Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 944 insertions, 0 deletions

diff --git a/sound/soc/codecs/sn95031.c b/sound/soc/codecs/sn95031.c
new file mode 100644
index 000000000000..84ffdebb8a8b
--- /dev/null
+++ b/sound/soc/codecs/sn95031.c
@@ -0,0 +1,944 @@
+/*
+ *  sn95031.c -  TI sn95031 Codec driver
+ *
+ *  Copyright (C) 2010 Intel Corp
+ *  Author: Vinod Koul <vinod.koul@intel.com>
+ *  Author: Harsha Priya <priya.harsha@intel.com>
+ *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  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.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include <asm/intel_scu_ipc.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 <sound/jack.h>
+#include "sn95031.h"
+
+#define SN95031_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100)
+#define SN95031_FORMATS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
+
+/* adc helper functions */
+
+/* enables mic bias voltage */
+static void sn95031_enable_mic_bias(struct snd_soc_codec *codec)
+{
+        snd_soc_write(codec, SN95031_VAUD, BIT(2)|BIT(1)|BIT(0));
+        snd_soc_update_bits(codec, SN95031_MICBIAS, BIT(2), BIT(2));
+}
+
+/* Enable/Disable the ADC depending on the argument */
+static void configure_adc(struct snd_soc_codec *sn95031_codec, int val)
+{
+        int value = snd_soc_read(sn95031_codec, SN95031_ADC1CNTL1);
+
+        if (val) {
+                /* Enable and start the ADC */
+                value |= (SN95031_ADC_ENBL | SN95031_ADC_START);
+                value &= (~SN95031_ADC_NO_LOOP);
+        } else {
+                /* Just stop the ADC */
+                value &= (~SN95031_ADC_START);
+        }
+        snd_soc_write(sn95031_codec, SN95031_ADC1CNTL1, value);
+}
+
+/*
+ * finds an empty channel for conversion
+ * If the ADC is not enabled then start using 0th channel
+ * itself. Otherwise find an empty channel by looking for a
+ * channel in which the stopbit is set to 1. returns the index
+ * of the first free channel if succeeds or an error code.
+ *
+ * Context: can sleep
+ *
+ */
+static int find_free_channel(struct snd_soc_codec *sn95031_codec)
+{
+        int ret = 0, i, value;
+
+        /* check whether ADC is enabled */
+        value = snd_soc_read(sn95031_codec, SN95031_ADC1CNTL1);
+
+        if ((value & SN95031_ADC_ENBL) == 0)
+                return 0;
+
+        /* ADC is already enabled; Looking for an empty channel */
+        for (i = 0; i < SN95031_ADC_CHANLS_MAX; i++) {
+                value = snd_soc_read(sn95031_codec,
+                                SN95031_ADC_CHNL_START_ADDR + i);
+                if (value & SN95031_STOPBIT_MASK) {
+                        ret = i;
+                        break;
+                }
+        }
+        return (ret > SN95031_ADC_LOOP_MAX) ? (-EINVAL) : ret;
+}
+
+/* Initialize the ADC for reading micbias values. Can sleep. */
+static int sn95031_initialize_adc(struct snd_soc_codec *sn95031_codec)
+{
+        int base_addr, chnl_addr;
+        int value;
+        static int channel_index;
+
+        /* Index of the first channel in which the stop bit is set */
+        channel_index = find_free_channel(sn95031_codec);
+        if (channel_index < 0) {
+                pr_err("No free ADC channels");
+                return channel_index;
+        }
+
+        base_addr = SN95031_ADC_CHNL_START_ADDR + channel_index;
+
+        if (!(channel_index == 0 || channel_index ==  SN95031_ADC_LOOP_MAX)) {
+                /* Reset stop bit for channels other than 0 and 12 */
+                value = snd_soc_read(sn95031_codec, base_addr);
