++
 4 files changed, 753 insertions(+)
 create mode 100644 sound/soc/codecs/inno_rk3036.c
 create mode 100644 sound/soc/codecs/inno_rk3036.h

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index cfdafc4..e3cd3e7 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -471,6 +471,10 @@ config SND_SOC_GTM601
 config SND_SOC_ICS43432
        tristate
 
+config SND_SOC_INNO_RK3036
+       tristate "Inno codec driver for RK3036 SoC"
+       depends on ARCH_ROCKCHIP
+
 config SND_SOC_ISABELLE
         tristate
 
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index f632fc4..2f6bc6c 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -60,6 +60,7 @@ snd-soc-es8328-i2c-objs := es8328-i2c.o
 snd-soc-es8328-spi-objs := es8328-spi.o
 snd-soc-gtm601-objs := gtm601.o
 snd-soc-ics43432-objs := ics43432.o
+snd-soc-inno-rk3036-objs := inno_rk3036.o
 snd-soc-isabelle-objs := isabelle.o
 snd-soc-jz4740-codec-objs := jz4740.o
 snd-soc-l3-objs := l3.o
@@ -255,6 +256,7 @@ obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o
 obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o
 obj-$(CONFIG_SND_SOC_GTM601)    += snd-soc-gtm601.o
 obj-$(CONFIG_SND_SOC_ICS43432) += snd-soc-ics43432.o
+obj-$(CONFIG_SND_SOC_INNO_RK3036)      += snd-soc-inno-rk3036.o
 obj-$(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/inno_rk3036.c b/sound/soc/codecs/inno_rk3036.c
new file mode 100644
index 0000000..e8e7356
--- /dev/null
+++ b/sound/soc/codecs/inno_rk3036.c
@@ -0,0 +1,439 @@
+/*
+ * Driver of Inno codec for rk3036 by Rockchip Inc.
+ *
+ * Author: Rockchip Inc.
+ * Author: Zheng ShunQian<[email protected]>
+ */
+
+#define DEBUG
+
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/clk.h>
+#include <linux/regmap.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/io.h>
+
+#include "inno_rk3036.h"
+
+struct rk3036_codec_priv {
+       void __iomem *base;
+       struct clk *pclk;
+       struct regmap *regmap;
+       struct device *dev;
+};
+
+static int rk3036_codec_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+                                      unsigned int fre, int dir)
+{
+       /* Nothing to be done here */
+       return 0;
+}
+
+static int rk3036_codec_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       unsigned int reg01_val = 0,  reg02_val = 0, reg03_val = 0;
+
+       dev_dbg(codec->dev, "rk3036_codec dai set fmt : %08x\n", fmt);
+
+       switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+       case SND_SOC_DAIFMT_CBS_CFS:
+               reg01_val |= INNO_REG_01_PINDIR_IN_SLAVE |
+                            INNO_REG_01_I2SMODE_SLAVE;
+               break;
+       case SND_SOC_DAIFMT_CBM_CFM:
+               reg01_val |= INNO_REG_01_PINDIR_OUT_MASTER |
+                            INNO_REG_01_I2SMODE_MASTER;
+               break;
+       default:
+               dev_err(codec->dev, "invalid fmt\n");
+               return -EINVAL;
+       }
+
+       switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+       case SND_SOC_DAIFMT_DSP_A:
+               reg02_val |= INNO_REG_02_DACM_PCM;
+               break;
+       case SND_SOC_DAIFMT_I2S:
+               reg02_val |= INNO_REG_02_DACM_I2S;
+               break;
+       case SND_SOC_DAIFMT_RIGHT_J:
+               reg02_val |= INNO_REG_02_DACM_RJM;
+               break;
+       case SND_SOC_DAIFMT_LEFT_J:
+               reg02_val |= INNO_REG_02_DACM_LJM;
+               break;
+       default:
+               dev_err(codec->dev, "set dai format failed\n");
+               return -EINVAL;
+       }
+
+       switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+       case SND_SOC_DAIFMT_NB_NF:
+               reg02_val |= INNO_REG_02_LRCP_NORMAL;
+               reg03_val |= INNO_REG_03_BCP_NORMAL;
+               break;
+       case SND_SOC_DAIFMT_IB_IF:
+               reg02_val |= INNO_REG_02_LRCP_REVERSAL;
+               reg03_val |= INNO_REG_03_BCP_REVERSAL;
