Initial import

1 files changed, 1189 insertions, 0 deletions

diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
new file mode 100644
index 000000000..aeec27b6f
--- /dev/null
+++ b/sound/soc/codecs/twl6040.c
@@ -0,0 +1,1189 @@
+/*
+ * ALSA SoC TWL6040 codec driver
+ *
+ * Author:	 Misael Lopez Cruz <x0052729@ti.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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/mfd/twl6040.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+
+#include "twl6040.h"
+
+enum twl6040_dai_id {
+	TWL6040_DAI_LEGACY = 0,
+	TWL6040_DAI_UL,
+	TWL6040_DAI_DL1,
+	TWL6040_DAI_DL2,
+	TWL6040_DAI_VIB,
+};
+
+#define TWL6040_RATES		SNDRV_PCM_RATE_8000_96000
+#define TWL6040_FORMATS	(SNDRV_PCM_FMTBIT_S32_LE)
+
+#define TWL6040_OUTHS_0dB 0x00
+#define TWL6040_OUTHS_M30dB 0x0F
+#define TWL6040_OUTHF_0dB 0x03
+#define TWL6040_OUTHF_M52dB 0x1D
+
+#define TWL6040_CACHEREGNUM	(TWL6040_REG_STATUS + 1)
+
+struct twl6040_jack_data {
+	struct snd_soc_jack *jack;
+	struct delayed_work work;
+	int report;
+};
+
+/* codec private data */
+struct twl6040_data {
+	int plug_irq;
+	int codec_powered;
+	int pll;
+	int pll_power_mode;
+	int hs_power_mode;
+	int hs_power_mode_locked;
+	bool dl1_unmuted;
+	bool dl2_unmuted;
+	u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];
+	unsigned int clk_in;
+	unsigned int sysclk;
+	struct twl6040_jack_data hs_jack;
+	struct snd_soc_codec *codec;
+	struct mutex mutex;
+};
+
+/* set of rates for each pll: low-power and high-performance */
+static const unsigned int lp_rates[] = {
+	8000,
+	11250,
+	16000,
+	22500,
+	32000,
+	44100,
+	48000,
+	88200,
+	96000,
+};
+
+static const unsigned int hp_rates[] = {
+	8000,
+	16000,
+	32000,
+	48000,
+	96000,
+};
+
+static const struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
+	{ .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
+	{ .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
+};
+
+static unsigned int twl6040_read(struct snd_soc_codec *codec, unsigned int reg)
+{
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+	struct twl6040 *twl6040 = codec->control_data;
+	u8 value;
+
+	if (reg >= TWL6040_CACHEREGNUM)
+		return -EIO;
+
+	switch (reg) {
+	case TWL6040_REG_HSLCTL:
+	case TWL6040_REG_HSRCTL:
+	case TWL6040_REG_EARCTL:
+	case TWL6040_REG_HFLCTL:
+	case TWL6040_REG_HFRCTL:
+		value = priv->dl12_cache[reg - TWL6040_REG_HSLCTL];
+		break;
+	default:
+		value = twl6040_reg_read(twl6040, reg);
+		break;
+	}
+
+	return value;
+}
+
+static bool twl6040_can_write_to_chip(struct snd_soc_codec *codec,
+				  unsigned int reg)
+{
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+
+	switch (reg) {
+	case TWL6040_REG_HSLCTL:
+	case TWL6040_REG_HSRCTL:
+	case TWL6040_REG_EARCTL:
+		/* DL1 path */
+		return priv->dl1_unmuted;
+	case TWL6040_REG_HFLCTL:
+	case TWL6040_REG_HFRCTL:
+		return priv->dl2_unmuted;
+	default:
+		return 1;
+	}
+}
+
+static inline void twl6040_update_dl12_cache(struct snd_soc_codec *codec,
+					     u8 reg, u8 value)
+{
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+
+	switch (reg) {
+	case TWL6040_REG_HSLCTL:
+	case TWL6040_REG_HSRCTL:
+	case TWL6040_REG_EARCTL:
+	case TWL6040_REG_HFLCTL:
+	case TWL6040_REG_HFRCTL:
+		priv->dl12_cache[reg - TWL6040_REG_HSLCTL] = value;
+		break;
+	default:
+		break;
+	}
+}
+
+static int twl6040_write(struct snd_soc_codec *codec,
+			unsigned int reg, unsigned int value)
+{
+	struct twl6040 *twl6040 = codec->control_data;
+
+	if (reg >= TWL6040_CACHEREGNUM)
+		return -EIO;
+
+	twl6040_update_dl12_cache(codec, reg, value);
+	if (twl6040_can_write_to_chip(codec, reg))
+		return twl6040_reg_write(twl6040, reg, value);
+	else
+		return 0;
+}
+
+static void twl6040_init_chip(struct snd_soc_codec *codec)
+{
+	twl6040_read(codec, TWL6040_REG_TRIM1);
