]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
ASoC: cs35l34: Initial commit of the cs35l34 CODEC driver.
authorPaul Handrigan <Paul.Handrigan@cirrus.com>
Wed, 12 Oct 2016 18:53:28 +0000 (13:53 -0500)
committerMark Brown <broonie@kernel.org>
Fri, 21 Oct 2016 11:02:44 +0000 (12:02 +0100)
Initial commit of the Cirrus Logic cs35l34 8V boosted class D
amplifier.

Signed-off-by: Paul Handrigan <Paul.Handrigan@cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
include/sound/cs35l34.h [new file with mode: 0644]
sound/soc/codecs/Kconfig
sound/soc/codecs/Makefile
sound/soc/codecs/cs35l34.c [new file with mode: 0644]
sound/soc/codecs/cs35l34.h [new file with mode: 0644]

diff --git a/include/sound/cs35l34.h b/include/sound/cs35l34.h
new file mode 100644 (file)
index 0000000..9c927cf
--- /dev/null
@@ -0,0 +1,35 @@
+/*
+ * linux/sound/cs35l34.h -- Platform data for CS35l34
+ *
+ * Copyright (c) 2016 Cirrus Logic Inc.
+ *
+ * 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.
+ */
+
+#ifndef __CS35L34_H
+#define __CS35L34_H
+
+struct cs35l34_platform_data {
+       /* Set AIF to half drive strength */
+       bool aif_half_drv;
+       /* Digital Soft Ramp Disable */
+       bool digsft_disable;
+       /* Amplifier Invert */
+       bool amp_inv;
+       /* Peak current (mA) */
+       unsigned int boost_peak;
+       /* Boost inductor value (nH) */
+       unsigned int boost_ind;
+       /* Boost Controller Voltage Setting (mV) */
+       unsigned int boost_vtge;
+       /* Gain Change Zero Cross */
+       bool gain_zc_disable;
+       /* SDIN Left/Right Selection */
+       unsigned int i2s_sdinloc;
+       /* TDM Rising Edge */
+       bool tdm_rising_edge;
+};
+
+#endif /* __CS35L34_H */
index c67667bb970f1729db65b027dd8e963b9ee95b7b..bf2f26dddfab8e5149a23b9be4d9d49b6cf9e8c2 100644 (file)
@@ -48,6 +48,7 @@ config SND_SOC_ALL_CODECS
        select SND_SOC_CQ0093VC if MFD_DAVINCI_VOICECODEC
        select SND_SOC_CS35L32 if I2C
        select SND_SOC_CS35L33 if I2C
+       select SND_SOC_CS35L34 if I2C
        select SND_SOC_CS42L51_I2C if I2C
        select SND_SOC_CS42L52 if I2C && INPUT
        select SND_SOC_CS42L56 if I2C && INPUT
@@ -399,6 +400,10 @@ config SND_SOC_CS35L33
        tristate "Cirrus Logic CS35L33 CODEC"
        depends on I2C
 
+config SND_SOC_CS35L34
+       tristate "Cirrus Logic CS35L34 CODEC"
+       depends on I2C
+
 config SND_SOC_CS42L51
        tristate
 
index 958cd4912fbc9820f965c0d2f38692857f410d3a..3f0cd9047f09760c30be57a2871b507d4b131a65 100644 (file)
@@ -38,6 +38,7 @@ snd-soc-bt-sco-objs := bt-sco.o
 snd-soc-cq93vc-objs := cq93vc.o
 snd-soc-cs35l32-objs := cs35l32.o
 snd-soc-cs35l33-objs := cs35l33.o
+snd-soc-cs35l34-objs := cs35l34.o
 snd-soc-cs42l51-objs := cs42l51.o
 snd-soc-cs42l51-i2c-objs := cs42l51-i2c.o
 snd-soc-cs42l52-objs := cs42l52.o
@@ -263,6 +264,7 @@ obj-$(CONFIG_SND_SOC_BT_SCO)        += snd-soc-bt-sco.o
 obj-$(CONFIG_SND_SOC_CQ0093VC) += snd-soc-cq93vc.o
 obj-$(CONFIG_SND_SOC_CS35L32)  += snd-soc-cs35l32.o
 obj-$(CONFIG_SND_SOC_CS35L33)  += snd-soc-cs35l33.o
+obj-$(CONFIG_SND_SOC_CS35L34)  += snd-soc-cs35l34.o
 obj-$(CONFIG_SND_SOC_CS42L51)  += snd-soc-cs42l51.o
 obj-$(CONFIG_SND_SOC_CS42L51_I2C)      += snd-soc-cs42l51-i2c.o
 obj-$(CONFIG_SND_SOC_CS42L52)  += snd-soc-cs42l52.o
diff --git a/sound/soc/codecs/cs35l34.c b/sound/soc/codecs/cs35l34.c
new file mode 100644 (file)
index 0000000..4045383
--- /dev/null
@@ -0,0 +1,1252 @@
+/*
+ * cs35l34.c -- CS35l34 ALSA SoC audio driver
+ *
+ * Copyright 2016 Cirrus Logic, Inc.
+ *
+ * Author: Paul Handrigan <Paul.Handrigan@cirrus.com>
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/regulator/machine.h>
+#include <linux/pm_runtime.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/of_irq.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <sound/cs35l34.h>
+
+#include "cs35l34.h"
+
+#define PDN_DONE_ATTEMPTS 10
+#define CS35L34_START_DELAY 50
+
+struct  cs35l34_private {
+       struct snd_soc_codec *codec;
+       struct cs35l34_platform_data pdata;
+       struct regmap *regmap;
+       struct regulator_bulk_data core_supplies[2];
+       int num_core_supplies;
+       int mclk_int;
+       bool tdm_mode;
+       struct gpio_desc *reset_gpio;   /* Active-low reset GPIO */
+};
+
+static const struct reg_default cs35l34_reg[] = {
+       {CS35L34_PWRCTL1, 0x01},
+       {CS35L34_PWRCTL2, 0x19},
+       {CS35L34_PWRCTL3, 0x01},
+       {CS35L34_ADSP_CLK_CTL, 0x08},
+       {CS35L34_MCLK_CTL, 0x11},
+       {CS35L34_AMP_INP_DRV_CTL, 0x01},
+       {CS35L34_AMP_DIG_VOL_CTL, 0x12},
+       {CS35L34_AMP_DIG_VOL, 0x00},
+       {CS35L34_AMP_ANLG_GAIN_CTL, 0x0F},
+       {CS35L34_PROTECT_CTL, 0x06},
+       {CS35L34_AMP_KEEP_ALIVE_CTL, 0x04},
+       {CS35L34_BST_CVTR_V_CTL, 0x00},
+       {CS35L34_BST_PEAK_I, 0x10},
+       {CS35L34_BST_RAMP_CTL, 0x87},
+       {CS35L34_BST_CONV_COEF_1, 0x24},
+       {CS35L34_BST_CONV_COEF_2, 0x24},
+       {CS35L34_BST_CONV_SLOPE_COMP, 0x4E},
+       {CS35L34_BST_CONV_SW_FREQ, 0x08},
+       {CS35L34_CLASS_H_CTL, 0x0D},
+       {CS35L34_CLASS_H_HEADRM_CTL, 0x0D},
+       {CS35L34_CLASS_H_RELEASE_RATE, 0x08},
+       {CS35L34_CLASS_H_FET_DRIVE_CTL, 0x41},
+       {CS35L34_CLASS_H_STATUS, 0x05},
+       {CS35L34_VPBR_CTL, 0x0A},
+       {CS35L34_VPBR_VOL_CTL, 0x90},
+       {CS35L34_VPBR_TIMING_CTL, 0x6A},
+       {CS35L34_PRED_MAX_ATTEN_SPK_LOAD, 0x95},
+       {CS35L34_PRED_BROWNOUT_THRESH, 0x1C},
+       {CS35L34_PRED_BROWNOUT_VOL_CTL, 0x00},
+       {CS35L34_PRED_BROWNOUT_RATE_CTL, 0x10},
+       {CS35L34_PRED_WAIT_CTL, 0x10},
+       {CS35L34_PRED_ZVP_INIT_IMP_CTL, 0x08},
+       {CS35L34_PRED_MAN_SAFE_VPI_CTL, 0x80},
+       {CS35L34_VPBR_ATTEN_STATUS, 0x00},
+       {CS35L34_PRED_BRWNOUT_ATT_STATUS, 0x00},
+       {CS35L34_SPKR_MON_CTL, 0xC6},
+       {CS35L34_ADSP_I2S_CTL, 0x00},
+       {CS35L34_ADSP_TDM_CTL, 0x00},
+       {CS35L34_TDM_TX_CTL_1_VMON, 0x00},
+       {CS35L34_TDM_TX_CTL_2_IMON, 0x04},
+       {CS35L34_TDM_TX_CTL_3_VPMON, 0x03},
+       {CS35L34_TDM_TX_CTL_4_VBSTMON, 0x07},
+       {CS35L34_TDM_TX_CTL_5_FLAG1, 0x08},
+       {CS35L34_TDM_TX_CTL_6_FLAG2, 0x09},
+       {CS35L34_TDM_TX_SLOT_EN_1, 0x00},
+       {CS35L34_TDM_TX_SLOT_EN_2, 0x00},
+       {CS35L34_TDM_TX_SLOT_EN_3, 0x00},
+       {CS35L34_TDM_TX_SLOT_EN_4, 0x00},
+       {CS35L34_TDM_RX_CTL_1_AUDIN, 0x40},
+       {CS35L34_TDM_RX_CTL_3_ALIVE, 0x04},
+       {CS35L34_MULT_DEV_SYNCH1, 0x00},
+       {CS35L34_MULT_DEV_SYNCH2, 0x80},
+       {CS35L34_PROT_RELEASE_CTL, 0x00},
+       {CS35L34_DIAG_MODE_REG_LOCK, 0x00},
+       {CS35L34_DIAG_MODE_CTL_1, 0x00},
+       {CS35L34_DIAG_MODE_CTL_2, 0x00},
+       {CS35L34_INT_MASK_1, 0xFF},
+       {CS35L34_INT_MASK_2, 0xFF},
+       {CS35L34_INT_MASK_3, 0xFF},
+       {CS35L34_INT_MASK_4, 0xFF},
+       {CS35L34_INT_STATUS_1, 0x30},
+       {CS35L34_INT_STATUS_2, 0x05},
+       {CS35L34_INT_STATUS_3, 0x00},
+       {CS35L34_INT_STATUS_4, 0x00},
+       {CS35L34_OTP_TRIM_STATUS, 0x00},
+};
+
+static bool cs35l34_volatile_register(struct device *dev, unsigned int reg)
+{
+       switch (reg) {
+       case CS35L34_DEVID_AB:
+       case CS35L34_DEVID_CD:
+       case CS35L34_DEVID_E:
+       case CS35L34_FAB_ID:
+       case CS35L34_REV_ID:
+       case CS35L34_INT_STATUS_1:
+       case CS35L34_INT_STATUS_2:
+       case CS35L34_INT_STATUS_3:
+       case CS35L34_INT_STATUS_4:
+       case CS35L34_CLASS_H_STATUS:
+       case CS35L34_VPBR_ATTEN_STATUS:
+       case CS35L34_OTP_TRIM_STATUS:
+               return true;
+       default:
+               return false;
+       }
+}
+
+static bool cs35l34_readable_register(struct device *dev, unsigned int reg)
+{
+       switch (reg) {
+       case    CS35L34_CHIP_ID:
+       case    CS35L34_DEVID_AB:
+       case    CS35L34_DEVID_CD:
+       case    CS35L34_DEVID_E:
+       case    CS35L34_FAB_ID:
+       case    CS35L34_REV_ID:
+       case    CS35L34_PWRCTL1:
+       case    CS35L34_PWRCTL2:
+       case    CS35L34_PWRCTL3:
+       case    CS35L34_ADSP_CLK_CTL:
+       case    CS35L34_MCLK_CTL:
+       case    CS35L34_AMP_INP_DRV_CTL:
+       case    CS35L34_AMP_DIG_VOL_CTL:
+       case    CS35L34_AMP_DIG_VOL:
+       case    CS35L34_AMP_ANLG_GAIN_CTL:
+       case    CS35L34_PROTECT_CTL:
+       case    CS35L34_AMP_KEEP_ALIVE_CTL:
+       case    CS35L34_BST_CVTR_V_CTL:
+       case    CS35L34_BST_PEAK_I:
+       case    CS35L34_BST_RAMP_CTL:
+       case    CS35L34_BST_CONV_COEF_1:
+       case    CS35L34_BST_CONV_COEF_2:
+       case    CS35L34_BST_CONV_SLOPE_COMP:
+       case    CS35L34_BST_CONV_SW_FREQ:
+       case    CS35L34_CLASS_H_CTL:
+       case    CS35L34_CLASS_H_HEADRM_CTL:
+       case    CS35L34_CLASS_H_RELEASE_RATE:
+       case    CS35L34_CLASS_H_FET_DRIVE_CTL:
+       case    CS35L34_CLASS_H_STATUS:
+       case    CS35L34_VPBR_CTL:
+       case    CS35L34_VPBR_VOL_CTL:
+       case    CS35L34_VPBR_TIMING_CTL:
+       case    CS35L34_PRED_MAX_ATTEN_SPK_LOAD:
+       case    CS35L34_PRED_BROWNOUT_THRESH:
+       case    CS35L34_PRED_BROWNOUT_VOL_CTL:
+       case    CS35L34_PRED_BROWNOUT_RATE_CTL:
+       case    CS35L34_PRED_WAIT_CTL:
+       case    CS35L34_PRED_ZVP_INIT_IMP_CTL:
+       case    CS35L34_PRED_MAN_SAFE_VPI_CTL:
+       case    CS35L34_VPBR_ATTEN_STATUS:
+       case    CS35L34_PRED_BRWNOUT_ATT_STATUS:
+       case    CS35L34_SPKR_MON_CTL:
+       case    CS35L34_ADSP_I2S_CTL:
+       case    CS35L34_ADSP_TDM_CTL:
+       case    CS35L34_TDM_TX_CTL_1_VMON:
+       case    CS35L34_TDM_TX_CTL_2_IMON:
+       case    CS35L34_TDM_TX_CTL_3_VPMON:
+       case    CS35L34_TDM_TX_CTL_4_VBSTMON:
+       case    CS35L34_TDM_TX_CTL_5_FLAG1:
+       case    CS35L34_TDM_TX_CTL_6_FLAG2:
+       case    CS35L34_TDM_TX_SLOT_EN_1:
+       case    CS35L34_TDM_TX_SLOT_EN_2:
+       case    CS35L34_TDM_TX_SLOT_EN_3:
+       case    CS35L34_TDM_TX_SLOT_EN_4:
+       case    CS35L34_TDM_RX_CTL_1_AUDIN:
+       case    CS35L34_TDM_RX_CTL_3_ALIVE:
+       case    CS35L34_MULT_DEV_SYNCH1:
+       case    CS35L34_MULT_DEV_SYNCH2:
+       case    CS35L34_PROT_RELEASE_CTL:
+       case    CS35L34_DIAG_MODE_REG_LOCK:
+       case    CS35L34_DIAG_MODE_CTL_1:
+       case    CS35L34_DIAG_MODE_CTL_2:
+       case    CS35L34_INT_MASK_1:
+       case    CS35L34_INT_MASK_2:
+       case    CS35L34_INT_MASK_3:
+       case    CS35L34_INT_MASK_4:
+       case    CS35L34_INT_STATUS_1:
+       case    CS35L34_INT_STATUS_2:
+       case    CS35L34_INT_STATUS_3:
+       case    CS35L34_INT_STATUS_4:
+       case    CS35L34_OTP_TRIM_STATUS:
+               return true;
+       default:
+               return false;
+       }
+}
+
+static bool cs35l34_precious_register(struct device *dev, unsigned int reg)
+{
+       switch (reg) {
+       case CS35L34_INT_STATUS_1:
+       case CS35L34_INT_STATUS_2:
+       case CS35L34_INT_STATUS_3:
+       case CS35L34_INT_STATUS_4:
+               return true;
+       default:
+               return false;
+       }
+}
+
+static int cs35l34_sdin_event(struct snd_soc_dapm_widget *w,
+               struct snd_kcontrol *kcontrol, int event)
+{
+       struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+       struct cs35l34_private *priv = snd_soc_codec_get_drvdata(codec);
+       int ret;
+
+       switch (event) {
+       case SND_SOC_DAPM_PRE_PMU:
+               if (priv->tdm_mode)
+                       regmap_update_bits(priv->regmap, CS35L34_PWRCTL3,
+                                               CS35L34_PDN_TDM, 0x00);
+
+               ret = regmap_update_bits(priv->regmap, CS35L34_PWRCTL1,
+                                               CS35L34_PDN_ALL, 0);
+               if (ret < 0) {
+                       dev_err(codec->dev, "Cannot set Power bits %d\n", ret);
+                       return ret;
+               }
+               usleep_range(5000, 5100);
+       break;
+       case SND_SOC_DAPM_POST_PMD:
+               if (priv->tdm_mode) {
+                       regmap_update_bits(priv->regmap, CS35L34_PWRCTL3,
+                                       CS35L34_PDN_TDM, CS35L34_PDN_TDM);
+               }
+               ret = regmap_update_bits(priv->regmap, CS35L34_PWRCTL1,
+                                       CS35L34_PDN_ALL, CS35L34_PDN_ALL);
+       break;
+       default:
+               pr_err("Invalid event = 0x%x\n", event);
+       }
+       return 0;
+}
+
+static int cs35l34_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
+                               unsigned int rx_mask, int slots, int slot_width)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct cs35l34_private *priv = snd_soc_codec_get_drvdata(codec);
+       unsigned int reg, bit_pos;
+       int slot, slot_num;
+
+       if (slot_width != 8)
+               return -EINVAL;
+
+       priv->tdm_mode = true;
+       /* scan rx_mask for aud slot */
+       slot = ffs(rx_mask) - 1;
+       if (slot >= 0)
+               snd_soc_update_bits(codec, CS35L34_TDM_RX_CTL_1_AUDIN,
+                                       CS35L34_X_LOC, slot);
+
+       /* scan tx_mask: vmon(2 slots); imon (2 slots); vpmon (1 slot)
+        * vbstmon (1 slot)
+        */
+       slot = ffs(tx_mask) - 1;
+       slot_num = 0;
+
+       /* disable vpmon/vbstmon: enable later if set in tx_mask */
+       snd_soc_update_bits(codec, CS35L34_TDM_TX_CTL_3_VPMON,
+                               CS35L34_X_STATE | CS35L34_X_LOC,
+                               CS35L34_X_STATE | CS35L34_X_LOC);
+       snd_soc_update_bits(codec, CS35L34_TDM_TX_CTL_4_VBSTMON,
+                               CS35L34_X_STATE | CS35L34_X_LOC,
+                               CS35L34_X_STATE | CS35L34_X_LOC);
+
+       /* disconnect {vp,vbst}_mon routes: eanble later if set in tx_mask*/
+       while (slot >= 0) {
+               /* configure VMON_TX_LOC */
+               if (slot_num == 0)
+                       snd_soc_update_bits(codec, CS35L34_TDM_TX_CTL_1_VMON,
+                                       CS35L34_X_STATE | CS35L34_X_LOC, slot);
+
+               /* configure IMON_TX_LOC */
+               if (slot_num == 4) {
+                       snd_soc_update_bits(codec, CS35L34_TDM_TX_CTL_2_IMON,
+                                       CS35L34_X_STATE | CS35L34_X_LOC, slot);
+               }
+               /* configure VPMON_TX_LOC */
+               if (slot_num == 3) {
+                       snd_soc_update_bits(codec, CS35L34_TDM_TX_CTL_3_VPMON,
+                                       CS35L34_X_STATE | CS35L34_X_LOC, slot);
+               }
+               /* configure VBSTMON_TX_LOC */
+               if (slot_num == 7) {
+                       snd_soc_update_bits(codec,
+                               CS35L34_TDM_TX_CTL_4_VBSTMON,
+                               CS35L34_X_STATE | CS35L34_X_LOC, slot);
+               }
+
+               /* Enable the relevant tx slot */
+               reg = CS35L34_TDM_TX_SLOT_EN_4 - (slot/8);
+               bit_pos = slot - ((slot / 8) * (8));
+               snd_soc_update_bits(codec, reg,
+                       1 << bit_pos, 1 << bit_pos);
+
+               tx_mask &= ~(1 << slot);
+               slot = ffs(tx_mask) - 1;
+               slot_num++;
+       }
+
+       return 0;
+}
+
+static int cs35l34_main_amp_event(struct snd_soc_dapm_widget *w,
+               struct snd_kcontrol *kcontrol, int event)
+{
+       struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+       struct cs35l34_private *priv = snd_soc_codec_get_drvdata(codec);
+
+       switch (event) {
+       case SND_SOC_DAPM_POST_PMU:
+               regmap_update_bits(priv->regmap, CS35L34_BST_CVTR_V_CTL,
+                               CS35L34_BST_CVTL_MASK, priv->pdata.boost_vtge);
+               usleep_range(5000, 5100);
+               regmap_update_bits(priv->regmap, CS35L34_PROTECT_CTL,
+                                               CS35L34_MUTE, 0);
+               break;
+       case SND_SOC_DAPM_POST_PMD:
+               regmap_update_bits(priv->regmap, CS35L34_BST_CVTR_V_CTL,
+                       CS35L34_BST_CVTL_MASK, 0);
+               regmap_update_bits(priv->regmap, CS35L34_PROTECT_CTL,
+                       CS35L34_MUTE, CS35L34_MUTE);
+               usleep_range(5000, 5100);
+               break;
+       default:
+               pr_err("Invalid event = 0x%x\n", event);
+       }
+       return 0;
+}
+
+static DECLARE_TLV_DB_SCALE(dig_vol_tlv, -10200, 50, 0);
+
+static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 300, 100, 0);
+
+
+static const struct snd_kcontrol_new cs35l34_snd_controls[] = {
+       SOC_SINGLE_SX_TLV("Digital Volume", CS35L34_AMP_DIG_VOL,
+                     0, 0x34, 0xE4, dig_vol_tlv),
+       SOC_SINGLE_TLV("Amp Gain Volume", CS35L34_AMP_ANLG_GAIN_CTL,
+                     0, 0xF, 0, amp_gain_tlv),
+};
+
+
+static int cs35l34_mclk_event(struct snd_soc_dapm_widget *w,
+               struct snd_kcontrol *kcontrol, int event)
+{
+       struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+       struct cs35l34_private *priv = snd_soc_codec_get_drvdata(codec);
+       int ret, i;
+       unsigned int reg;
+
+       switch (event) {
+       case SND_SOC_DAPM_PRE_PMD:
+               ret = regmap_read(priv->regmap, CS35L34_AMP_DIG_VOL_CTL,
+                       &reg);
+               if (ret != 0) {
+                       pr_err("%s regmap read failure %d\n", __func__, ret);
+                       return ret;
+               }
+               if (reg & CS35L34_AMP_DIGSFT)
+                       msleep(40);
+               else
+                       usleep_range(2000, 2100);
+
+               for (i = 0; i < PDN_DONE_ATTEMPTS; i++) {
+                       ret = regmap_read(priv->regmap, CS35L34_INT_STATUS_2,
+                               &reg);
+                       if (ret != 0) {
+                               pr_err("%s regmap read failure %d\n",
+                                       __func__, ret);
+                               return ret;
+                       }
+                       if (reg & CS35L34_PDN_DONE)
+                               break;
+
+                       usleep_range(5000, 5100);
+               }
+               if (i == PDN_DONE_ATTEMPTS)
+                       pr_err("%s Device did not power down properly\n",
+                               __func__);
+               break;
+       default:
+               pr_err("Invalid event = 0x%x\n", event);
+               break;
+       }
+       return 0;
+}
+
+static const struct snd_soc_dapm_widget cs35l34_dapm_widgets[] = {
+       SND_SOC_DAPM_AIF_IN_E("SDIN", NULL, 0, CS35L34_PWRCTL3,
+                                       1, 1, cs35l34_sdin_event,
+                                       SND_SOC_DAPM_PRE_PMU |
+                                       SND_SOC_DAPM_POST_PMD),
+       SND_SOC_DAPM_AIF_OUT("SDOUT", NULL, 0, CS35L34_PWRCTL3, 2, 1),
+
+       SND_SOC_DAPM_SUPPLY("EXTCLK", CS35L34_PWRCTL3, 7, 1,
+               cs35l34_mclk_event, SND_SOC_DAPM_PRE_PMD),
+
+       SND_SOC_DAPM_OUTPUT("SPK"),
+
+       SND_SOC_DAPM_INPUT("VP"),
+       SND_SOC_DAPM_INPUT("VPST"),
+       SND_SOC_DAPM_INPUT("ISENSE"),
+       SND_SOC_DAPM_INPUT("VSENSE"),
+
+       SND_SOC_DAPM_ADC("VMON ADC", NULL, CS35L34_PWRCTL2, 7, 1),
+       SND_SOC_DAPM_ADC("IMON ADC", NULL, CS35L34_PWRCTL2, 6, 1),
+       SND_SOC_DAPM_ADC("VPMON ADC", NULL, CS35L34_PWRCTL3, 3, 1),
+       SND_SOC_DAPM_ADC("VBSTMON ADC", NULL, CS35L34_PWRCTL3, 4, 1),
+       SND_SOC_DAPM_ADC("CLASS H", NULL, CS35L34_PWRCTL2, 5, 1),
+       SND_SOC_DAPM_ADC("BOOST", NULL, CS35L34_PWRCTL2, 2, 1),
+
+       SND_SOC_DAPM_OUT_DRV_E("Main AMP", CS35L34_PWRCTL2, 0, 1, NULL, 0,
+               cs35l34_main_amp_event, SND_SOC_DAPM_POST_PMU |
+                       SND_SOC_DAPM_POST_PMD),
+};
+
+static const struct snd_soc_dapm_route cs35l34_audio_map[] = {
+       {"SDIN", NULL, "AMP Playback"},
+       {"BOOST", NULL, "SDIN"},
+       {"CLASS H", NULL, "BOOST"},
+       {"Main AMP", NULL, "CLASS H"},
+       {"SPK", NULL, "Main AMP"},
+
+       {"VPMON ADC", NULL, "CLASS H"},
+       {"VBSTMON ADC", NULL, "CLASS H"},
+       {"SPK", NULL, "VPMON ADC"},
+       {"SPK", NULL, "VBSTMON ADC"},
+
+       {"IMON ADC", NULL, "ISENSE"},
+       {"VMON ADC", NULL, "VSENSE"},
+       {"SDOUT", NULL, "IMON ADC"},
+       {"SDOUT", NULL, "VMON ADC"},
+       {"AMP Capture", NULL, "SDOUT"},
+
+       {"SDIN", NULL, "EXTCLK"},
+       {"SDOUT", NULL, "EXTCLK"},
+};
+
+struct cs35l34_mclk_div {
+       int mclk;
+       int srate;
+       u8 adsp_rate;
+};
+
+static struct cs35l34_mclk_div cs35l34_mclk_coeffs[] = {
+
+       /* MCLK, Sample Rate, adsp_rate */
+
+       {5644800, 11025, 0x1},
+       {5644800, 22050, 0x4},
+       {5644800, 44100, 0x7},
+
+       {6000000,  8000, 0x0},
+       {6000000, 11025, 0x1},
+       {6000000, 12000, 0x2},
+       {6000000, 16000, 0x3},
+       {6000000, 22050, 0x4},
+       {6000000, 24000, 0x5},
+       {6000000, 32000, 0x6},
+       {6000000, 44100, 0x7},
+       {6000000, 48000, 0x8},
+
+       {6144000,  8000, 0x0},
+       {6144000, 11025, 0x1},
+       {6144000, 12000, 0x2},
+       {6144000, 16000, 0x3},
+       {6144000, 22050, 0x4},
+       {6144000, 24000, 0x5},
+       {6144000, 32000, 0x6},
+       {6144000, 44100, 0x7},
+       {6144000, 48000, 0x8},
+};
+
+static int cs35l34_get_mclk_coeff(int mclk, int srate)
+{
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(cs35l34_mclk_coeffs); i++) {
+               if (cs35l34_mclk_coeffs[i].mclk == mclk &&
+                       cs35l34_mclk_coeffs[i].srate == srate)
+                       return i;
+       }
+       return -EINVAL;
+}
+
+static int cs35l34_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+       struct snd_soc_codec *codec = codec_dai->codec;
+       struct cs35l34_private *priv = snd_soc_codec_get_drvdata(codec);
+
+       switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+       case SND_SOC_DAIFMT_CBM_CFM:
+               regmap_update_bits(priv->regmap, CS35L34_ADSP_CLK_CTL,
+                                   0x80, 0x80);
+               break;
+       case SND_SOC_DAIFMT_CBS_CFS:
+               regmap_update_bits(priv->regmap, CS35L34_ADSP_CLK_CTL,
+                                   0x80, 0x00);
+               break;
+       default:
+               return -EINVAL;
+       }
+       return 0;
+}
+
+static int cs35l34_pcm_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;
+       struct cs35l34_private *priv = snd_soc_codec_get_drvdata(codec);
+       int srate = params_rate(params);
+       int ret;
+
+       int coeff = cs35l34_get_mclk_coeff(priv->mclk_int, srate);
+
+       if (coeff < 0) {
+               dev_err(codec->dev, "ERROR: Invalid mclk %d and/or srate %d\n",
+                       priv->mclk_int, srate);
+               return coeff;
+       }
+
+       ret = regmap_update_bits(priv->regmap, CS35L34_ADSP_CLK_CTL,
+               CS35L34_ADSP_RATE, cs35l34_mclk_coeffs[coeff].adsp_rate);
+       if (ret != 0)
+               dev_err(codec->dev, "Failed to set clock state %d\n", ret);
+
+       return ret;
+}
+
+static unsigned int cs35l34_src_rates[] = {
+       8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000
+};
+
+
+static struct snd_pcm_hw_constraint_list cs35l34_constraints = {
+       .count  = ARRAY_SIZE(cs35l34_src_rates),
+       .list   = cs35l34_src_rates,
+};
+
+static int cs35l34_pcm_startup(struct snd_pcm_substream *substream,
+                              struct snd_soc_dai *dai)
+{
+
+       snd_pcm_hw_constraint_list(substream->runtime, 0,
+                               SNDRV_PCM_HW_PARAM_RATE, &cs35l34_constraints);
+       return 0;
+}
+
+
+static int cs35l34_set_tristate(struct snd_soc_dai *dai, int tristate)
+{
+
+       struct snd_soc_codec *codec = dai->codec;
+
+       if (tristate)
+               snd_soc_update_bits(codec, CS35L34_PWRCTL3,