+                /* Set the stop bit to zero */
+                snd_soc_write(sn95031_codec, base_addr, value & 0xEF);
+                /* Index of the first free channel */
+                base_addr++;
+                channel_index++;
+        }
+
+        /* Since this is the last channel, set the stop bit
+           to 1 by ORing the DIE_SENSOR_CODE with 0x10 */
+        snd_soc_write(sn95031_codec, base_addr,
+                                SN95031_AUDIO_DETECT_CODE | 0x10);
+
+        chnl_addr = SN95031_ADC_DATA_START_ADDR + 2 * channel_index;
+        pr_debug("mid_initialize : %x", chnl_addr);
+        configure_adc(sn95031_codec, 1);
+        return chnl_addr;
+}
+
+
+/* reads the ADC registers and gets the mic bias value in mV. */
+static unsigned int sn95031_get_mic_bias(struct snd_soc_codec *codec)
+{
+        u16 adc_adr = sn95031_initialize_adc(codec);
+        u16 adc_val1, adc_val2;
+        unsigned int mic_bias;
+
+        sn95031_enable_mic_bias(codec);
+
+        /* Enable the sound card for conversion before reading */
+        snd_soc_write(codec, SN95031_ADC1CNTL3, 0x05);
+        /* Re-toggle the RRDATARD bit */
+        snd_soc_write(codec, SN95031_ADC1CNTL3, 0x04);
+
+        /* Read the higher bits of data */
+        msleep(1000);
+        adc_val1 = snd_soc_read(codec, adc_adr);
+        adc_adr++;
+        adc_val2 = snd_soc_read(codec, adc_adr);
+
+        /* Adding lower two bits to the higher bits */
+        mic_bias = (adc_val1 << 2) + (adc_val2 & 3);
+        mic_bias = (mic_bias * SN95031_ADC_ONE_LSB_MULTIPLIER) / 1000;
+        pr_debug("mic bias = %dmV\n", mic_bias);
+        return mic_bias;
+}
+EXPORT_SYMBOL_GPL(sn95031_get_mic_bias);
+/*end - adc helper functions */
+
+static inline unsigned int sn95031_read(struct snd_soc_codec *codec,
+                        unsigned int reg)
+{
+        u8 value = 0;
+        int ret;
+
+        ret = intel_scu_ipc_ioread8(reg, &value);
+        if (ret)
+                pr_err("read of %x failed, err %d\n", reg, ret);
+        return value;
+
+}
+
+static inline int sn95031_write(struct snd_soc_codec *codec,
+                        unsigned int reg, unsigned int value)
+{
+        int ret;
+
+        ret = intel_scu_ipc_iowrite8(reg, value);
+        if (ret)
+                pr_err("write of %x failed, err %d\n", reg, ret);
+        return ret;
+}
+
+static int sn95031_set_vaud_bias(struct snd_soc_codec *codec,
+                enum snd_soc_bias_level level)
+{
+        switch (level) {
+        case SND_SOC_BIAS_ON:
+                break;
+
+        case SND_SOC_BIAS_PREPARE:
+                if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY) {
+                        pr_debug("vaud_bias powering up pll\n");
+                        /* power up the pll */
+                        snd_soc_write(codec, SN95031_AUDPLLCTRL, BIT(5));
+                        /* enable pcm 2 */
+                        snd_soc_update_bits(codec, SN95031_PCM2C2,
+                                        BIT(0), BIT(0));
+                }
+                break;
+
+        case SND_SOC_BIAS_STANDBY:
+                if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+                        pr_debug("vaud_bias power up rail\n");
+                        /* power up the rail */
+                        snd_soc_write(codec, SN95031_VAUD,
+                                        BIT(2)|BIT(1)|BIT(0));
+                        msleep(1);
+                } else if (codec->dapm.bias_level == SND_SOC_BIAS_PREPARE) {