+	twl6040_read(codec, TWL6040_REG_TRIM2);
+	twl6040_read(codec, TWL6040_REG_TRIM3);
+	twl6040_read(codec, TWL6040_REG_HSOTRIM);
+	twl6040_read(codec, TWL6040_REG_HFOTRIM);
+
+	/* Change chip defaults */
+	/* No imput selected for microphone amplifiers */
+	twl6040_write(codec, TWL6040_REG_MICLCTL, 0x18);
+	twl6040_write(codec, TWL6040_REG_MICRCTL, 0x18);
+
+	/*
+	 * We need to lower the default gain values, so the ramp code
+	 * can work correctly for the first playback.
+	 * This reduces the pop noise heard at the first playback.
+	 */
+	twl6040_write(codec, TWL6040_REG_HSGAIN, 0xff);
+	twl6040_write(codec, TWL6040_REG_EARCTL, 0x1e);
+	twl6040_write(codec, TWL6040_REG_HFLGAIN, 0x1d);
+	twl6040_write(codec, TWL6040_REG_HFRGAIN, 0x1d);
+	twl6040_write(codec, TWL6040_REG_LINEGAIN, 0);
+}
+
+/* set headset dac and driver power mode */
+static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
+{
+	int hslctl, hsrctl;
+	int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
+
+	hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
+	hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
+
+	if (high_perf) {
+		hslctl &= ~mask;
+		hsrctl &= ~mask;
+	} else {
+		hslctl |= mask;
+		hsrctl |= mask;
+	}
+
+	twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
+	twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
+
+	return 0;
+}
+
+static int twl6040_hs_dac_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);
+	u8 hslctl, hsrctl;
+
+	/*
+	 * Workaround for Headset DC offset caused pop noise:
+	 * Both HS DAC need to be turned on (before the HS driver) and off at
+	 * the same time.
+	 */
+	hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
+	hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
+	if (SND_SOC_DAPM_EVENT_ON(event)) {
+		hslctl |= TWL6040_HSDACENA;
+		hsrctl |= TWL6040_HSDACENA;
+	} else {
+		hslctl &= ~TWL6040_HSDACENA;
+		hsrctl &= ~TWL6040_HSDACENA;
+	}
+	twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
+	twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
+
+	msleep(1);
+	return 0;
+}
+
+static int twl6040_ep_drv_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 twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+	int ret = 0;
+
+	if (SND_SOC_DAPM_EVENT_ON(event)) {
+		/* Earphone doesn't support low power mode */
+		priv->hs_power_mode_locked = 1;
+		ret = headset_power_mode(codec, 1);
+	} else {
+		priv->hs_power_mode_locked = 0;
+		ret = headset_power_mode(codec, priv->hs_power_mode);
+	}
+
+	msleep(1);
+
+	return ret;
+}
+
+static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
+				   struct snd_soc_jack *jack, int report)
+{
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+	int status;
+
+	mutex_lock(&priv->mutex);
+
+	/* Sync status */
+	status = twl6040_read(codec, TWL6040_REG_STATUS);
+	if (status & TWL6040_PLUGCOMP)
+		snd_soc_jack_report(jack, report, report);
+	else
+		snd_soc_jack_report(jack, 0, report);
+
+	mutex_unlock(&priv->mutex);
+}
+
+void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
+				struct snd_soc_jack *jack, int report)
+{
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+	struct twl6040_jack_data *hs_jack = &priv->hs_jack;
+
+	hs_jack->jack = jack;
+	hs_jack->report = report;
+
+	twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
+}
+EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
+
+static void twl6040_accessory_work(struct work_struct *work)
+{
+	struct twl6040_data *priv = container_of(work,
+					struct twl6040_data, hs_jack.work.work);
+	struct snd_soc_codec *codec = priv->codec;
+	struct twl6040_jack_data *hs_jack = &priv->hs_jack;
+
+	twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
+}
+
+/* audio interrupt handler */
+static irqreturn_t twl6040_audio_handler(int irq, void *data)
+{
+	struct snd_soc_codec *codec = data;