+               break;
+       case SND_SOC_DAIFMT_IB_NF:
+               reg02_val |= INNO_REG_02_LRCP_REVERSAL;
+               reg03_val |= INNO_REG_03_BCP_NORMAL;
+               break;
+       case SND_SOC_DAIFMT_NB_IF:
+               reg02_val |= INNO_REG_02_LRCP_NORMAL;
+               reg03_val |= INNO_REG_03_BCP_REVERSAL;
+               break;
+       default:
+               dev_err(codec->dev, "set dai format failed\n");
+               return -EINVAL;
+       }
+
+       snd_soc_update_bits(codec, INNO_REG_01, INNO_REG_01_I2SMODE_MASK |
+                           INNO_REG_01_PINDIR_MASK, reg01_val);
+       snd_soc_update_bits(codec, INNO_REG_02, INNO_REG_02_LRCP_MASK |
+                           INNO_REG_02_DACM_MASK, reg02_val);
+       snd_soc_update_bits(codec, INNO_REG_03, INNO_REG_03_BCP_MASK,
+                           reg03_val);
+       return 0;
+}
+
+static int rk3036_codec_dai_digital_mute(struct snd_soc_dai *dai, int mute)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       unsigned int val = 0;
+
+       dev_dbg(codec->dev, "rk3036_codec dai mute : %d\n", mute);
+       if (mute)
+               val |= INNO_REG_09_HP_OUTR_MUTE_YES |
+                      INNO_REG_09_HP_OUTL_MUTE_YES;
+       else
+               val |= INNO_REG_09_HP_OUTR_MUTE_NO |
+                      INNO_REG_09_HP_OUTL_MUTE_NO;
+
+       snd_soc_update_bits(codec, INNO_REG_09, INNO_REG_09_HP_OUTR_MUTE_MASK |
+                           INNO_REG_09_HP_OUTL_MUTE_MASK, val);
+       return 0;
+}
+
+static int rk3036_codec_dai_hw_params(struct snd_pcm_substream *substream,
+                                     struct snd_pcm_hw_params *hw_params,
+                                     struct snd_soc_dai *dai)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       unsigned int reg02_val = 0, reg03_val = 0;
+
+       dev_dbg(codec->dev, "rk3036_codec dai hw_params");
+
+       switch (params_format(hw_params)) {
+       case SNDRV_PCM_FORMAT_S16_LE:
+               reg02_val |= INNO_REG_02_VWL_16BIT;
+               break;
+       case SNDRV_PCM_FORMAT_S20_3LE:
+               reg02_val |= INNO_REG_02_VWL_20BIT;
+               break;
+       case SNDRV_PCM_FORMAT_S24_LE:
+               reg02_val |= INNO_REG_02_VWL_24BIT;
+               break;
+       case SNDRV_PCM_FORMAT_S32_LE:
+               reg02_val |= INNO_REG_02_VWL_32BIT;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       reg02_val |= INNO_REG_02_LRCP_NORMAL;
+       reg03_val |= INNO_REG_03_FWL_32BIT | INNO_REG_03_DACR_WORK;
+
+       snd_soc_update_bits(codec, INNO_REG_02, INNO_REG_02_LRCP_MASK |
+                           INNO_REG_02_VWL_MASK, reg02_val);
+       snd_soc_update_bits(codec, INNO_REG_03, INNO_REG_03_DACR_MASK |
+                           INNO_REG_03_FWL_MASK, reg03_val);
+       return 0;
+}
+
+#define RK3036_CODEC_RATES (SNDRV_PCM_RATE_8000  | \
+                           SNDRV_PCM_RATE_16000 | \
+                           SNDRV_PCM_RATE_32000 | \
+                           SNDRV_PCM_RATE_44100 | \
+                           SNDRV_PCM_RATE_48000 | \
+                           SNDRV_PCM_RATE_96000)
+
+#define RK3036_CODEC_FMTS (SNDRV_PCM_FMTBIT_S16_LE  | \
+                          SNDRV_PCM_FMTBIT_S20_3LE | \
+                          SNDRV_PCM_FMTBIT_S24_LE  | \
+                          SNDRV_PCM_FMTBIT_S32_LE)
+
+struct snd_soc_dai_ops rk3036_codec_dai_ops = {
+       .set_sysclk     = rk3036_codec_dai_set_sysclk,
+       .set_fmt        = rk3036_codec_dai_set_fmt,
+       .digital_mute   = rk3036_codec_dai_digital_mute,
+       .hw_params      = rk3036_codec_dai_hw_params,
+};
+
+struct snd_soc_dai_driver rk3036_codec_dai_driver[] = {
+       {
+               .name = "rk3036-codec-dai",
+               .playback = {
+                       .stream_name = "Playback",
+                       .channels_min = 1,
+                       .channels_max = 2,