+                        /* turn off pcm */
+                        pr_debug("vaud_bias power dn pcm\n");
+                        snd_soc_update_bits(codec, SN95031_PCM2C2, BIT(0), 0);
+                        snd_soc_write(codec, SN95031_AUDPLLCTRL, 0);
+                }
+                break;
+
+
+        case SND_SOC_BIAS_OFF:
+                pr_debug("vaud_bias _OFF doing rail shutdown\n");
+                snd_soc_write(codec, SN95031_VAUD, BIT(3));
+                break;
+        }
+
+        codec->dapm.bias_level = level;
+        return 0;
+}
+
+static int sn95031_vhs_event(struct snd_soc_dapm_widget *w,
+                    struct snd_kcontrol *kcontrol, int event)
+{
+        if (SND_SOC_DAPM_EVENT_ON(event)) {
+                pr_debug("VHS SND_SOC_DAPM_EVENT_ON doing rail startup now\n");
+                /* power up the rail */
+                snd_soc_write(w->codec, SN95031_VHSP, 0x3D);
+                snd_soc_write(w->codec, SN95031_VHSN, 0x3F);
+                msleep(1);
+        } else if (SND_SOC_DAPM_EVENT_OFF(event)) {
+                pr_debug("VHS SND_SOC_DAPM_EVENT_OFF doing rail shutdown\n");
+                snd_soc_write(w->codec, SN95031_VHSP, 0xC4);
+                snd_soc_write(w->codec, SN95031_VHSN, 0x04);
+        }
+        return 0;
+}
+
+static int sn95031_vihf_event(struct snd_soc_dapm_widget *w,
+                    struct snd_kcontrol *kcontrol, int event)
+{
+        if (SND_SOC_DAPM_EVENT_ON(event)) {
+                pr_debug("VIHF SND_SOC_DAPM_EVENT_ON doing rail startup now\n");
+                /* power up the rail */
+                snd_soc_write(w->codec, SN95031_VIHF, 0x27);
+                msleep(1);
+        } else if (SND_SOC_DAPM_EVENT_OFF(event)) {
+                pr_debug("VIHF SND_SOC_DAPM_EVENT_OFF doing rail shutdown\n");
+                snd_soc_write(w->codec, SN95031_VIHF, 0x24);
+        }
+        return 0;
+}
+
+static int sn95031_dmic12_event(struct snd_soc_dapm_widget *w,
+                        struct snd_kcontrol *k, int event)
+{
+        unsigned int ldo = 0, clk_dir = 0, data_dir = 0;
+
+        if (SND_SOC_DAPM_EVENT_ON(event)) {
+                ldo = BIT(5)|BIT(4);
+                clk_dir = BIT(0);
+                data_dir = BIT(7);
+        }
+        /* program DMIC LDO, clock and set clock */
+        snd_soc_update_bits(w->codec, SN95031_MICBIAS, BIT(5)|BIT(4), ldo);
+        snd_soc_update_bits(w->codec, SN95031_DMICBUF0123, BIT(0), clk_dir);
+        snd_soc_update_bits(w->codec, SN95031_DMICBUF0123, BIT(7), data_dir);
+        return 0;
+}
+
+static int sn95031_dmic34_event(struct snd_soc_dapm_widget *w,
+                        struct snd_kcontrol *k, int event)
+{
+        unsigned int ldo = 0, clk_dir = 0, data_dir = 0;
+
+        if (SND_SOC_DAPM_EVENT_ON(event)) {
+                ldo = BIT(5)|BIT(4);
+                clk_dir = BIT(2);
+                data_dir = BIT(1);
+        }
+        /* program DMIC LDO, clock and set clock */
+        snd_soc_update_bits(w->codec, SN95031_MICBIAS, BIT(5)|BIT(4), ldo);
+        snd_soc_update_bits(w->codec, SN95031_DMICBUF0123, BIT(2), clk_dir);
+        snd_soc_update_bits(w->codec, SN95031_DMICBUF45, BIT(1), data_dir);
+        return 0;
+}
+
+static int sn95031_dmic56_event(struct snd_soc_dapm_widget *w,
+                        struct snd_kcontrol *k, int event)
+{
+        unsigned int ldo = 0;
+
+        if (SND_SOC_DAPM_EVENT_ON(event))
+                ldo = BIT(7)|BIT(6);
+
+        /* program DMIC LDO */