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+
+	queue_delayed_work(system_power_efficient_wq,
+			   &priv->hs_jack.work, msecs_to_jiffies(200));
+
+	return IRQ_HANDLED;
+}
+
+static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+	unsigned int val;
+
+	/* Do not allow changes while Input/FF efect is running */
+	val = twl6040_read(codec, e->reg);
+	if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
+		return -EBUSY;
+
+	return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
+}
+
+/*
+ * MICATT volume control:
+ * from -6 to 0 dB in 6 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
+
+/*
+ * MICGAIN volume control:
+ * from 6 to 30 dB in 6 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
+
+/*
+ * AFMGAIN volume control:
+ * from -18 to 24 dB in 6 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
+
+/*
+ * HSGAIN volume control:
+ * from -30 to 0 dB in 2 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
+
+/*
+ * HFGAIN volume control:
+ * from -52 to 6 dB in 2 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
+
+/*
+ * EPGAIN volume control:
+ * from -24 to 6 dB in 2 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
+
+/* Left analog microphone selection */
+static const char *twl6040_amicl_texts[] =
+	{"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
+
+/* Right analog microphone selection */
+static const char *twl6040_amicr_texts[] =
+	{"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
+
+static const struct soc_enum twl6040_enum[] = {
+	SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3,
+			ARRAY_SIZE(twl6040_amicl_texts), twl6040_amicl_texts),
+	SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3,
+			ARRAY_SIZE(twl6040_amicr_texts), twl6040_amicr_texts),
+};
+
+static const char *twl6040_hs_texts[] = {
+	"Off", "HS DAC", "Line-In amp"
+};
+
+static const struct soc_enum twl6040_hs_enum[] = {
+	SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
+			twl6040_hs_texts),
+	SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
+			twl6040_hs_texts),
+};
+
+static const char *twl6040_hf_texts[] = {
+	"Off", "HF DAC", "Line-In amp"
+};
+
+static const struct soc_enum twl6040_hf_enum[] = {
+	SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
+			twl6040_hf_texts),
+	SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
+			twl6040_hf_texts),
+};
+
+static const char *twl6040_vibrapath_texts[] = {
+	"Input FF", "Audio PDM"
+};
+
+static const struct soc_enum twl6040_vibra_enum[] = {
+	SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
+			ARRAY_SIZE(twl6040_vibrapath_texts),
+			twl6040_vibrapath_texts),
+	SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
+			ARRAY_SIZE(twl6040_vibrapath_texts),
+			twl6040_vibrapath_texts),
+};
+
+static const struct snd_kcontrol_new amicl_control =
+	SOC_DAPM_ENUM("Route", twl6040_enum[0]);
+
+static const struct snd_kcontrol_new amicr_control =
+	SOC_DAPM_ENUM("Route", twl6040_enum[1]);
+
+/* Headset DAC playback switches */
+static const struct snd_kcontrol_new hsl_mux_controls =
+	SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
+
+static const struct snd_kcontrol_new hsr_mux_controls =
+	SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
+
+/* Handsfree DAC playback switches */
+static const struct snd_kcontrol_new hfl_mux_controls =
+	SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
+
+static const struct snd_kcontrol_new hfr_mux_controls =
+	SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
+
+static const struct snd_kcontrol_new ep_path_enable_control =
+	SOC_DAPM_SINGLE_VIRT("Switch", 1);
+
+static const struct snd_kcontrol_new auxl_switch_control =
+	SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
+
+static const struct snd_kcontrol_new auxr_switch_control =
+	SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