+                       .rates = RK3036_CODEC_RATES,
+                       .formats = RK3036_CODEC_FMTS,
+               },
+               .ops = &rk3036_codec_dai_ops,
+               .symmetric_rates = 1,
+       },
+};
+
+static void rk3036_codec_reset(struct snd_soc_codec *codec)
+{
+       dev_dbg(codec->dev, "rk3036_codec reset\n");
+       snd_soc_write(codec, INNO_REG_00,
+                     INNO_REG_00_CSR_RESET | INNO_REG_00_CDCR_RESET);
+       mdelay(10);
+       snd_soc_write(codec, INNO_REG_00,
+                     INNO_REG_00_CSR_WORK | INNO_REG_00_CDCR_WORK);
+       mdelay(10);
+}
+
+static void rk3036_codec_power_off(struct snd_soc_codec *codec)
+{
+       struct inno_reg_val *reg_val;
+       int i;
+
+       dev_dbg(codec->dev, "rk3036_codec power off\n");
+       /* set a big current for capacitor charging. */
+       snd_soc_write(codec, INNO_REG_10, INNO_REG_10_MAX_CUR);
+       /* start discharge. */
+       snd_soc_write(codec, INNO_REG_06, INNO_REG_06_DAC_DISCHARGE);
+
+       for (i = 0; i < ARRAY_SIZE(inno_codec_close_path); i++) {
+               reg_val = &inno_codec_open_path[i];
+               snd_soc_write(codec, reg_val->reg, reg_val->val);
+               mdelay(5);
+       }
+}
+
+static void rk3036_codec_power_on(struct snd_soc_codec *codec)
+{
+       struct inno_reg_val *reg_val;
+       int i;
+
+       dev_dbg(codec->dev, "rk3036_codec power on\n");
+       /* set a big current for capacitor discharging. */
+       snd_soc_write(codec, INNO_REG_10, INNO_REG_10_MAX_CUR);
+       mdelay(10);
+       /* start precharge */
+       snd_soc_write(codec, INNO_REG_06, INNO_REG_06_DAC_PRECHARGE);
+       mdelay(100);
+
+       for (i = 0; i < ARRAY_SIZE(inno_codec_open_path); i++) {
+               reg_val = &inno_codec_open_path[i];
+               snd_soc_write(codec, reg_val->reg, reg_val->val);
+               mdelay(5);
+       }
+}
+
+static int rk3036_codec_probe(struct snd_soc_codec *codec)
+{
+       dev_dbg(codec->dev, "rk3036_codec probe\n");
+
+       rk3036_codec_reset(codec);
+
+       rk3036_codec_power_off(codec);
+       /* wait for capacitor discharge finished. */
+       mdelay(10);
+
+       rk3036_codec_power_on(codec);
+
+       return 0;
+}
+
+static int rk3036_codec_remove(struct snd_soc_codec *codec)
+{
+       dev_dbg(codec->dev, "rk3036_codec remove\n");
+       rk3036_codec_power_off(codec);
+
+       return 0;
+}
+
+static int rk3036_codec_set_bias_level(struct snd_soc_codec *codec,
+                                      enum snd_soc_bias_level level)
+{
+       dev_dbg(codec->dev, "rk3036_codec set bias\n");
+       switch (level) {
+       case SND_SOC_BIAS_ON:
+               break;
+
+       case SND_SOC_BIAS_PREPARE:
+               break;
+
+       case SND_SOC_BIAS_STANDBY:
+               break;
+
+       case SND_SOC_BIAS_OFF:
+               break;
+       }
+
+       return 0;
+}
+
+static struct regmap *rk3036_codec_get_regmap(struct device *dev)
+{
+       struct rk3036_codec_priv *priv = dev_get_drvdata(dev);
+
+       dev_dbg(dev, "rk3036_codec get regmap\n");
+       return priv->regmap;
+}
+
+static struct snd_soc_codec_driver rk3036_codec_driver = {
+       .probe          = rk3036_codec_probe,
+       .remove         = rk3036_codec_remove,
+       .set_bias_level = rk3036_codec_set_bias_level,
+       .get_regmap     = rk3036_codec_get_regmap,
+};
+
+static int codec_reg_read(void *context, unsigned int reg, unsigned int *val)
+{
+       struct rk3036_codec_priv *priv = context;
+       void __iomem *base = priv->base;
+
+       *val = readl(base + reg);
+       return 0;
+}
+
+static int codec_reg_write(void *context, unsigned int reg, unsigned int val)
+{
+       struct rk3036_codec_priv *priv = context;
+       void __iomem *base = priv->base;
+
+       dev_dbg(priv->dev, "write %08x to %08x\n", val, reg);
+       writel(val, base + reg);
+       return 0;