+                                       CS35L34_PDN_SDOUT, CS35L34_PDN_SDOUT);
+       else
+               snd_soc_update_bits(codec, CS35L34_PWRCTL3,
+                                       CS35L34_PDN_SDOUT, 0);
+       return 0;
+}
+
+static int cs35l34_dai_set_sysclk(struct snd_soc_dai *dai,
+                               int clk_id, unsigned int freq, int dir)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct cs35l34_private *cs35l34 = snd_soc_codec_get_drvdata(codec);
+       unsigned int value;
+
+       switch (freq) {
+       case CS35L34_MCLK_5644:
+               value = ~CS35L34_MCLK_DIV & CS35L34_MCLK_RATE_5P6448;
+               cs35l34->mclk_int = freq;
+       break;
+       case CS35L34_MCLK_6:
+               value = ~CS35L34_MCLK_DIV & CS35L34_MCLK_RATE_6P0000;
+               cs35l34->mclk_int = freq;
+       break;
+       case CS35L34_MCLK_6144:
+               value = ~CS35L34_MCLK_DIV & CS35L34_MCLK_RATE_6P1440;
+               cs35l34->mclk_int = freq;
+       break;
+       case CS35L34_MCLK_11289:
+               value = CS35L34_MCLK_DIV | CS35L34_MCLK_RATE_5P6448;
+               cs35l34->mclk_int = freq / 2;
+       break;
+       case CS35L34_MCLK_12:
+               value = CS35L34_MCLK_DIV | CS35L34_MCLK_RATE_6P0000;
+               cs35l34->mclk_int = freq / 2;
+       break;
+       case CS35L34_MCLK_12288:
+               value = CS35L34_MCLK_DIV | CS35L34_MCLK_RATE_6P1440;
+               cs35l34->mclk_int = freq / 2;
+       break;
+       default:
+               dev_err(codec->dev, "ERROR: Invalid Frequency %d\n", freq);
+               cs35l34->mclk_int = 0;
+               return -EINVAL;
+       }
+       regmap_update_bits(cs35l34->regmap, CS35L34_MCLK_CTL,
+                       CS35L34_MCLK_DIV | CS35L34_MCLK_RATE_MASK, value);
+       return 0;
+}
+
+static const struct snd_soc_dai_ops cs35l34_ops = {
+       .startup = cs35l34_pcm_startup,
+       .set_tristate = cs35l34_set_tristate,
+       .set_fmt = cs35l34_set_dai_fmt,
+       .hw_params = cs35l34_pcm_hw_params,
+       .set_sysclk = cs35l34_dai_set_sysclk,
+       .set_tdm_slot = cs35l34_set_tdm_slot,
+};
+
+static struct snd_soc_dai_driver cs35l34_dai = {
+               .name = "cs35l34",
+               .id = 0,
+               .playback = {
+                       .stream_name = "AMP Playback",
+                       .channels_min = 1,
+                       .channels_max = 8,
+                       .rates = CS35L34_RATES,
+                       .formats = CS35L34_FORMATS,
+               },
+               .capture = {
+                       .stream_name = "AMP Capture",
+                       .channels_min = 1,
+                       .channels_max = 8,
+                       .rates = CS35L34_RATES,
+                       .formats = CS35L34_FORMATS,
+               },
+               .ops = &cs35l34_ops,
+               .symmetric_rates = 1,
+};
+
+static int cs35l34_boost_inductor(struct cs35l34_private *cs35l34,
+       unsigned int inductor)
+{
+       struct snd_soc_codec *codec = cs35l34->codec;
+
+       switch (inductor) {
+       case 1000: /* 1 uH */
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_COEF_1, 0x24);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_COEF_2, 0x24);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_SLOPE_COMP,
+                       0x4E);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_SW_FREQ, 0);
+               break;
+       case 1200: /* 1.2 uH */
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_COEF_1, 0x20);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_COEF_2, 0x20);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_SLOPE_COMP,
+                       0x47);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_SW_FREQ, 1);
+               break;
+       case 1500: /* 1.5uH */
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_COEF_1, 0x20);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_COEF_2, 0x20);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_SLOPE_COMP,
+                       0x3C);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_SW_FREQ, 2);
+               break;
+       case 2200: /* 2.2uH */
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_COEF_1, 0x19);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_COEF_2, 0x25);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_SLOPE_COMP,
+                       0x23);
+               regmap_write(cs35l34->regmap, CS35L34_BST_CONV_SW_FREQ, 3);
+               break;
+       default:
+               dev_err(codec->dev, "%s Invalid Inductor Value %d uH\n",
+                       __func__, inductor);
+               return -EINVAL;
+       }
+       return 0;
+}
+
+static int cs35l34_probe(struct snd_soc_codec *codec)
+{
+       int ret = 0;
+       struct cs35l34_private *cs35l34 = snd_soc_codec_get_drvdata(codec);
+
+       pm_runtime_get_sync(codec->dev);
+
+       /* Set over temperature warning attenuation to 6 dB */
+       regmap_update_bits(cs35l34->regmap, CS35L34_PROTECT_CTL,
+                CS35L34_OTW_ATTN_MASK, 0x8);
+
+       /* Set Power control registers 2 and 3 to have everything
+        * powered down at initialization
+        */
+       regmap_write(cs35l34->regmap, CS35L34_PWRCTL2, 0xFD);
+       regmap_write(cs35l34->regmap, CS35L34_PWRCTL3, 0x1F);
+
+       /* Set mute bit at startup */
+       regmap_update_bits(cs35l34->regmap, CS35L34_PROTECT_CTL,
+                               CS35L34_MUTE, CS35L34_MUTE);
+
+       /* Set Platform Data */
+       if (cs35l34->pdata.boost_peak)
+               regmap_update_bits(cs35l34->regmap, CS35L34_BST_PEAK_I,
+                               CS35L34_BST_PEAK_MASK,
+                               cs35l34->pdata.boost_peak);
+
+       if (cs35l34->pdata.gain_zc_disable)
+               regmap_update_bits(cs35l34->regmap, CS35L34_PROTECT_CTL,
+                       CS35L34_GAIN_ZC_MASK, 0);
+       else
+               regmap_update_bits(cs35l34->regmap, CS35L34_PROTECT_CTL,
+                       CS35L34_GAIN_ZC_MASK, CS35L34_GAIN_ZC_MASK);
+
+       if (cs35l34->pdata.aif_half_drv)
+               regmap_update_bits(cs35l34->regmap, CS35L34_ADSP_CLK_CTL,
+                       CS35L34_ADSP_DRIVE, 0);
+
+       if (cs35l34->pdata.digsft_disable)
+               regmap_update_bits(cs35l34->regmap, CS35L34_AMP_DIG_VOL_CTL,
+                       CS35L34_AMP_DIGSFT, 0);
+
+       if (cs35l34->pdata.amp_inv)
+               regmap_update_bits(cs35l34->regmap, CS35L34_AMP_DIG_VOL_CTL,
+                       CS35L34_INV, CS35L34_INV);
+
+       if (cs35l34->pdata.boost_ind)
+               ret = cs35l34_boost_inductor(cs35l34, cs35l34->pdata.boost_ind);
+
+       if (cs35l34->pdata.i2s_sdinloc)
+               regmap_update_bits(cs35l34->regmap, CS35L34_ADSP_I2S_CTL,
+                       CS35L34_I2S_LOC_MASK,
+                       cs35l34->pdata.i2s_sdinloc << CS35L34_I2S_LOC_SHIFT);
+
+       if (cs35l34->pdata.tdm_rising_edge)
+               regmap_update_bits(cs35l34->regmap, CS35L34_ADSP_TDM_CTL,
+                       1, 1);
+
+       pm_runtime_put_sync(codec->dev);
+
+       return ret;
+}
+
+
+static struct snd_soc_codec_driver soc_codec_dev_cs35l34 = {
+       .probe = cs35l34_probe,
+
+       .component_driver = {
+               .dapm_widgets = cs35l34_dapm_widgets,
+               .num_dapm_widgets = ARRAY_SIZE(cs35l34_dapm_widgets),
+               .dapm_routes = cs35l34_audio_map,
+               .num_dapm_routes = ARRAY_SIZE(cs35l34_audio_map),
+               .controls = cs35l34_snd_controls,
+               .num_controls = ARRAY_SIZE(cs35l34_snd_controls),
+       },
+};
+
+static struct regmap_config cs35l34_regmap = {
+       .reg_bits = 8,
+       .val_bits = 8,
+
+       .max_register = CS35L34_MAX_REGISTER,
+       .reg_defaults = cs35l34_reg,
+       .num_reg_defaults = ARRAY_SIZE(cs35l34_reg),
+       .volatile_reg = cs35l34_volatile_register,