+
+/* Vibra playback switches */
+static const struct snd_kcontrol_new vibral_mux_controls =
+	SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
+		snd_soc_dapm_get_enum_double,
+		twl6040_soc_dapm_put_vibra_enum);
+
+static const struct snd_kcontrol_new vibrar_mux_controls =
+	SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
+		snd_soc_dapm_get_enum_double,
+		twl6040_soc_dapm_put_vibra_enum);
+
+/* Headset power mode */
+static const char *twl6040_power_mode_texts[] = {
+	"Low-Power", "High-Performance",
+};
+
+static SOC_ENUM_SINGLE_EXT_DECL(twl6040_power_mode_enum,
+				twl6040_power_mode_texts);
+
+static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+
+	ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
+
+	return 0;
+}
+
+static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+	int high_perf = ucontrol->value.enumerated.item[0];
+	int ret = 0;
+
+	if (!priv->hs_power_mode_locked)
+		ret = headset_power_mode(codec, high_perf);
+
+	if (!ret)
+		priv->hs_power_mode = high_perf;
+
+	return ret;
+}
+
+static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+
+	ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
+
+	return 0;
+}
+
+static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+
+	priv->pll_power_mode = ucontrol->value.enumerated.item[0];
+
+	return 0;
+}
+
+int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
+{
+	struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+	if (snd_soc_dapm_get_pin_status(dapm, "EP"))
+		return -1; /* -1dB */
+
+	if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
+		snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
+
+		u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
+		if (val & TWL6040_HSDACMODE)
+			/* HSDACL in LP mode */
+			return -8; /* -8dB */
+		else
+			/* HSDACL in HP mode */
+			return -1; /* -1dB */
+	}
+	return 0; /* 0dB */
+}
+EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
+
+int twl6040_get_clk_id(struct snd_soc_codec *codec)
+{
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+
+	return priv->pll_power_mode;
+}
+EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
+
+int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
+{
+	if (unlikely(trim >= TWL6040_TRIM_INVAL))
+		return -EINVAL;
+
+	return twl6040_read(codec, TWL6040_REG_TRIM1 + trim);
+}
+EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
+
+int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
+{
+	struct twl6040 *twl6040 = codec->control_data;
+
+	if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
+		/* For ES under ES_1.3 HS step is 2 mV */
+		return 2;
+	else
+		/* For ES_1.3 HS step is 1 mV */
+		return 1;
+}
+EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
+
+static const struct snd_kcontrol_new twl6040_snd_controls[] = {
+	/* Capture gains */
+	SOC_DOUBLE_TLV("Capture Preamplifier Volume",
+		TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
+	SOC_DOUBLE_TLV("Capture Volume",
+		TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
+
+	/* AFM gains */
+	SOC_DOUBLE_TLV("Aux FM Volume",
+		TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
+
+	/* Playback gains */
+	SOC_DOUBLE_TLV("Headset Playback Volume",
+		TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
+	SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
+		TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
+	SOC_SINGLE_TLV("Earphone Playback Volume",
+		TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
+
+	SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
+		twl6040_headset_power_get_enum,
+		twl6040_headset_power_put_enum),
+
+	SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
+		twl6040_pll_get_enum, twl6040_pll_put_enum),
+};
+
+static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
+	/* Inputs */
+	SND_SOC_DAPM_INPUT("MAINMIC"),