+        snd_soc_update_bits(w->codec, SN95031_MICBIAS, BIT(7)|BIT(6), ldo);
+        return 0;
+}
+
+/* mux controls */
+static const char *sn95031_mic_texts[] = { "AMIC", "LineIn" };
+
+static const struct soc_enum sn95031_micl_enum =
+        SOC_ENUM_SINGLE(SN95031_ADCCONFIG, 1, 2, sn95031_mic_texts);
+
+static const struct snd_kcontrol_new sn95031_micl_mux_control =
+        SOC_DAPM_ENUM("Route", sn95031_micl_enum);
+
+static const struct soc_enum sn95031_micr_enum =
+        SOC_ENUM_SINGLE(SN95031_ADCCONFIG, 3, 2, sn95031_mic_texts);
+
+static const struct snd_kcontrol_new sn95031_micr_mux_control =
+        SOC_DAPM_ENUM("Route", sn95031_micr_enum);
+
+static const char *sn95031_input_texts[] = {    "DMIC1", "DMIC2", "DMIC3",
+                                                "DMIC4", "DMIC5", "DMIC6",
+                                                "ADC Left", "ADC Right" };
+
+static const struct soc_enum sn95031_input1_enum =
+        SOC_ENUM_SINGLE(SN95031_AUDIOMUX12, 0, 8, sn95031_input_texts);
+
+static const struct snd_kcontrol_new sn95031_input1_mux_control =
+        SOC_DAPM_ENUM("Route", sn95031_input1_enum);
+
+static const struct soc_enum sn95031_input2_enum =
+        SOC_ENUM_SINGLE(SN95031_AUDIOMUX12, 4, 8, sn95031_input_texts);
+
+static const struct snd_kcontrol_new sn95031_input2_mux_control =
+        SOC_DAPM_ENUM("Route", sn95031_input2_enum);
+
+static const struct soc_enum sn95031_input3_enum =
+        SOC_ENUM_SINGLE(SN95031_AUDIOMUX34, 0, 8, sn95031_input_texts);
+
+static const struct snd_kcontrol_new sn95031_input3_mux_control =
+        SOC_DAPM_ENUM("Route", sn95031_input3_enum);
+
+static const struct soc_enum sn95031_input4_enum =
+        SOC_ENUM_SINGLE(SN95031_AUDIOMUX34, 4, 8, sn95031_input_texts);
+
+static const struct snd_kcontrol_new sn95031_input4_mux_control =
+        SOC_DAPM_ENUM("Route", sn95031_input4_enum);
+
+/* capture path controls */
+
+static const char *sn95031_micmode_text[] = {"Single Ended", "Differential"};
+
+/* 0dB to 30dB in 10dB steps */
+static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 10, 0);
+
+static const struct soc_enum sn95031_micmode1_enum =
+        SOC_ENUM_SINGLE(SN95031_MICAMP1, 1, 2, sn95031_micmode_text);
+static const struct soc_enum sn95031_micmode2_enum =
+        SOC_ENUM_SINGLE(SN95031_MICAMP2, 1, 2, sn95031_micmode_text);
+
+static const char *sn95031_dmic_cfg_text[] = {"GPO", "DMIC"};
+
+static const struct soc_enum sn95031_dmic12_cfg_enum =
+        SOC_ENUM_SINGLE(SN95031_DMICMUX, 0, 2, sn95031_dmic_cfg_text);
+static const struct soc_enum sn95031_dmic34_cfg_enum =
+        SOC_ENUM_SINGLE(SN95031_DMICMUX, 1, 2, sn95031_dmic_cfg_text);
+static const struct soc_enum sn95031_dmic56_cfg_enum =
+        SOC_ENUM_SINGLE(SN95031_DMICMUX, 2, 2, sn95031_dmic_cfg_text);
+
+static const struct snd_kcontrol_new sn95031_snd_controls[] = {
+        SOC_ENUM("Mic1Mode Capture Route", sn95031_micmode1_enum),
+        SOC_ENUM("Mic2Mode Capture Route", sn95031_micmode2_enum),
+        SOC_ENUM("DMIC12 Capture Route", sn95031_dmic12_cfg_enum),
+        SOC_ENUM("DMIC34 Capture Route", sn95031_dmic34_cfg_enum),
+        SOC_ENUM("DMIC56 Capture Route", sn95031_dmic56_cfg_enum),
+        SOC_SINGLE_TLV("Mic1 Capture Volume", SN95031_MICAMP1,
+                        2, 4, 0, mic_tlv),
+        SOC_SINGLE_TLV("Mic2 Capture Volume", SN95031_MICAMP2,
+                        2, 4, 0, mic_tlv),
+};
+
+/* DAPM widgets */
+static const struct snd_soc_dapm_widget sn95031_dapm_widgets[] = {
+
+        /* all end points mic, hs etc */
+        SND_SOC_DAPM_OUTPUT("HPOUTL"),