+       .readable_reg = cs35l34_readable_register,
+       .precious_reg = cs35l34_precious_register,
+       .cache_type = REGCACHE_RBTREE,
+};
+
+static int cs35l34_handle_of_data(struct i2c_client *i2c_client,
+                               struct cs35l34_platform_data *pdata)
+{
+       struct device_node *np = i2c_client->dev.of_node;
+       unsigned int val;
+
+       if (of_property_read_u32(np, "cirrus,boost-vtge-millivolt",
+               &val) >= 0) {
+               /* Boost Voltage has a maximum of 8V */
+               if (val > 8000 || (val < 3300 && val > 0)) {
+                       dev_err(&i2c_client->dev,
+                               "Invalid Boost Voltage %d mV\n", val);
+                       return -EINVAL;
+               }
+               if (val == 0)
+                       pdata->boost_vtge = 0; /* Use VP */
+               else
+                       pdata->boost_vtge = ((val - 3300)/100) + 1;
+       } else {
+               dev_warn(&i2c_client->dev,
+                       "Boost Voltage not specified. Using VP\n");
+       }
+
+       if (of_property_read_u32(np, "cirrus,boost-ind-nanohenry", &val) >= 0) {
+               pdata->boost_ind = val;
+       } else {
+               dev_err(&i2c_client->dev, "Inductor not specified.\n");
+               return -EINVAL;
+       }
+
+       if (of_property_read_u32(np, "cirrus,boost-peak-milliamp", &val) >= 0) {
+               if (val > 3840 || val < 1200) {
+                       dev_err(&i2c_client->dev,
+                               "Invalid Boost Peak Current %d mA\n", val);
+                       return -EINVAL;
+               }
+               pdata->boost_peak = ((val - 1200)/80) + 1;
+       }
+
+       pdata->aif_half_drv = of_property_read_bool(np,
+               "cirrus,aif-half-drv");
+       pdata->digsft_disable = of_property_read_bool(np,
+               "cirrus,digsft-disable");
+
+       pdata->gain_zc_disable = of_property_read_bool(np,
+               "cirrus,gain-zc-disable");
+       pdata->amp_inv = of_property_read_bool(np, "cirrus,amp-inv");
+
+       if (of_property_read_u32(np, "cirrus,i2s-sdinloc", &val) >= 0)
+               pdata->i2s_sdinloc = val;
+       if (of_property_read_u32(np, "cirrus,tdm-rising-edge", &val) >= 0)
+               pdata->tdm_rising_edge = val;
+
+       return 0;
+}
+
+static irqreturn_t cs35l34_irq_thread(int irq, void *data)
+{
+       struct cs35l34_private *cs35l34 = data;
+       struct snd_soc_codec *codec = cs35l34->codec;
+       unsigned int sticky1, sticky2, sticky3, sticky4;
+       unsigned int mask1, mask2, mask3, mask4, current1;
+
+
+       /* ack the irq by reading all status registers */
+       regmap_read(cs35l34->regmap, CS35L34_INT_STATUS_4, &sticky4);
+       regmap_read(cs35l34->regmap, CS35L34_INT_STATUS_3, &sticky3);
+       regmap_read(cs35l34->regmap, CS35L34_INT_STATUS_2, &sticky2);
+       regmap_read(cs35l34->regmap, CS35L34_INT_STATUS_1, &sticky1);
+
+       regmap_read(cs35l34->regmap, CS35L34_INT_MASK_4, &mask4);
+       regmap_read(cs35l34->regmap, CS35L34_INT_MASK_3, &mask3);
+       regmap_read(cs35l34->regmap, CS35L34_INT_MASK_2, &mask2);
+       regmap_read(cs35l34->regmap, CS35L34_INT_MASK_1, &mask1);
+
+       if (!(sticky1 & ~mask1) && !(sticky2 & ~mask2) && !(sticky3 & ~mask3)
+               && !(sticky4 & ~mask4))
+               return IRQ_NONE;
+
+       regmap_read(cs35l34->regmap, CS35L34_INT_STATUS_1, &current1);
+
+       if (sticky1 & CS35L34_CAL_ERR) {
+               dev_err(codec->dev, "Cal error\n");
+
+               /* error is no longer asserted; safe to reset */
+               if (!(current1 & CS35L34_CAL_ERR)) {
+                       dev_dbg(codec->dev, "Cal error release\n");
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_CAL_ERR_RLS, 0);
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_CAL_ERR_RLS,
+                                       CS35L34_CAL_ERR_RLS);
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_CAL_ERR_RLS, 0);
+                       /* note: amp will re-calibrate on next resume */
+               }
+       }
+
+       if (sticky1 & CS35L34_ALIVE_ERR)
+               dev_err(codec->dev, "Alive error\n");
+
+       if (sticky1 & CS35L34_AMP_SHORT) {
+               dev_crit(codec->dev, "Amp short error\n");
+
+               /* error is no longer asserted; safe to reset */
+               if (!(current1 & CS35L34_AMP_SHORT)) {
+                       dev_dbg(codec->dev,
+                               "Amp short error release\n");
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_SHORT_RLS, 0);
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_SHORT_RLS,
+                                       CS35L34_SHORT_RLS);
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_SHORT_RLS, 0);
+               }
+       }
+
+       if (sticky1 & CS35L34_OTW) {
+               dev_crit(codec->dev, "Over temperature warning\n");
+
+               /* error is no longer asserted; safe to reset */
+               if (!(current1 & CS35L34_OTW)) {
+                       dev_dbg(codec->dev,
+                               "Over temperature warning release\n");
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_OTW_RLS, 0);
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_OTW_RLS,
+                                       CS35L34_OTW_RLS);
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_OTW_RLS, 0);
+               }
+       }
+
+       if (sticky1 & CS35L34_OTE) {
+               dev_crit(codec->dev, "Over temperature error\n");
+
+               /* error is no longer asserted; safe to reset */
+               if (!(current1 & CS35L34_OTE)) {
+                       dev_dbg(codec->dev,
+                               "Over temperature error release\n");
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_OTE_RLS, 0);
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_OTE_RLS,
+                                       CS35L34_OTE_RLS);
+                       regmap_update_bits(cs35l34->regmap,
+                                       CS35L34_PROT_RELEASE_CTL,
+                                       CS35L34_OTE_RLS, 0);
+               }
+       }
+
+       if (sticky3 & CS35L34_BST_HIGH) {
+               dev_crit(codec->dev, "VBST too high error; powering off!\n");
+               regmap_update_bits(cs35l34->regmap, CS35L34_PWRCTL2,
+                               CS35L34_PDN_AMP, CS35L34_PDN_AMP);
+               regmap_update_bits(cs35l34->regmap, CS35L34_PWRCTL1,
+                               CS35L34_PDN_ALL, CS35L34_PDN_ALL);
+       }
+
+       if (sticky3 & CS35L34_LBST_SHORT) {
+               dev_crit(codec->dev, "LBST short error; powering off!\n");
+               regmap_update_bits(cs35l34->regmap, CS35L34_PWRCTL2,
+                               CS35L34_PDN_AMP, CS35L34_PDN_AMP);
+               regmap_update_bits(cs35l34->regmap, CS35L34_PWRCTL1,
+                               CS35L34_PDN_ALL, CS35L34_PDN_ALL);
+       }
+
+       return IRQ_HANDLED;
+}
+
+static const char * const cs35l34_core_supplies[] = {
+       "VA",
+       "VP",
+};
+
+static int cs35l34_i2c_probe(struct i2c_client *i2c_client,
+                             const struct i2c_device_id *id)
+{
+       struct cs35l34_private *cs35l34;
+       struct cs35l34_platform_data *pdata =
+               dev_get_platdata(&i2c_client->dev);
+       int i;
+       int ret;
+       unsigned int devid = 0;
+       unsigned int reg;
+
+       cs35l34 = devm_kzalloc(&i2c_client->dev,
+                              sizeof(struct cs35l34_private),
+                              GFP_KERNEL);
+       if (!cs35l34) {
+               dev_err(&i2c_client->dev, "could not allocate codec\n");
+               return -ENOMEM;
+       }
+
+       i2c_set_clientdata(i2c_client, cs35l34);
+       cs35l34->regmap = devm_regmap_init_i2c(i2c_client, &cs35l34_regmap);
+       if (IS_ERR(cs35l34->regmap)) {
+               ret = PTR_ERR(cs35l34->regmap);