+	SND_SOC_DAPM_INPUT("HSMIC"),
+	SND_SOC_DAPM_INPUT("SUBMIC"),
+	SND_SOC_DAPM_INPUT("AFML"),
+	SND_SOC_DAPM_INPUT("AFMR"),
+
+	/* Outputs */
+	SND_SOC_DAPM_OUTPUT("HSOL"),
+	SND_SOC_DAPM_OUTPUT("HSOR"),
+	SND_SOC_DAPM_OUTPUT("HFL"),
+	SND_SOC_DAPM_OUTPUT("HFR"),
+	SND_SOC_DAPM_OUTPUT("EP"),
+	SND_SOC_DAPM_OUTPUT("AUXL"),
+	SND_SOC_DAPM_OUTPUT("AUXR"),
+	SND_SOC_DAPM_OUTPUT("VIBRAL"),
+	SND_SOC_DAPM_OUTPUT("VIBRAR"),
+
+	/* Analog input muxes for the capture amplifiers */
+	SND_SOC_DAPM_MUX("Analog Left Capture Route",
+			SND_SOC_NOPM, 0, 0, &amicl_control),
+	SND_SOC_DAPM_MUX("Analog Right Capture Route",
+			SND_SOC_NOPM, 0, 0, &amicr_control),
+
+	/* Analog capture PGAs */
+	SND_SOC_DAPM_PGA("MicAmpL",
+			TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("MicAmpR",
+			TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
+
+	/* Auxiliary FM PGAs */
+	SND_SOC_DAPM_PGA("AFMAmpL",
+			TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("AFMAmpR",
+			TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
+
+	/* ADCs */
+	SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
+	SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
+
+	/* Microphone bias */
+	SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
+			    TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Main Mic Bias",
+			    TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
+			    TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
+			    TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
+
+	/* DACs */
+	SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
+	SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
+	/* Virtual DAC for vibra path (DL4 channel) */
+	SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
+
+	SND_SOC_DAPM_MUX("Handsfree Left Playback",
+			SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
+	SND_SOC_DAPM_MUX("Handsfree Right Playback",
+			SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
+	/* Analog playback Muxes */
+	SND_SOC_DAPM_MUX("Headset Left Playback",
+			SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
+	SND_SOC_DAPM_MUX("Headset Right Playback",
+			SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
+
+	SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
+			&vibral_mux_controls),
+	SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
+			&vibrar_mux_controls),
+
+	SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
+			&ep_path_enable_control),
+	SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
+			&auxl_switch_control),
+	SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
+			&auxr_switch_control),
+
+	/* Analog playback drivers */
+	SND_SOC_DAPM_OUT_DRV("HF Left Driver",
+			TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("HF Right Driver",
+			TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("HS Left Driver",
+			TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("HS Right Driver",
+			TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
+			TWL6040_REG_EARCTL, 0, 0, NULL, 0,
+			twl6040_ep_drv_event,
+			SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
+			TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
+	SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
+			TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
+			    NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
+			    NULL, 0),
+	SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
+			      twl6040_hs_dac_event,
+			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+	/* Analog playback PGAs */
+	SND_SOC_DAPM_PGA("HF Left PGA",
+			TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("HF Right PGA",
+			TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
+
+};
+
+static const struct snd_soc_dapm_route intercon[] = {
+	/* Stream -> DAC mapping */