+        SND_SOC_DAPM_OUTPUT("HPOUTR"),
+        SND_SOC_DAPM_OUTPUT("EPOUT"),
+        SND_SOC_DAPM_OUTPUT("IHFOUTL"),
+        SND_SOC_DAPM_OUTPUT("IHFOUTR"),
+        SND_SOC_DAPM_OUTPUT("LINEOUTL"),
+        SND_SOC_DAPM_OUTPUT("LINEOUTR"),
+        SND_SOC_DAPM_OUTPUT("VIB1OUT"),
+        SND_SOC_DAPM_OUTPUT("VIB2OUT"),
+
+        SND_SOC_DAPM_INPUT("AMIC1"), /* headset mic */
+        SND_SOC_DAPM_INPUT("AMIC2"),
+        SND_SOC_DAPM_INPUT("DMIC1"),
+        SND_SOC_DAPM_INPUT("DMIC2"),
+        SND_SOC_DAPM_INPUT("DMIC3"),
+        SND_SOC_DAPM_INPUT("DMIC4"),
+        SND_SOC_DAPM_INPUT("DMIC5"),
+        SND_SOC_DAPM_INPUT("DMIC6"),
+        SND_SOC_DAPM_INPUT("LINEINL"),
+        SND_SOC_DAPM_INPUT("LINEINR"),
+
+        SND_SOC_DAPM_MICBIAS("AMIC1Bias", SN95031_MICBIAS, 2, 0),
+        SND_SOC_DAPM_MICBIAS("AMIC2Bias", SN95031_MICBIAS, 3, 0),
+        SND_SOC_DAPM_MICBIAS("DMIC12Bias", SN95031_DMICMUX, 3, 0),
+        SND_SOC_DAPM_MICBIAS("DMIC34Bias", SN95031_DMICMUX, 4, 0),
+        SND_SOC_DAPM_MICBIAS("DMIC56Bias", SN95031_DMICMUX, 5, 0),
+
+        SND_SOC_DAPM_SUPPLY("DMIC12supply", SN95031_DMICLK, 0, 0,
+                                sn95031_dmic12_event,
+                                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+        SND_SOC_DAPM_SUPPLY("DMIC34supply", SN95031_DMICLK, 1, 0,
+                                sn95031_dmic34_event,
+                                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+        SND_SOC_DAPM_SUPPLY("DMIC56supply", SN95031_DMICLK, 2, 0,
+                                sn95031_dmic56_event,
+                                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+        SND_SOC_DAPM_AIF_OUT("PCM_Out", "Capture", 0,
+                        SND_SOC_NOPM, 0, 0),
+
+        SND_SOC_DAPM_SUPPLY("Headset Rail", SND_SOC_NOPM, 0, 0,
+                        sn95031_vhs_event,
+                        SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+        SND_SOC_DAPM_SUPPLY("Speaker Rail", SND_SOC_NOPM, 0, 0,
+                        sn95031_vihf_event,
+                        SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+        /* playback path driver enables */
+        SND_SOC_DAPM_PGA("Headset Left Playback",
+                        SN95031_DRIVEREN, 0, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("Headset Right Playback",
+                        SN95031_DRIVEREN, 1, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("Speaker Left Playback",
+                        SN95031_DRIVEREN, 2, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("Speaker Right Playback",
+                        SN95031_DRIVEREN, 3, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("Vibra1 Playback",
+                        SN95031_DRIVEREN, 4, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("Vibra2 Playback",
+                        SN95031_DRIVEREN, 5, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("Earpiece Playback",
+                        SN95031_DRIVEREN, 6, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("Lineout Left Playback",
+                        SN95031_LOCTL, 0, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("Lineout Right Playback",
+                        SN95031_LOCTL, 4, 0, NULL, 0),
+
+        /* playback path filter enable */
+        SND_SOC_DAPM_PGA("Headset Left Filter",
+                        SN95031_HSEPRXCTRL, 4, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("Headset Right Filter",
+                        SN95031_HSEPRXCTRL, 5, 0,  NULL, 0),