+               dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
+               return ret;
+       }
+
+       cs35l34->num_core_supplies = ARRAY_SIZE(cs35l34_core_supplies);
+       for (i = 0; i < ARRAY_SIZE(cs35l34_core_supplies); i++)
+               cs35l34->core_supplies[i].supply = cs35l34_core_supplies[i];
+
+       ret = devm_regulator_bulk_get(&i2c_client->dev,
+               cs35l34->num_core_supplies,
+               cs35l34->core_supplies);
+       if (ret != 0) {
+               dev_err(&i2c_client->dev,
+                       "Failed to request core supplies %d\n", ret);
+               return ret;
+       }
+
+       ret = regulator_bulk_enable(cs35l34->num_core_supplies,
+                                       cs35l34->core_supplies);
+       if (ret != 0) {
+               dev_err(&i2c_client->dev,
+                       "Failed to enable core supplies: %d\n", ret);
+               return ret;
+       }
+
+       if (pdata) {
+               cs35l34->pdata = *pdata;
+       } else {
+               pdata = devm_kzalloc(&i2c_client->dev,
+                               sizeof(struct cs35l34_platform_data),
+                               GFP_KERNEL);
+               if (!pdata) {
+                       dev_err(&i2c_client->dev,
+                               "could not allocate pdata\n");
+                       return -ENOMEM;
+               }
+               if (i2c_client->dev.of_node) {
+                       ret = cs35l34_handle_of_data(i2c_client, pdata);
+                       if (ret != 0)
+                               return ret;
+
+               }
+               cs35l34->pdata = *pdata;
+       }
+
+       ret = devm_request_threaded_irq(&i2c_client->dev, i2c_client->irq, NULL,
+                       cs35l34_irq_thread, IRQF_ONESHOT | IRQF_TRIGGER_LOW,
+                       "cs35l34", cs35l34);
+       if (ret != 0)
+               dev_err(&i2c_client->dev, "Failed to request IRQ: %d\n", ret);
+
+       cs35l34->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev,
+                               "reset-gpios", GPIOD_OUT_LOW);
+       if (IS_ERR(cs35l34->reset_gpio))
+               return PTR_ERR(cs35l34->reset_gpio);
+
+       gpiod_set_value_cansleep(cs35l34->reset_gpio, 1);
+
+       msleep(CS35L34_START_DELAY);
+
+       ret = regmap_read(cs35l34->regmap, CS35L34_DEVID_AB, &reg);
+
+       devid = (reg & 0xFF) << 12;
+       ret = regmap_read(cs35l34->regmap, CS35L34_DEVID_CD, &reg);
+       devid |= (reg & 0xFF) << 4;
+       ret = regmap_read(cs35l34->regmap, CS35L34_DEVID_E, &reg);
+       devid |= (reg & 0xF0) >> 4;
+
+       if (devid != CS35L34_CHIP_ID) {
+               dev_err(&i2c_client->dev,
+                       "CS35l34 Device ID (%X). Expected ID %X\n",
+                       devid, CS35L34_CHIP_ID);
+               ret = -ENODEV;
+               goto err_regulator;
+       }
+
+       ret = regmap_read(cs35l34->regmap, CS35L34_REV_ID, &reg);
+       if (ret < 0) {
+               dev_err(&i2c_client->dev, "Get Revision ID failed\n");
+               goto err_regulator;
+       }
+
+       dev_info(&i2c_client->dev,
+                "Cirrus Logic CS35l34 (%x), Revision: %02X\n", devid,
+               reg & 0xFF);
+
+       /* Unmask critical interrupts */
+       regmap_update_bits(cs35l34->regmap, CS35L34_INT_MASK_1,
+                               CS35L34_M_CAL_ERR | CS35L34_M_ALIVE_ERR |
+                               CS35L34_M_AMP_SHORT | CS35L34_M_OTW |
+                               CS35L34_M_OTE, 0);
+       regmap_update_bits(cs35l34->regmap, CS35L34_INT_MASK_3,
+                               CS35L34_M_BST_HIGH | CS35L34_M_LBST_SHORT, 0);
+
+       pm_runtime_set_autosuspend_delay(&i2c_client->dev, 100);
+       pm_runtime_use_autosuspend(&i2c_client->dev);
+       pm_runtime_set_active(&i2c_client->dev);
+       pm_runtime_enable(&i2c_client->dev);
+
+       ret =  snd_soc_register_codec(&i2c_client->dev,
+                       &soc_codec_dev_cs35l34, &cs35l34_dai, 1);
+       if (ret < 0) {
+               dev_err(&i2c_client->dev,
+                       "%s: Register codec failed\n", __func__);
+               goto err_regulator;
+       }
+
+       return 0;
+
+err_regulator:
+       regulator_bulk_disable(cs35l34->num_core_supplies,
+               cs35l34->core_supplies);
+
+       return ret;
+}
+
+static int cs35l34_i2c_remove(struct i2c_client *client)
+{
+       struct cs35l34_private *cs35l34 = i2c_get_clientdata(client);
+
+       snd_soc_unregister_codec(&client->dev);
+
+       if (cs35l34->reset_gpio)
+               gpiod_set_value_cansleep(cs35l34->reset_gpio, 0);
+
+       pm_runtime_disable(&client->dev);
+       regulator_bulk_disable(cs35l34->num_core_supplies,
+               cs35l34->core_supplies);
+
+       return 0;
+}
+
+static int __maybe_unused cs35l34_runtime_resume(struct device *dev)
+{
+       struct cs35l34_private *cs35l34 = dev_get_drvdata(dev);
+       int ret;
+
+       ret = regulator_bulk_enable(cs35l34->num_core_supplies,
+               cs35l34->core_supplies);
+
+       if (ret != 0) {
+               dev_err(dev, "Failed to enable core supplies: %d\n",
+                       ret);
+               return ret;
+       }
+
+       regcache_cache_only(cs35l34->regmap, false);
+
+       gpiod_set_value_cansleep(cs35l34->reset_gpio, 1);
+       msleep(CS35L34_START_DELAY);
+
+       ret = regcache_sync(cs35l34->regmap);
+       if (ret != 0) {
+               dev_err(dev, "Failed to restore register cache\n");
+               goto err;
+       }
+       return 0;
+err:
+       regcache_cache_only(cs35l34->regmap, true);
+       regulator_bulk_disable(cs35l34->num_core_supplies,
+               cs35l34->core_supplies);
+
+       return ret;
+}
+
+static int __maybe_unused cs35l34_runtime_suspend(struct device *dev)
+{
+       struct cs35l34_private *cs35l34 = dev_get_drvdata(dev);
+
+       regcache_cache_only(cs35l34->regmap, true);
+       regcache_mark_dirty(cs35l34->regmap);
+
+       gpiod_set_value_cansleep(cs35l34->reset_gpio, 0);
+
+       regulator_bulk_disable(cs35l34->num_core_supplies,
+                       cs35l34->core_supplies);
+
+       return 0;
+}
+
+static const struct dev_pm_ops cs35l34_pm_ops = {
+       SET_RUNTIME_PM_OPS(cs35l34_runtime_suspend,
+                          cs35l34_runtime_resume,
+                          NULL)
+};
+
+static const struct of_device_id cs35l34_of_match[] = {
+       {.compatible = "cirrus,cs35l34"},
+       {},
+};
+MODULE_DEVICE_TABLE(of, cs35l34_of_match);
+
+static const struct i2c_device_id cs35l34_id[] = {
+       {"cs35l34", 0},
+       {}
+};
+MODULE_DEVICE_TABLE(i2c, cs35l34_id);
+
+static struct i2c_driver cs35l34_i2c_driver = {
+       .driver = {
+               .name = "cs35l34",
+               .pm = &cs35l34_pm_ops,
+               .of_match_table = cs35l34_of_match,
+
+               },
+       .id_table = cs35l34_id,
+       .probe = cs35l34_i2c_probe,
+       .remove = cs35l34_i2c_remove,
+
+};
+
+static int __init cs35l34_modinit(void)
+{
+       int ret;
+
+       ret = i2c_add_driver(&cs35l34_i2c_driver);
+       if (ret != 0) {
+               pr_err("Failed to register CS35l34 I2C driver: %d\n", ret);
+               return ret;
+       }
+       return 0;
+}
+module_init(cs35l34_modinit);
+
+static void __exit cs35l34_exit(void)
+{
+       i2c_del_driver(&cs35l34_i2c_driver);
+}
+module_exit(cs35l34_exit);
+
+MODULE_DESCRIPTION("ASoC CS35l34 driver");
+MODULE_AUTHOR("Paul Handrigan, Cirrus Logic Inc, <Paul.Handrigan@cirrus.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/cs35l34.h b/sound/soc/codecs/cs35l34.h
new file mode 100644 (file)
index 0000000..bcd54f1
--- /dev/null
@@ -0,0 +1,269 @@
+/*
+ * cs35l34.h -- CS35L34 ALSA SoC audio driver
+ *
+ * Copyright 2016 Cirrus Logic, Inc.
+ *
+ * Author: Paul Handrigan <Paul.Handrigan@cirrus.com>
+ *
+ * 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.