+	{"HSDAC Left", NULL, "Legacy Playback"},
+	{"HSDAC Left", NULL, "Headset Playback"},
+	{"HSDAC Right", NULL, "Legacy Playback"},
+	{"HSDAC Right", NULL, "Headset Playback"},
+
+	{"HFDAC Left", NULL, "Legacy Playback"},
+	{"HFDAC Left", NULL, "Handsfree Playback"},
+	{"HFDAC Right", NULL, "Legacy Playback"},
+	{"HFDAC Right", NULL, "Handsfree Playback"},
+
+	{"VIBRA DAC", NULL, "Legacy Playback"},
+	{"VIBRA DAC", NULL, "Vibra Playback"},
+
+	/* ADC -> Stream mapping */
+	{"Legacy Capture" , NULL, "ADC Left"},
+	{"Capture", NULL, "ADC Left"},
+	{"Legacy Capture", NULL, "ADC Right"},
+	{"Capture" , NULL, "ADC Right"},
+
+	/* Capture path */
+	{"Analog Left Capture Route", "Headset Mic", "HSMIC"},
+	{"Analog Left Capture Route", "Main Mic", "MAINMIC"},
+	{"Analog Left Capture Route", "Aux/FM Left", "AFML"},
+
+	{"Analog Right Capture Route", "Headset Mic", "HSMIC"},
+	{"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
+	{"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
+
+	{"MicAmpL", NULL, "Analog Left Capture Route"},
+	{"MicAmpR", NULL, "Analog Right Capture Route"},
+
+	{"ADC Left", NULL, "MicAmpL"},
+	{"ADC Right", NULL, "MicAmpR"},
+
+	/* AFM path */
+	{"AFMAmpL", NULL, "AFML"},
+	{"AFMAmpR", NULL, "AFMR"},
+
+	{"HSDAC Left", NULL, "HSDAC Power"},
+	{"HSDAC Right", NULL, "HSDAC Power"},
+
+	{"Headset Left Playback", "HS DAC", "HSDAC Left"},
+	{"Headset Left Playback", "Line-In amp", "AFMAmpL"},
+
+	{"Headset Right Playback", "HS DAC", "HSDAC Right"},
+	{"Headset Right Playback", "Line-In amp", "AFMAmpR"},
+
+	{"HS Left Driver", NULL, "Headset Left Playback"},
+	{"HS Right Driver", NULL, "Headset Right Playback"},
+
+	{"HSOL", NULL, "HS Left Driver"},
+	{"HSOR", NULL, "HS Right Driver"},
+
+	/* Earphone playback path */
+	{"Earphone Playback", "Switch", "HSDAC Left"},
+	{"Earphone Driver", NULL, "Earphone Playback"},
+	{"EP", NULL, "Earphone Driver"},
+
+	{"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
+	{"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
+
+	{"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
+	{"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
+
+	{"HF Left PGA", NULL, "Handsfree Left Playback"},
+	{"HF Right PGA", NULL, "Handsfree Right Playback"},
+
+	{"HF Left Driver", NULL, "HF Left PGA"},
+	{"HF Right Driver", NULL, "HF Right PGA"},
+
+	{"HFL", NULL, "HF Left Driver"},
+	{"HFR", NULL, "HF Right Driver"},
+
+	{"AUXL Playback", "Switch", "HF Left PGA"},
+	{"AUXR Playback", "Switch", "HF Right PGA"},
+
+	{"AUXL", NULL, "AUXL Playback"},
+	{"AUXR", NULL, "AUXR Playback"},
+
+	/* Vibrator paths */
+	{"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
+	{"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
+
+	{"Vibra Left Driver", NULL, "Vibra Left Playback"},
+	{"Vibra Right Driver", NULL, "Vibra Right Playback"},
+	{"Vibra Left Driver", NULL, "Vibra Left Control"},
+	{"Vibra Right Driver", NULL, "Vibra Right Control"},
+
+	{"VIBRAL", NULL, "Vibra Left Driver"},
+	{"VIBRAR", NULL, "Vibra Right Driver"},
+};
+
+static int twl6040_set_bias_level(struct snd_soc_codec *codec,
+				enum snd_soc_bias_level level)
+{
+	struct twl6040 *twl6040 = codec->control_data;
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+	int ret;
+
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+		break;
+	case SND_SOC_BIAS_PREPARE:
+		break;
+	case SND_SOC_BIAS_STANDBY:
+		if (priv->codec_powered)
+			break;
+
+		ret = twl6040_power(twl6040, 1);
+		if (ret)
+			return ret;
+
+		priv->codec_powered = 1;
+
+		/* Set external boost GPO */
+		twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
+		break;
+	case SND_SOC_BIAS_OFF:
+		if (!priv->codec_powered)
+			break;
+
+		twl6040_power(twl6040, 0);
+		priv->codec_powered = 0;
+		break;
+	}
+
+	codec->dapm.bias_level = level;
+
+	return 0;
+}
+