+        SND_SOC_DAPM_PGA("Speaker Left Filter",
+                        SN95031_IHFRXCTRL, 0, 0,  NULL, 0),
+        SND_SOC_DAPM_PGA("Speaker Right Filter",
+                        SN95031_IHFRXCTRL, 1, 0,  NULL, 0),
+
+        /* DACs */
+        SND_SOC_DAPM_DAC("HSDAC Left", "Headset",
+                        SN95031_DACCONFIG, 0, 0),
+        SND_SOC_DAPM_DAC("HSDAC Right", "Headset",
+                        SN95031_DACCONFIG, 1, 0),
+        SND_SOC_DAPM_DAC("IHFDAC Left", "Speaker",
+                        SN95031_DACCONFIG, 2, 0),
+        SND_SOC_DAPM_DAC("IHFDAC Right", "Speaker",
+                        SN95031_DACCONFIG, 3, 0),
+        SND_SOC_DAPM_DAC("Vibra1 DAC", "Vibra1",
+                        SN95031_VIB1C5, 1, 0),
+        SND_SOC_DAPM_DAC("Vibra2 DAC", "Vibra2",
+                        SN95031_VIB2C5, 1, 0),
+
+        /* capture widgets */
+        SND_SOC_DAPM_PGA("LineIn Enable Left", SN95031_MICAMP1,
+                                7, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("LineIn Enable Right", SN95031_MICAMP2,
+                                7, 0, NULL, 0),
+
+        SND_SOC_DAPM_PGA("MIC1 Enable", SN95031_MICAMP1, 0, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("MIC2 Enable", SN95031_MICAMP2, 0, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("TX1 Enable", SN95031_AUDIOTXEN, 2, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("TX2 Enable", SN95031_AUDIOTXEN, 3, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("TX3 Enable", SN95031_AUDIOTXEN, 4, 0, NULL, 0),
+        SND_SOC_DAPM_PGA("TX4 Enable", SN95031_AUDIOTXEN, 5, 0, NULL, 0),
+
+        /* ADC have null stream as they will be turned ON by TX path */
+        SND_SOC_DAPM_ADC("ADC Left", NULL,
+                        SN95031_ADCCONFIG, 0, 0),
+        SND_SOC_DAPM_ADC("ADC Right", NULL,
+                        SN95031_ADCCONFIG, 2, 0),
+
+        SND_SOC_DAPM_MUX("Mic_InputL Capture Route",
+                        SND_SOC_NOPM, 0, 0, &sn95031_micl_mux_control),
+        SND_SOC_DAPM_MUX("Mic_InputR Capture Route",
+                        SND_SOC_NOPM, 0, 0, &sn95031_micr_mux_control),
+
+        SND_SOC_DAPM_MUX("Txpath1 Capture Route",
+                        SND_SOC_NOPM, 0, 0, &sn95031_input1_mux_control),
+        SND_SOC_DAPM_MUX("Txpath2 Capture Route",
+                        SND_SOC_NOPM, 0, 0, &sn95031_input2_mux_control),
+        SND_SOC_DAPM_MUX("Txpath3 Capture Route",
+                        SND_SOC_NOPM, 0, 0, &sn95031_input3_mux_control),
+        SND_SOC_DAPM_MUX("Txpath4 Capture Route",
+                        SND_SOC_NOPM, 0, 0, &sn95031_input4_mux_control),
+
+};
+
+static const struct snd_soc_dapm_route sn95031_audio_map[] = {
+        /* headset and earpiece map */
+        { "HPOUTL", NULL, "Headset Rail"},
+        { "HPOUTR", NULL, "Headset Rail"},
+        { "HPOUTL", NULL, "Headset Left Playback" },
+        { "HPOUTR", NULL, "Headset Right Playback" },
+        { "EPOUT", NULL, "Earpiece Playback" },
+        { "Headset Left Playback", NULL, "Headset Left Filter"},
+        { "Headset Right Playback", NULL, "Headset Right Filter"},
+        { "Earpiece Playback", NULL, "Headset Left Filter"},
+        { "Headset Left Filter", NULL, "HSDAC Left"},
+        { "Headset Right Filter", NULL, "HSDAC Right"},
+
+        /* speaker map */
+        { "IHFOUTL", NULL, "Speaker Rail"},
+        { "IHFOUTR", NULL, "Speaker Rail"},
+        { "IHFOUTL", "NULL", "Speaker Left Playback"},
+        { "IHFOUTR", "NULL", "Speaker Right Playback"},