+}
+
+static struct regmap_bus codec_regmap_bus = {
+       .reg_read = codec_reg_read,
+       .reg_write = codec_reg_write,
+       .reg_format_endian_default = REGMAP_ENDIAN_NATIVE,
+       .val_format_endian_default = REGMAP_ENDIAN_NATIVE,
+};
+
+static struct regmap_config rk3036_codec_regmap_config = {
+       .reg_bits = 32,
+       .reg_stride = 4,
+       .val_bits = 8,
+};
+
+static int rk3036_codec_platform_probe(struct platform_device *pdev)
+{
+       struct rk3036_codec_priv *priv;
+       struct device_node *of_node = pdev->dev.of_node;
+       struct resource *res;
+       void __iomem *base;
+       struct regmap *grf;
+       int ret;
+
+       dev_dbg(&pdev->dev, "rk3036_codec platform probe\n");
+       priv = devm_kzalloc(&pdev->dev, sizeof(struct rk3036_codec_priv),
+                           GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       base = devm_ioremap_resource(&pdev->dev, res);
+       if (IS_ERR(base))
+               return PTR_ERR(base);
+
+       priv->base = base;
+       priv->regmap = devm_regmap_init(&pdev->dev, &codec_regmap_bus, priv,
+                                       &rk3036_codec_regmap_config);
+       if (IS_ERR(priv->regmap)) {
+               dev_err(&pdev->dev, "init regmap failed\n");
+               return PTR_ERR(priv->regmap);
+       }
+
+       grf = syscon_regmap_lookup_by_phandle(of_node, "rockchip,grf");
+       if (IS_ERR(grf)) {
+               dev_err(&pdev->dev, "needs 'rockchip,grf' property\n");
+               return PTR_ERR(grf);
+       }
+       ret = regmap_write(grf, 0x00140, BIT(16 + 10) | BIT(10));
+       if (ret != 0) {
+               dev_err(&pdev->dev, "Could not write to GRF: %d\n", ret);
+               return ret;
+       }
+
+       priv->pclk = devm_clk_get(&pdev->dev, "acodec_pclk");
+       if (IS_ERR(priv->pclk))
+               return PTR_ERR(priv->pclk);
+
+       ret = clk_prepare_enable(priv->pclk);
+       if (ret < 0) {
+               dev_err(&pdev->dev, "failed to enable clk\n");
+               return ret;
+       }
+
+       priv->dev = &pdev->dev;
+       dev_set_drvdata(&pdev->dev, priv);
+
+       ret = snd_soc_register_codec(&pdev->dev, &rk3036_codec_driver,
+                                    rk3036_codec_dai_driver,
+                                    ARRAY_SIZE(rk3036_codec_dai_driver));
+       if (ret) {
+               clk_disable_unprepare(priv->pclk);
+               dev_set_drvdata(&pdev->dev, NULL);
+       }
+
+       return ret;
+}
+
+static int rk3036_codec_platform_remove(struct platform_device *pdev)
+{
+       struct rk3036_codec_priv *priv = dev_get_drvdata(&pdev->dev);
+
+       dev_dbg(&pdev->dev, "rk3036_codec platform remove\n");
+       snd_soc_unregister_codec(&pdev->dev);
+       clk_disable_unprepare(priv->pclk);
+
+       return 0;
+}
+
+static void rk3036_codec_platform_shutdown(struct platform_device *pdev)
+{
+       /*TODO:*/
+}
+
+static const struct of_device_id rk3036_codec_of_match[] = {
+       { .compatible = "rk3036-codec", },
+       {}
+};
+MODULE_DEVICE_TABLE(of, rk3036_codec_of_match);
+
+static struct platform_driver rk3036_codec_platform_driver = {
+       .driver = {
+               .name = "rk3036-codec-platform",
+               .owner = THIS_MODULE,
+               .of_match_table = of_match_ptr(rk3036_codec_of_match),
+       },
+       .probe = rk3036_codec_platform_probe,
+       .remove = rk3036_codec_platform_remove,
+       .shutdown = rk3036_codec_platform_shutdown,
+};
+
+module_platform_driver(rk3036_codec_platform_driver);
+
+MODULE_AUTHOR("Rockchip Inc.");
+MODULE_DESCRIPTION("Rockchip rk3036 codec driver");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/inno_rk3036.h b/sound/soc/codecs/inno_rk3036.h
new file mode 100644
index 0000000..8b01a9b
--- /dev/null
+++ b/sound/soc/codecs/inno_rk3036.h
@@ -0,0 +1,308 @@
+/*
+ * Driver of Inno Codec for rk3036 by Rockchip Inc.