+static int twl6040_startup(struct snd_pcm_substream *substream,
+			struct snd_soc_dai *dai)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+
+	snd_pcm_hw_constraint_list(substream->runtime, 0,
+				SNDRV_PCM_HW_PARAM_RATE,
+				&sysclk_constraints[priv->pll_power_mode]);
+
+	return 0;
+}
+
+static int twl6040_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 twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+	int rate;
+
+	rate = params_rate(params);
+	switch (rate) {
+	case 11250:
+	case 22500:
+	case 44100:
+	case 88200:
+		/* These rates are not supported when HPPLL is in use */
+		if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
+			dev_err(codec->dev, "HPPLL does not support rate %d\n",
+				rate);
+			return -EINVAL;
+		}
+		priv->sysclk = 17640000;
+		break;
+	case 8000:
+	case 16000:
+	case 32000:
+	case 48000:
+	case 96000:
+		priv->sysclk = 19200000;
+		break;
+	default:
+		dev_err(codec->dev, "unsupported rate %d\n", rate);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int twl6040_prepare(struct snd_pcm_substream *substream,
+			struct snd_soc_dai *dai)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	struct twl6040 *twl6040 = codec->control_data;
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+	int ret;
+
+	if (!priv->sysclk) {
+		dev_err(codec->dev,
+			"no mclk configured, call set_sysclk() on init\n");
+		return -EINVAL;
+	}
+
+	ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
+	if (ret) {
+		dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
+		return -EPERM;
+	}
+
+	return 0;
+}
+
+static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+		int clk_id, unsigned int freq, int dir)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+
+	switch (clk_id) {
+	case TWL6040_SYSCLK_SEL_LPPLL:
+	case TWL6040_SYSCLK_SEL_HPPLL:
+		priv->pll = clk_id;
+		priv->clk_in = freq;
+		break;
+	default:
+		dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
+			     int mute)
+{
+	struct twl6040 *twl6040 = codec->control_data;
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+	int hslctl, hsrctl, earctl;
+	int hflctl, hfrctl;
+
+	switch (id) {
+	case TWL6040_DAI_DL1:
+		hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
+		hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
+		earctl = twl6040_read(codec, TWL6040_REG_EARCTL);
+
+		if (mute) {
+			/* Power down drivers and DACs */
+			earctl &= ~0x01;
+			hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
+			hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
+
+		}
+
+		twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
+		twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
+		twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
+		priv->dl1_unmuted = !mute;
+		break;
+	case TWL6040_DAI_DL2:
+		hflctl = twl6040_read(codec, TWL6040_REG_HFLCTL);
+		hfrctl = twl6040_read(codec, TWL6040_REG_HFRCTL);
+
+		if (mute) {
+			/* Power down drivers and DACs */
+			hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
+				    TWL6040_HFDRVENA);
+			hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
+				    TWL6040_HFDRVENA);
+		}
+
+		twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
+		twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
+		priv->dl2_unmuted = !mute;
+		break;
+	default:
+		break;
+	}
+}
+
+static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
+{
+	switch (dai->id) {
+	case TWL6040_DAI_LEGACY:
+		twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
+		twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
+		break;
+	case TWL6040_DAI_DL1:
+	case TWL6040_DAI_DL2:
+		twl6040_mute_path(dai->codec, dai->id, mute);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_dai_ops twl6040_dai_ops = {
+	.startup	= twl6040_startup,
+	.hw_params	= twl6040_hw_params,
+	.prepare	= twl6040_prepare,
