Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / sound / soc / codecs / twl6040.c
diff --git a/kernel/sound/soc/codecs/twl6040.c b/kernel/sound/soc/codecs/twl6040.c
new file mode 100644 (file)
index 0000000..aeec27b
--- /dev/null
@@ -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");