+ * Author: Zheng ShunQian<[email protected]>
+ */
+
+#ifndef _INNO_RK3036_CODEC_H
+#define _INNO_RK3036_CODEC_H
+
+/* codec registers */
+#define INNO_REG_00    0x00
+#define INNO_REG_01    0x0c
+#define INNO_REG_02    0x10
+#define INNO_REG_03    0x14
+#define INNO_REG_04    0x88
+#define INNO_REG_05    0x8c
+#define INNO_REG_06    0x90
+#define INNO_REG_07    0x94
+#define INNO_REG_08    0x98
+#define INNO_REG_09    0x9c
+#define INNO_REG_10    0xa0
+
+/* register bit filed */
+#define INNO_REG_00_CSR_RESET          (0x0 << 0) /*codec system reset*/
+#define INNO_REG_00_CSR_WORK           (0x1 << 0)
+#define INNO_REG_00_CDCR_RESET         (0x0 << 1) /*codec digital core reset*/
+#define INNO_REG_00_CDCR_WORK          (0x1 << 1)
+#define INNO_REG_00_PRB_DISABLE                (0x0 << 6) /*power reset 
bypass*/
+#define INNO_REG_00_PRB_ENABLE         (0x1 << 6)
+
+#define INNO_REG_01_I2SMODE_MASK       (0x1 << 4)
+#define INNO_REG_01_I2SMODE_SLAVE      (0x0 << 4)
+#define INNO_REG_01_I2SMODE_MASTER     (0x1 << 4)
+#define INNO_REG_01_PINDIR_MASK                (0x1 << 5)
+#define INNO_REG_01_PINDIR_IN_SLAVE    (0x0 << 5) /*direction of pin*/
+#define INNO_REG_01_PINDIR_OUT_MASTER  (0x1 << 5)
+
+#define INNO_REG_02_LRS_MASK           (0x1 << 2)
+#define INNO_REG_02_LRS_NORMAL         (0x0 << 2) /*DAC Left Right Swap*/
+#define INNO_REG_02_LRS_SWAP           (0x1 << 2)
+#define INNO_REG_02_DACM_MASK          (0x3 << 3)
+#define INNO_REG_02_DACM_PCM           (0x3 << 3) /*DAC Mode*/
+#define INNO_REG_02_DACM_I2S           (0x2 << 3)
+#define INNO_REG_02_DACM_LJM           (0x1 << 3)
+#define INNO_REG_02_DACM_RJM           (0x0 << 3)
+#define INNO_REG_02_VWL_MASK           (0x3 << 5)
+#define INNO_REG_02_VWL_32BIT          (0x3 << 5) /*1/2Frame Valid Word Len*/
+#define INNO_REG_02_VWL_24BIT          (0x2 << 5)
+#define INNO_REG_02_VWL_20BIT          (0x1 << 5)
+#define INNO_REG_02_VWL_16BIT          (0x0 << 5)
+#define INNO_REG_02_LRCP_MASK          (0x1 << 7)
+#define INNO_REG_02_LRCP_NORMAL                (0x0 << 7) /*Left Right 
Polarity*/
+#define INNO_REG_02_LRCP_REVERSAL      (0x1 << 7)
+
+#define INNO_REG_03_BCP_MASK           (0x1 << 0)
+#define INNO_REG_03_BCP_NORMAL         (0x0 << 0) /*DAC bit clock polarity*/
+#define INNO_REG_03_BCP_REVERSAL       (0x1 << 0)
+#define INNO_REG_03_DACR_MASK          (0x1 << 1)
+#define INNO_REG_03_DACR_RESET         (0x0 << 1) /*DAC Reset*/
+#define INNO_REG_03_DACR_WORK          (0x1 << 1)
+#define INNO_REG_03_FWL_MASK           (0x3 << 2)
+#define INNO_REG_03_FWL_32BIT          (0x3 << 2) /*1/2Frame Word Length*/
+#define INNO_REG_03_FWL_24BIT          (0x2 << 2)
+#define INNO_REG_03_FWL_20BIT          (0x1 << 2)
+#define INNO_REG_03_FWL_16BIT          (0x0 << 2)
+
+#define INNO_REG_04_DACR_WORK          (0x1 << 0) /*DAC Right Module*/
+#define INNO_REG_04_DACR_STOP          (0x0 << 0)
+#define INNO_REG_04_DACL_WORK          (0x1 << 1) /*DAC Left Module*/
+#define INNO_REG_04_DACL_STOP          (0x0 << 1)
+#define INNO_REG_04_DACR_CLK_WORK      (0x1 << 2) /*DAC Right CLK*/
+#define INNO_REG_04_DACR_CLK_STOP      (0x0 << 2)
+#define INNO_REG_04_DACL_CLK_WORK      (0x1 << 3) /*DAC Left CLK*/
+#define INNO_REG_04_DACL_CLK_STOP      (0x0 << 3)
+#define INNO_REG_04_DACR_RV_WORK       (0x1 << 4) /*DAC Right Ref Voltage*/
+#define INNO_REG_04_DACR_RV_STOP       (0x0 << 4)
+#define INNO_REG_04_DACL_RV_WORK       (0x1 << 5) /*DAC Left Ref Voltage*/