+        { "Speaker Left Playback", NULL, "Speaker Left Filter"},
+        { "Speaker Right Playback", NULL, "Speaker Right Filter"},
+        { "Speaker Left Filter", NULL, "IHFDAC Left"},
+        { "Speaker Right Filter", NULL, "IHFDAC Right"},
+
+        /* vibra map */
+        { "VIB1OUT", NULL, "Vibra1 Playback"},
+        { "Vibra1 Playback", NULL, "Vibra1 DAC"},
+
+        { "VIB2OUT", NULL, "Vibra2 Playback"},
+        { "Vibra2 Playback", NULL, "Vibra2 DAC"},
+
+        /* lineout */
+        { "LINEOUTL", NULL, "Lineout Left Playback"},
+        { "LINEOUTR", NULL, "Lineout Right Playback"},
+        { "Lineout Left Playback", NULL, "Headset Left Filter"},
+        { "Lineout Left Playback", NULL, "Speaker Left Filter"},
+        { "Lineout Left Playback", NULL, "Vibra1 DAC"},
+        { "Lineout Right Playback", NULL, "Headset Right Filter"},
+        { "Lineout Right Playback", NULL, "Speaker Right Filter"},
+        { "Lineout Right Playback", NULL, "Vibra2 DAC"},
+
+        /* Headset (AMIC1) mic */
+        { "AMIC1Bias", NULL, "AMIC1"},
+        { "MIC1 Enable", NULL, "AMIC1Bias"},
+        { "Mic_InputL Capture Route", "AMIC", "MIC1 Enable"},
+
+        /* AMIC2 */
+        { "AMIC2Bias", NULL, "AMIC2"},
+        { "MIC2 Enable", NULL, "AMIC2Bias"},
+        { "Mic_InputR Capture Route", "AMIC", "MIC2 Enable"},
+
+
+        /* Linein */
+        { "LineIn Enable Left", NULL, "LINEINL"},
+        { "LineIn Enable Right", NULL, "LINEINR"},
+        { "Mic_InputL Capture Route", "LineIn", "LineIn Enable Left"},
+        { "Mic_InputR Capture Route", "LineIn", "LineIn Enable Right"},
+
+        /* ADC connection */
+        { "ADC Left", NULL, "Mic_InputL Capture Route"},
+        { "ADC Right", NULL, "Mic_InputR Capture Route"},
+
+        /*DMIC connections */
+        { "DMIC1", NULL, "DMIC12supply"},
+        { "DMIC2", NULL, "DMIC12supply"},
+        { "DMIC3", NULL, "DMIC34supply"},
+        { "DMIC4", NULL, "DMIC34supply"},
+        { "DMIC5", NULL, "DMIC56supply"},
+        { "DMIC6", NULL, "DMIC56supply"},
+
+        { "DMIC12Bias", NULL, "DMIC1"},
+        { "DMIC12Bias", NULL, "DMIC2"},
+        { "DMIC34Bias", NULL, "DMIC3"},
+        { "DMIC34Bias", NULL, "DMIC4"},
+        { "DMIC56Bias", NULL, "DMIC5"},
+        { "DMIC56Bias", NULL, "DMIC6"},
+
+        /*TX path inputs*/
+        { "Txpath1 Capture Route", "ADC Left", "ADC Left"},
+        { "Txpath2 Capture Route", "ADC Left", "ADC Left"},
+        { "Txpath3 Capture Route", "ADC Left", "ADC Left"},
+        { "Txpath4 Capture Route", "ADC Left", "ADC Left"},
+        { "Txpath1 Capture Route", "ADC Right", "ADC Right"},
+        { "Txpath2 Capture Route", "ADC Right", "ADC Right"},
+        { "Txpath3 Capture Route", "ADC Right", "ADC Right"},
+        { "Txpath4 Capture Route", "ADC Right", "ADC Right"},
+        { "Txpath1 Capture Route", "DMIC1", "DMIC1"},
+        { "Txpath2 Capture Route", "DMIC1", "DMIC1"},
+        { "Txpath3 Capture Route", "DMIC1", "DMIC1"},
+        { "Txpath4 Capture Route", "DMIC1", "DMIC1"},
+        { "Txpath1 Capture Route", "DMIC2", "DMIC2"},
+        { "Txpath2 Capture Route", "DMIC2", "DMIC2"},
+        { "Txpath3 Capture Route", "DMIC2", "DMIC2"},
+        { "Txpath4 Capture Route", "DMIC2", "DMIC2"},
+        { "Txpath1 Capture Route", "DMIC3", "DMIC3"},
+        { "Txpath2 Capture Route", "DMIC3", "DMIC3"},
+        { "Txpath3 Capture Route", "DMIC3", "DMIC3"},
+        { "Txpath4 Capture Route", "DMIC3", "DMIC3"},
+        { "Txpath1 Capture Route", "DMIC4", "DMIC4"},