+ *
+ */
+
+#ifndef __CS35L34_H__
+#define __CS35L34_H__
+
+#define CS35L34_CHIP_ID                        0x00035A34
+#define CS35L34_DEVID_AB               0x01    /* Device ID A & B [RO] */
+#define CS35L34_DEVID_CD               0x02    /* Device ID C & D [RO] */
+#define CS35L34_DEVID_E                        0x03    /* Device ID E [RO] */
+#define CS35L34_FAB_ID                 0x04    /* Fab ID [RO] */
+#define CS35L34_REV_ID                 0x05    /* Revision ID [RO] */
+#define CS35L34_PWRCTL1                        0x06    /* Power Ctl 1 */
+#define CS35L34_PWRCTL2                        0x07    /* Power Ctl 2 */
+#define CS35L34_PWRCTL3                        0x08    /* Power Ctl 3 */
+#define CS35L34_ADSP_CLK_CTL           0x0A    /* (ADSP) Clock Ctl */
+#define CS35L34_MCLK_CTL               0x0B    /* Master Clocking Ctl */
+#define CS35L34_AMP_INP_DRV_CTL                0x14    /* Amp Input Drive Ctl */
+#define CS35L34_AMP_DIG_VOL_CTL                0x15    /* Amplifier Dig Volume Ctl */
+#define CS35L34_AMP_DIG_VOL            0x16    /* Amplifier Dig Volume */
+#define CS35L34_AMP_ANLG_GAIN_CTL      0x17    /* Amplifier Analog Gain Ctl */
+#define CS35L34_PROTECT_CTL            0x18    /* Amp Gain - Prot Ctl Param */
+#define CS35L34_AMP_KEEP_ALIVE_CTL     0x1A    /* Amplifier Keep Alive Ctl */
+#define CS35L34_BST_CVTR_V_CTL         0x1D    /* Boost Conv Voltage Ctl */
+#define CS35L34_BST_PEAK_I             0x1E    /* Boost Conv Peak Current */
+#define CS35L34_BST_RAMP_CTL           0x20    /* Boost Conv Soft Ramp Ctl */
+#define CS35L34_BST_CONV_COEF_1                0x21    /* Boost Conv Coefficients 1 */
+#define CS35L34_BST_CONV_COEF_2                0x22    /* Boost Conv Coefficients 2 */
+#define CS35L34_BST_CONV_SLOPE_COMP    0x23    /* Boost Conv Slope Comp */
+#define CS35L34_BST_CONV_SW_FREQ       0x24    /* Boost Conv L BST SW Freq */
+#define CS35L34_CLASS_H_CTL            0x30    /* CLS H Control */
+#define CS35L34_CLASS_H_HEADRM_CTL     0x31    /* CLS H Headroom Ctl */
+#define CS35L34_CLASS_H_RELEASE_RATE   0x32    /* CLS H Release Rate */
+#define CS35L34_CLASS_H_FET_DRIVE_CTL  0x33    /* CLS H Weak FET Drive Ctl */
+#define CS35L34_CLASS_H_STATUS         0x38    /* CLS H Status */
+#define CS35L34_VPBR_CTL               0x3A    /* VPBR Ctl */
+#define CS35L34_VPBR_VOL_CTL           0x3B    /* VPBR Volume Ctl */
+#define CS35L34_VPBR_TIMING_CTL                0x3C    /* VPBR Timing Ctl */
+#define CS35L34_PRED_MAX_ATTEN_SPK_LOAD        0x40    /* PRD Max Atten / Spkr Load */
+#define CS35L34_PRED_BROWNOUT_THRESH   0x41    /* PRD Brownout Threshold */
+#define CS35L34_PRED_BROWNOUT_VOL_CTL  0x42    /* PRD Brownout Volume Ctl */
+#define CS35L34_PRED_BROWNOUT_RATE_CTL 0x43    /* PRD Brownout Rate Ctl */
+#define CS35L34_PRED_WAIT_CTL          0x44    /* PRD Wait Ctl */
+#define CS35L34_PRED_ZVP_INIT_IMP_CTL  0x46    /* PRD ZVP Initial Imp Ctl */
+#define CS35L34_PRED_MAN_SAFE_VPI_CTL  0x47    /* PRD Manual Safe VPI Ctl */
+#define CS35L34_VPBR_ATTEN_STATUS      0x4B    /* VPBR Attenuation Status */
+#define CS35L34_PRED_BRWNOUT_ATT_STATUS        0x4C    /* PRD Brownout Atten Status */
+#define CS35L34_SPKR_MON_CTL           0x4E    /* Speaker Monitoring Ctl */
+#define CS35L34_ADSP_I2S_CTL           0x50    /* ADSP I2S Ctl */
+#define CS35L34_ADSP_TDM_CTL           0x51    /* ADSP TDM Ctl */
+#define CS35L34_TDM_TX_CTL_1_VMON      0x52    /* TDM TX Ctl 1 (VMON) */
+#define CS35L34_TDM_TX_CTL_2_IMON      0x53    /* TDM TX Ctl 2 (IMON) */
+#define CS35L34_TDM_TX_CTL_3_VPMON     0x54    /* TDM TX Ctl 3 (VPMON) */
+#define CS35L34_TDM_TX_CTL_4_VBSTMON   0x55    /* TDM TX Ctl 4 (VBSTMON) */
+#define CS35L34_TDM_TX_CTL_5_FLAG1     0x56    /* TDM TX Ctl 5 (FLAG1) */
+#define CS35L34_TDM_TX_CTL_6_FLAG2     0x57    /* TDM TX Ctl 6 (FLAG2) */
+#define CS35L34_TDM_TX_SLOT_EN_1       0x5A    /* TDM TX Slot Enable */
+#define CS35L34_TDM_TX_SLOT_EN_2       0x5B    /* TDM TX Slot Enable */
+#define CS35L34_TDM_TX_SLOT_EN_3       0x5C    /* TDM TX Slot Enable */
+#define CS35L34_TDM_TX_SLOT_EN_4       0x5D    /* TDM TX Slot Enable */
+#define CS35L34_TDM_RX_CTL_1_AUDIN     0x5E    /* TDM RX Ctl 1 */
+#define CS35L34_TDM_RX_CTL_3_ALIVE     0x60    /* TDM RX Ctl 3 (ALIVE) */
+#define CS35L34_MULT_DEV_SYNCH1                0x62    /* Multidevice Synch */
+#define CS35L34_MULT_DEV_SYNCH2                0x63    /* Multidevice Synch 2 */
+#define CS35L34_PROT_RELEASE_CTL       0x64    /* Protection Release Ctl */
+#define CS35L34_DIAG_MODE_REG_LOCK     0x68    /* Diagnostic Mode Reg Lock */
+#define CS35L34_DIAG_MODE_CTL_1                0x69    /* Diagnostic Mode Ctl 1 */
+#define CS35L34_DIAG_MODE_CTL_2                0x6A    /* Diagnostic Mode Ctl 2 */
+#define CS35L34_INT_MASK_1             0x70    /* Interrupt Mask 1 */
+#define CS35L34_INT_MASK_2             0x71    /* Interrupt Mask 2 */
+#define CS35L34_INT_MASK_3             0x72    /* Interrupt Mask 3 */
+#define CS35L34_INT_MASK_4             0x73    /* Interrupt Mask 4 */
+#define CS35L34_INT_STATUS_1           0x74    /* Interrupt Status 1 */
+#define CS35L34_INT_STATUS_2           0x75    /* Interrupt Status 2 */
+#define CS35L34_INT_STATUS_3           0x76    /* Interrupt Status 3 */
+#define CS35L34_INT_STATUS_4           0x77    /* Interrupt Status 4 */
+#define CS35L34_OTP_TRIM_STATUS                0x7E    /* OTP Trim Status */
+
+#define CS35L34_MAX_REGISTER           0x7F
+#define CS35L34_REGISTER_COUNT         0x4E
+
+#define CS35L34_MCLK_5644              5644800
+#define CS35L34_MCLK_6144              6144000
+#define CS35L34_MCLK_6                 6000000
+#define CS35L34_MCLK_11289             11289600
+#define CS35L34_MCLK_12                        12000000
+#define CS35L34_MCLK_12288             12288000
+
+/* CS35L34_PWRCTL1 */
+#define CS35L34_SFT_RST                        (1 << 7)
+#define CS35L34_DISCHG_FLT             (1 << 1)
+#define CS35L34_PDN_ALL                        1
+
+/* CS35L34_PWRCTL2 */
+#define CS35L34_PDN_VMON               (1 << 7)
+#define CS35L34_PDN_IMON               (1 << 6)
+#define CS35L34_PDN_CLASSH             (1 << 5)
+#define CS35L34_PDN_VPBR               (1 << 4)
+#define CS35L34_PDN_PRED               (1 << 3)
+#define CS35L34_PDN_BST                        (1 << 2)
+#define CS35L34_PDN_AMP                        1
+
+/* CS35L34_PWRCTL3 */
+#define CS35L34_MCLK_DIS               (1 << 7)
+#define CS35L34_PDN_VBSTMON_OUT                (1 << 4)
+#define CS35L34_PDN_VMON_OUT           (1 << 3)
+/* Tristate the ADSP SDOUT when in I2C mode */
+#define CS35L34_PDN_SDOUT              (1 << 2)