+#define INNO_REG_04_DACL_RV_STOP       (0x0 << 5)
+
+#define INNO_REG_05_HPOUTR_EN_WORK     (0x1 << 0) /*HeadPhone Output Right*/
+#define INNO_REG_05_HPOUTR_EN_STOP     (0x0 << 0)
+#define INNO_REG_05_HPOUTL_EN_WORK     (0x1 << 1) /*HeadPhone Output Left*/
+#define INNO_REG_05_HPOUTL_EN_STOP     (0x0 << 1)
+#define INNO_REG_05_HPOUTR_WORK                (0x1 << 2) /*Init HP out right*/
+#define INNO_REG_05_HPOUTR_INIT                (0x0 << 2)
+#define INNO_REG_05_HPOUTL_WORK                (0x1 << 3) /*Init HP out left*/
+#define INNO_REG_05_HPOUTL_INIT                (0x0 << 3)
+
+#define INNO_REG_06_VOUTR_CZ_WORK      (0x1 << 0) /*Cross-Zero detection*/
+#define INNO_REG_06_VOUTR_CZ_STOP      (0x0 << 0)
+#define INNO_REG_06_VOUTL_CZ_WORK      (0x1 << 1) /*Cross-Zero detection*/
+#define INNO_REG_06_VOUTL_CZ_STOP      (0x0 << 1)
+#define INNO_REG_06_DACR_HL_RV_WORK    (0x1 << 2) /*High & Low Ref Voltage*/
+#define INNO_REG_06_DACR_HL_RV_STOP    (0x0 << 2)
+#define INNO_REG_06_DACL_HL_RV_WORK    (0x1 << 3) /*High & Low Ref Voltage*/
+#define INNO_REG_06_DACL_HL_RV_STOP    (0x0 << 3)
+#define INNO_REG_06_DAC_PRECHARGE      (0x0 << 4) /*PreCharge control for DAC*/
+#define INNO_REG_06_DAC_DISCHARGE      (0x1 << 4)
+#define INNO_REG_06_DAC_EN_WORK                (0x1 << 5) /*Enable Signal for 
DAC*/
+#define INNO_REG_06_DAC_EN_STOP                (0x0 << 5)
+
+/* Gain of output, 1.5db step: -39db(0x0) ~ 0db(0x1a) ~ 6db(0x1f) */
+#define INNO_REG_07_HPOUTL_GAIN_0DB    0x1a
+#define INNO_REG_07_HPOUTL_GAIN_N39DB  0x0
+#define INNO_REG_08_HPOUTR_GAIN_0DB    0x1a
+#define INNO_REG_08_HPOUTR_GAIN_N39DB  0x0
+
+#define INNO_REG_09_HP_OUTR_POP_PRECHARGE      (0x1 << 0)
+#define INNO_REG_09_HP_OUTR_POP_WORK           (0x2 << 0)
+#define INNO_REG_09_HP_OUTL_POP_PRECHARGE      (0x1 << 2)
+#define INNO_REG_09_HP_OUTL_POP_WORK           (0x2 << 2)
+#define INNO_REG_09_HP_OUTR_MUTE_MASK  (0x1 << 4)
+#define INNO_REG_09_HP_OUTR_MUTE_NO    (0x1 << 4)
+#define INNO_REG_09_HP_OUTR_MUTE_YES   (0x0 << 4)
+#define INNO_REG_09_HP_OUTL_MUTE_MASK  (0x1 << 5)
+#define INNO_REG_09_HP_OUTL_MUTE_NO    (0x1 << 5)
+#define INNO_REG_09_HP_OUTL_MUTE_YES   (0x0 << 5)
+#define INNO_REG_09_DACR_INIT          (0x0 << 6)
+#define INNO_REG_09_DACR_WORK          (0x1 << 6)
+#define INNO_REG_09_DACL_INIT          (0x0 << 7)
+#define INNO_REG_09_DACL_WORK          (0x1 << 7)
+
+#define INNO_REG_09_POWERON (INNO_REG_09_HP_OUTR_POP_WORK | \
+                             INNO_REG_09_HP_OUTL_POP_WORK | \
+                             INNO_REG_09_HP_OUTR_MUTE_YES | \
+                             INNO_REG_09_HP_OUTL_MUTE_YES | \
+                             INNO_REG_09_DACR_WORK        | \
+                             INNO_REG_09_DACL_WORK)
+
+#define INNO_REG_10_CHARGE_SEL_CUR_400I_YES    (0x0 << 0)
+#define INNO_REG_10_CHARGE_SEL_CUR_400I_NO     (0x1 << 0)
+#define INNO_REG_10_CHARGE_SEL_CUR_260I_YES    (0x0 << 1)
+#define INNO_REG_10_CHARGE_SEL_CUR_260I_NO     (0x1 << 1)
+#define INNO_REG_10_CHARGE_SEL_CUR_130I_YES    (0x0 << 2)
+#define INNO_REG_10_CHARGE_SEL_CUR_130I_NO     (0x1 << 2)
+#define INNO_REG_10_CHARGE_SEL_CUR_100I_YES    (0x0 << 3)
+#define INNO_REG_10_CHARGE_SEL_CUR_100I_NO     (0x1 << 3)
+#define INNO_REG_10_CHARGE_SEL_CUR_050I_YES    (0x0 << 4)
+#define INNO_REG_10_CHARGE_SEL_CUR_050I_NO     (0x1 << 4)
+#define INNO_REG_10_CHARGE_SEL_CUR_027I_YES    (0x0 << 5)