+	.set_sysclk	= twl6040_set_dai_sysclk,
+	.digital_mute	= twl6040_digital_mute,
+};
+
+static struct snd_soc_dai_driver twl6040_dai[] = {
+{
+	.name = "twl6040-legacy",
+	.id = TWL6040_DAI_LEGACY,
+	.playback = {
+		.stream_name = "Legacy Playback",
+		.channels_min = 1,
+		.channels_max = 5,
+		.rates = TWL6040_RATES,
+		.formats = TWL6040_FORMATS,
+	},
+	.capture = {
+		.stream_name = "Legacy Capture",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = TWL6040_RATES,
+		.formats = TWL6040_FORMATS,
+	},
+	.ops = &twl6040_dai_ops,
+},
+{
+	.name = "twl6040-ul",
+	.id = TWL6040_DAI_UL,
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = TWL6040_RATES,
+		.formats = TWL6040_FORMATS,
+	},
+	.ops = &twl6040_dai_ops,
+},
+{
+	.name = "twl6040-dl1",
+	.id = TWL6040_DAI_DL1,
+	.playback = {
+		.stream_name = "Headset Playback",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = TWL6040_RATES,
+		.formats = TWL6040_FORMATS,
+	},
+	.ops = &twl6040_dai_ops,
+},
+{
+	.name = "twl6040-dl2",
+	.id = TWL6040_DAI_DL2,
+	.playback = {
+		.stream_name = "Handsfree Playback",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = TWL6040_RATES,
+		.formats = TWL6040_FORMATS,
+	},
+	.ops = &twl6040_dai_ops,
+},
+{
+	.name = "twl6040-vib",
+	.id = TWL6040_DAI_VIB,
+	.playback = {
+		.stream_name = "Vibra Playback",
+		.channels_min = 1,
+		.channels_max = 1,
+		.rates = SNDRV_PCM_RATE_CONTINUOUS,
+		.formats = TWL6040_FORMATS,
+	},
+	.ops = &twl6040_dai_ops,
+},
+};
+
+static int twl6040_probe(struct snd_soc_codec *codec)
+{
+	struct twl6040_data *priv;
+	struct twl6040 *twl6040 = dev_get_drvdata(codec->dev->parent);
+	struct platform_device *pdev = container_of(codec->dev,
+						   struct platform_device, dev);
+	int ret = 0;
+
+	priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
+	if (priv == NULL)
+		return -ENOMEM;
+
+	snd_soc_codec_set_drvdata(codec, priv);
+
+	priv->codec = codec;
+	codec->control_data = twl6040;
+
+	priv->plug_irq = platform_get_irq(pdev, 0);
+	if (priv->plug_irq < 0) {
+		dev_err(codec->dev, "invalid irq\n");
+		return -EINVAL;
+	}
+
+	INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
+
+	mutex_init(&priv->mutex);
+
+	ret = request_threaded_irq(priv->plug_irq, NULL,
+					twl6040_audio_handler, IRQF_NO_SUSPEND,
+					"twl6040_irq_plug", codec);
+	if (ret) {
+		dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
+		return ret;
+	}
+
+	twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+	twl6040_init_chip(codec);
+
+	return 0;
+}
+
+static int twl6040_remove(struct snd_soc_codec *codec)
+{
+	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+
+	free_irq(priv->plug_irq, codec);
+
+	return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
+	.probe = twl6040_probe,
+	.remove = twl6040_remove,
+	.read = twl6040_read,
+	.write = twl6040_write,
+	.set_bias_level = twl6040_set_bias_level,
+	.suspend_bias_off = true,
+	.ignore_pmdown_time = true,
+
+	.controls = twl6040_snd_controls,
+	.num_controls = ARRAY_SIZE(twl6040_snd_controls),
+	.dapm_widgets = twl6040_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
+	.dapm_routes = intercon,
+	.num_dapm_routes = ARRAY_SIZE(intercon),
+};
+
+static int twl6040_codec_probe(struct platform_device *pdev)
+{
+	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
+				      twl6040_dai, ARRAY_SIZE(twl6040_dai));
+}
+
+static int twl6040_codec_remove(struct platform_device *pdev)
+{
+	snd_soc_unregister_codec(&pdev->dev);
+	return 0;
+}
+
+static struct platform_driver twl6040_codec_driver = {
+	.driver = {
+		.name = "twl6040-codec",
+	},
+	.probe = twl6040_codec_probe,
+	.remove = twl6040_codec_remove,
+};
+
+module_platform_driver(twl6040_codec_driver);
+
+MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
+MODULE_AUTHOR("Misael Lopez Cruz");
+MODULE_LICENSE("GPL");