+#define CS35L34_PDN_SDIN               (1 << 1)
+#define CS35L34_PDN_TDM                        1
+
+/* CS35L34_ADSP_CLK_CTL */
+#define CS35L34_ADSP_RATE              0xF
+#define CS35L34_ADSP_DRIVE             (1 << 4)
+#define CS35L34_ADSP_M_S               (1 << 7)
+
+/* CS35L34_MCLK_CTL */
+#define CS35L34_MCLK_DIV               (1 << 4)
+#define CS35L34_MCLK_RATE_MASK         0x7
+#define CS35L34_MCLK_RATE_6P1440       0x2
+#define CS35L34_MCLK_RATE_6P0000       0x1
+#define CS35L34_MCLK_RATE_5P6448       0x0
+#define CS35L34_MCLKDIS                        (1 << 7)
+#define CS35L34_MCLKDIV2               (1 << 6)
+#define CS35L34_SDOUT_3ST_TDM          (1 << 5)
+#define CS35L34_INT_FS_RATE            (1 << 4)
+#define CS35L34_ADSP_FS                        0xF
+
+/* CS35L34_AMP_INP_DRV_CTL */
+#define CS35L34_DRV_STR_SRC            (1 << 1)
+#define CS35L34_DRV_STR                        1
+
+/* CS35L34_AMP_DIG_VOL_CTL */
+#define CS35L34_AMP_DSR_RATE_MASK      0xF0
+#define CS35L34_AMP_DSR_RATE_SHIFT     (1 << 4)
+#define CS35L34_NOTCH_DIS              (1 << 3)
+#define CS35L34_AMP_DIGSFT             (1 << 1)
+#define CS35L34_INV                    1
+
+/* CS35L34_PROTECT_CTL */
+#define CS35L34_OTW_ATTN_MASK          0xC
+#define CS35L34_OTW_THRD_MASK          0x3
+#define CS35L34_MUTE                   (1 << 5)
+#define CS35L34_GAIN_ZC                        (1 << 4)
+#define CS35L34_GAIN_ZC_MASK           0x10
+#define CS35L34_GAIN_ZC_SHIFT          4
+
+/* CS35L34_AMP_KEEP_ALIVE_CTL */
+#define CS35L34_ALIVE_WD_DIS           (1 << 2)
+
+/* CS35L34_BST_CVTR_V_CTL */
+#define CS35L34_BST_CVTL_MASK          0x3F
+
+/* CS35L34_BST_PEAK_I */
+#define CS35L34_BST_PEAK_MASK          0x3F
+
+/* CS35L34_ADSP_I2S_CTL */
+#define CS35L34_I2S_LOC_MASK           0xC
+#define CS35L34_I2S_LOC_SHIFT          2
+
+/* CS35L34_MULT_DEV_SYNCH2 */
+#define CS35L34_SYNC2_MASK             0xF
+
+/* CS35L34_PROT_RELEASE_CTL */
+#define CS35L34_CAL_ERR_RLS            (1 << 7)
+#define CS35L34_SHORT_RLS              (1 << 2)
+#define CS35L34_OTW_RLS                        (1 << 1)
+#define CS35L34_OTE_RLS                        1
+
+/* CS35L34_INT_MASK_1 */
+#define CS35L34_M_CAL_ERR_SHIFT                7
+#define CS35L34_M_CAL_ERR              (1 << CS35L34_M_CAL_ERR_SHIFT)
+#define CS35L34_M_ALIVE_ERR_SHIFT      5
+#define CS35L34_M_ALIVE_ERR            (1 << CS35L34_M_ALIVE_ERR_SHIFT)
+#define CS35L34_M_ADSP_CLK_SHIFT       4
+#define CS35L34_M_ADSP_CLK_ERR         (1 << CS35L34_M_ADSP_CLK_SHIFT)
+#define CS35L34_M_MCLK_SHIFT           3
+#define CS35L34_M_MCLK_ERR             (1 << CS35L34_M_MCLK_SHIFT)
+#define CS35L34_M_AMP_SHORT_SHIFT      2
+#define CS35L34_M_AMP_SHORT            (1 << CS35L34_M_AMP_SHORT_SHIFT)
+#define CS35L34_M_OTW_SHIFT            1
+#define CS35L34_M_OTW                  (1 << CS35L34_M_OTW_SHIFT)
+#define CS35L34_M_OTE_SHIFT            0
+#define CS35L34_M_OTE                  (1 << CS35L34_M_OTE_SHIFT)
+
+/* CS35L34_INT_MASK_2 */
+#define CS35L34_M_PDN_DONE_SHIFT       4
+#define CS35L34_M_PDN_DONE             (1 << CS35L34_M_PDN_DONE_SHIFT)
+#define CS35L34_M_PRED_SHIFT           3
+#define CS35L34_M_PRED_ERR             (1 << CS35L34_M_PRED_SHIFT)
+#define CS35L34_M_PRED_CLR_SHIFT       2
+#define CS35L34_M_PRED_CLR             (1 << CS35L34_M_PRED_CLR_SHIFT)
+#define CS35L34_M_VPBR_SHIFT           1
+#define CS35L34_M_VPBR_ERR             (1 << CS35L34_M_VPBR_SHIFT)
+#define CS35L34_M_VPBR_CLR_SHIFT       0
+#define CS35L34_M_VPBR_CLR             (1 << CS35L34_M_VPBR_CLR_SHIFT)
+
+/* CS35L34_INT_MASK_3 */
+#define CS35L34_M_BST_HIGH_SHIFT       4
+#define CS35L34_M_BST_HIGH             (1 << CS35L34_M_BST_HIGH_SHIFT)
+#define CS35L34_M_BST_HIGH_FLAG_SHIFT  3
+#define CS35L34_M_BST_HIGH_FLAG                (1 << CS35L34_M_BST_HIGH_FLAG_SHIFT)
+#define CS35L34_M_BST_IPK_FLAG_SHIFT   2
+#define CS35L34_M_BST_IPK_FLAG         (1 << CS35L34_M_BST_IPK_FLAG_SHIFT)
+#define CS35L34_M_LBST_SHORT_SHIFT     0
+#define CS35L34_M_LBST_SHORT           (1 << CS35L34_M_LBST_SHORT_SHIFT)
+
+/* CS35L34_INT_MASK_4 */
+#define CS35L34_M_VMON_OVFL_SHIFT      3
+#define CS35L34_M_VMON_OVFL            (1 << CS35L34_M_VMON_OVFL_SHIFT)
+#define CS35L34_M_IMON_OVFL_SHIFT      2
+#define CS35L34_M_IMON_OVFL            (1 << CS35L34_M_IMON_OVFL_SHIFT)
+#define CS35L34_M_VPMON_OVFL_SHIFT     1
+#define CS35L34_M_VPMON_OVFL           (1 << CS35L34_M_VPMON_OVFL_SHIFT)
+#define CS35L34_M_VBSTMON_OVFL_SHIFT   1
+#define CS35L34_M_VBSTMON_OVFL         (1 << CS35L34_M_VBSTMON_OVFL_SHIFT)
+
+/* CS35L34_INT_1 */
+#define CS35L34_CAL_ERR                        (1 << CS35L34_M_CAL_ERR_SHIFT)
+#define CS35L34_ALIVE_ERR              (1 << CS35L34_M_ALIVE_ERR_SHIFT)
+#define CS35L34_M_ADSP_CLK_ERR         (1 << CS35L34_M_ADSP_CLK_SHIFT)
+#define CS35L34_MCLK_ERR               (1 << CS35L34_M_MCLK_SHIFT)
+#define CS35L34_AMP_SHORT              (1 << CS35L34_M_AMP_SHORT_SHIFT)
+#define CS35L34_OTW                    (1 << CS35L34_M_OTW_SHIFT)
+#define CS35L34_OTE                    (1 << CS35L34_M_OTE_SHIFT)
+
+/* CS35L34_INT_2 */
+#define CS35L34_PDN_DONE               (1 << CS35L34_M_PDN_DONE_SHIFT)
+#define CS35L34_PRED_ERR               (1 << CS35L34_M_PRED_SHIFT)
+#define CS35L34_PRED_CLR               (1 << CS35L34_M_PRED_CLR_SHIFT)
+#define CS35L34_VPBR_ERR               (1 << CS35L34_M_VPBR_SHIFT)
+#define CS35L34_VPBR_CLR               (1 << CS35L34_M_VPBR_CLR_SHIFT)
+
+/* CS35L34_INT_3 */
+#define CS35L34_BST_HIGH               (1 << CS35L34_M_BST_HIGH_SHIFT)
+#define CS35L34_BST_HIGH_FLAG          (1 << CS35L34_M_BST_HIGH_FLAG_SHIFT)
+#define CS35L34_BST_IPK_FLAG           (1 << CS35L34_M_BST_IPK_FLAG_SHIFT)
+#define CS35L34_LBST_SHORT             (1 << CS35L34_M_LBST_SHORT_SHIFT)
+
+/* CS35L34_INT_4 */
+#define CS35L34_VMON_OVFL              (1 << CS35L34_M_VMON_OVFL_SHIFT)
+#define CS35L34_IMON_OVFL              (1 << CS35L34_M_IMON_OVFL_SHIFT)
+#define CS35L34_VPMON_OVFL             (1 << CS35L34_M_VPMON_OVFL_SHIFT)
+#define CS35L34_VBSTMON_OVFL           (1 << CS35L34_M_VBSTMON_OVFL_SHIFT)
+
+/* CS35L34_{RX,TX}_X */
+#define CS35L34_X_STATE_SHIFT          7
+#define CS35L34_X_STATE                        (1 << CS35L34_X_STATE_SHIFT)
+#define CS35L34_X_LOC_SHIFT            0
+#define CS35L34_X_LOC                  (0x1F << CS35L34_X_LOC_SHIFT)
+
+#define CS35L34_RATES (SNDRV_PCM_RATE_48000 | \
+                       SNDRV_PCM_RATE_44100 | \
+                       SNDRV_PCM_RATE_32000)
+#define CS35L34_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
+                       SNDRV_PCM_FMTBIT_S24_LE | \
+                       SNDRV_PCM_FMTBIT_S32_LE)
+
+#endif