+#define INNO_REG_10_CHARGE_SEL_CUR_027I_NO     (0x1 << 5)
+
+#define INNO_REG_10_MAX_CUR (INNO_REG_10_CHARGE_SEL_CUR_400I_YES | \
+                            INNO_REG_10_CHARGE_SEL_CUR_260I_YES | \
+                            INNO_REG_10_CHARGE_SEL_CUR_130I_YES | \
+                            INNO_REG_10_CHARGE_SEL_CUR_100I_YES | \
+                            INNO_REG_10_CHARGE_SEL_CUR_050I_YES | \
+                            INNO_REG_10_CHARGE_SEL_CUR_027I_YES)
+
+struct inno_reg_val {
+       int reg;
+       int val;
+};
+
+struct inno_reg_val inno_codec_open_path[] = {
+       { /* open current source */
+               .reg = INNO_REG_06,
+               .val = INNO_REG_06_DAC_EN_WORK     |
+                      INNO_REG_06_DAC_PRECHARGE   |
+                      INNO_REG_06_DACL_HL_RV_STOP |
+                      INNO_REG_06_DACR_HL_RV_STOP |
+                      INNO_REG_06_VOUTR_CZ_STOP   |
+                      INNO_REG_06_VOUTL_CZ_STOP,
+       },
+       { /* power on DAC path reference voltage */
+               .reg = INNO_REG_04,
+               .val = INNO_REG_04_DACR_RV_WORK    |
+                      INNO_REG_04_DACL_RV_WORK    |
+                      INNO_REG_04_DACL_CLK_STOP   |
+                      INNO_REG_04_DACR_CLK_STOP   |
+                      INNO_REG_04_DACL_STOP       |
+                      INNO_REG_04_DACR_STOP,
+       },
+       { /* PoP precharge work */
+               .reg = INNO_REG_09,
+               .val = INNO_REG_09_DACL_INIT        |
+                      INNO_REG_09_DACR_INIT        |
+                      INNO_REG_09_HP_OUTL_MUTE_YES |
+                      INNO_REG_09_HP_OUTR_MUTE_YES |
+                      INNO_REG_09_HP_OUTR_POP_WORK |
+                      INNO_REG_09_HP_OUTL_POP_WORK,
+       },
+       { /* start up HPOUTL HPOUTR */
+               .reg = INNO_REG_05,
+               .val = INNO_REG_05_HPOUTR_EN_WORK  |
+                      INNO_REG_05_HPOUTL_EN_WORK  |
+                      INNO_REG_05_HPOUTR_INIT     |
+                      INNO_REG_05_HPOUTL_INIT,
+       },
+       { /* now the HPOUTL HPOUTR init OK */
+               .reg = INNO_REG_05,
+               .val = INNO_REG_05_HPOUTR_EN_WORK  |
+                      INNO_REG_05_HPOUTL_EN_WORK  |
+                      INNO_REG_05_HPOUTR_WORK     |
+                      INNO_REG_05_HPOUTL_WORK,
+       },
+       { /* start up special reference voltage of DACL DACR */
+               .reg = INNO_REG_06,
+               .val = INNO_REG_06_DAC_EN_WORK     |
+                      INNO_REG_06_DAC_PRECHARGE   |
+                      INNO_REG_06_DACL_HL_RV_WORK |
+                      INNO_REG_06_DACR_HL_RV_WORK |
+                      INNO_REG_06_VOUTL_CZ_STOP   |
+                      INNO_REG_06_VOUTR_CZ_STOP,
+       },
+       { /* start up clock module of LR channel */
+               .reg = INNO_REG_04,
+               .val = INNO_REG_04_DACR_STOP       |
+                      INNO_REG_04_DACL_STOP       |
+                      INNO_REG_04_DACR_CLK_WORK   |
+                      INNO_REG_04_DACL_CLK_WORK   |
+                      INNO_REG_04_DACR_RV_WORK    |
+                      INNO_REG_04_DACL_RV_WORK,
+       },
+       { /* start up DACL DACR module */
+               .reg = INNO_REG_04,
+               .val = INNO_REG_04_DACR_WORK       |
+                      INNO_REG_04_DACL_WORK       |
+                      INNO_REG_04_DACR_CLK_WORK   |
+                      INNO_REG_04_DACL_CLK_WORK   |
+                      INNO_REG_04_DACR_RV_WORK    |
+                      INNO_REG_04_DACL_RV_WORK,
+       },
+       { /* end of the init state of DACL DACR */
+               .reg = INNO_REG_09,
+               .val = INNO_REG_09_POWERON,
+       },
+       { /* set the gain of headphone output */
+               .reg = INNO_REG_07,
+               .val = INNO_REG_07_HPOUTL_GAIN_0DB,
+       },
+       { /* set the gain of headphone output */
+               .reg = INNO_REG_08,
+               .val = INNO_REG_08_HPOUTR_GAIN_0DB,
+       },
+       { /* end of the init state of DACL DACR */
+               .reg = INNO_REG_09,
+               .val = INNO_REG_09_DACL_WORK       |
+                      INNO_REG_09_DACR_WORK       |
+                      INNO_REG_09_HP_OUTL_MUTE_NO |
+                      INNO_REG_09_HP_OUTR_MUTE_NO |
+                      INNO_REG_09_HP_OUTR_POP_WORK |
+                      INNO_REG_09_HP_OUTL_POP_WORK,
+       },
+};
+
+struct inno_reg_val inno_codec_close_path[] = {
+       {
+               .reg = INNO_REG_06,
+               .val = INNO_REG_06_DAC_EN_WORK     |
+                      INNO_REG_06_DAC_PRECHARGE   |
+                      INNO_REG_06_DACL_HL_RV_WORK |
+                      INNO_REG_06_DACR_HL_RV_WORK |
+                      INNO_REG_06_VOUTL_CZ_STOP   |
+                      INNO_REG_06_VOUTR_CZ_STOP,
+       },
+       {
+               .reg = INNO_REG_07,
+               .val = INNO_REG_07_HPOUTL_GAIN_N39DB,
+       },
+       {
+               .reg = INNO_REG_08,
+               .val = INNO_REG_08_HPOUTR_GAIN_N39DB,
+       },
+       {
+               .reg = INNO_REG_09,
+               .val = INNO_REG_09_POWERON,
+       },
+       {
+               .reg = INNO_REG_05,
+               .val = INNO_REG_05_HPOUTR_EN_WORK  |
+                      INNO_REG_05_HPOUTL_EN_WORK  |
+                      INNO_REG_05_HPOUTR_INIT     |
+                      INNO_REG_05_HPOUTL_INIT,
+       },
+       {
+               .reg = INNO_REG_09,
+               .val = INNO_REG_09_DACL_WORK       |
+                      INNO_REG_09_DACR_WORK       |
+                      INNO_REG_09_HP_OUTL_MUTE_YES |
+                      INNO_REG_09_HP_OUTR_MUTE_YES |
+                      INNO_REG_09_HP_OUTR_POP_PRECHARGE |
+                      INNO_REG_09_HP_OUTL_POP_PRECHARGE,
+       },
+       {
+               .reg = INNO_REG_04,
+               .val = INNO_REG_04_DACR_RV_STOP    |
+                      INNO_REG_04_DACL_RV_STOP    |
+                      INNO_REG_04_DACL_CLK_STOP   |
+                      INNO_REG_04_DACR_CLK_STOP   |
+                      INNO_REG_04_DACL_STOP       |
+                      INNO_REG_04_DACR_STOP,
+       },
+       {
+               .reg = INNO_REG_06,
+               .val = INNO_REG_06_DAC_DISCHARGE,
+       },
+       {
+               .reg = INNO_REG_09,
+               .val = INNO_REG_09_DACL_INIT       |
+                      INNO_REG_09_DACR_INIT       |
+                      INNO_REG_09_HP_OUTL_MUTE_YES |
+                      INNO_REG_09_HP_OUTR_MUTE_YES |
+                      INNO_REG_09_HP_OUTR_POP_PRECHARGE |
+                      INNO_REG_09_HP_OUTL_POP_PRECHARGE,
+       },
+};
+
+#endif
-- 
1.9.1

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