+        { "Txpath2 Capture Route", "DMIC4", "DMIC4"},
+        { "Txpath3 Capture Route", "DMIC4", "DMIC4"},
+        { "Txpath4 Capture Route", "DMIC4", "DMIC4"},
+        { "Txpath1 Capture Route", "DMIC5", "DMIC5"},
+        { "Txpath2 Capture Route", "DMIC5", "DMIC5"},
+        { "Txpath3 Capture Route", "DMIC5", "DMIC5"},
+        { "Txpath4 Capture Route", "DMIC5", "DMIC5"},
+        { "Txpath1 Capture Route", "DMIC6", "DMIC6"},
+        { "Txpath2 Capture Route", "DMIC6", "DMIC6"},
+        { "Txpath3 Capture Route", "DMIC6", "DMIC6"},
+        { "Txpath4 Capture Route", "DMIC6", "DMIC6"},
+
+        /* tx path */
+        { "TX1 Enable", NULL, "Txpath1 Capture Route"},
+        { "TX2 Enable", NULL, "Txpath2 Capture Route"},
+        { "TX3 Enable", NULL, "Txpath3 Capture Route"},
+        { "TX4 Enable", NULL, "Txpath4 Capture Route"},
+        { "PCM_Out", NULL, "TX1 Enable"},
+        { "PCM_Out", NULL, "TX2 Enable"},
+        { "PCM_Out", NULL, "TX3 Enable"},
+        { "PCM_Out", NULL, "TX4 Enable"},
+
+};
+
+/* speaker and headset mutes, for audio pops and clicks */
+static int sn95031_pcm_hs_mute(struct snd_soc_dai *dai, int mute)
+{
+        snd_soc_update_bits(dai->codec,
+                        SN95031_HSLVOLCTRL, BIT(7), (!mute << 7));
+        snd_soc_update_bits(dai->codec,
+                        SN95031_HSRVOLCTRL, BIT(7), (!mute << 7));
+        return 0;
+}
+
+static int sn95031_pcm_spkr_mute(struct snd_soc_dai *dai, int mute)
+{
+        snd_soc_update_bits(dai->codec,
+                        SN95031_IHFLVOLCTRL, BIT(7), (!mute << 7));
+        snd_soc_update_bits(dai->codec,
+                        SN95031_IHFRVOLCTRL, BIT(7), (!mute << 7));
+        return 0;
+}
+
+int sn95031_pcm_hw_params(struct snd_pcm_substream *substream,
+                struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+        unsigned int format, rate;
+
+        switch (params_format(params)) {
+        case SNDRV_PCM_FORMAT_S16_LE:
+                format = BIT(4)|BIT(5);
+                break;
+
+        case SNDRV_PCM_FORMAT_S24_LE:
+                format = 0;
+                break;
+        default:
+                return -EINVAL;
+        }
+        snd_soc_update_bits(dai->codec, SN95031_PCM2C2,
+                        BIT(4)|BIT(5), format);
+
+        switch (params_rate(params)) {
+        case 48000:
+                pr_debug("RATE_48000\n");
+                rate = 0;
+                break;
+
+        case 44100:
+                pr_debug("RATE_44100\n");
+                rate = BIT(7);
+                break;
+
+        default:
+                pr_err("ERR rate %d\n", params_rate(params));
+                return -EINVAL;
+        }
+        snd_soc_update_bits(dai->codec, SN95031_PCM1C1, BIT(7), rate);
+
+        return 0;
+}
+
+/* Codec DAI section */
+static struct snd_soc_dai_ops sn95031_headset_dai_ops = {
+        .digital_mute   = sn95031_pcm_hs_mute,
+        .hw_params      = sn95031_pcm_hw_params,
+};
+
+static struct snd_soc_dai_ops sn95031_speaker_dai_ops = {
+        .digital_mute   = sn95031_pcm_spkr_mute,
+        .hw_params      = sn95031_pcm_hw_params,
+};
+
+static struct snd_soc_dai_ops sn95031_vib1_dai_ops = {
+        .hw_params      = sn95031_pcm_hw_params,
+};
+
+static struct snd_soc_dai_ops sn95031_vib2_dai_ops = {
+        .hw_params      = sn95031_pcm_hw_params,
+};
+
+struct snd_soc_dai_driver sn95031_dais[] = {
+{
+        .name = "SN95031 Headset",
+        .playback = {
+                .stream_name = "Headset",
+                .channels_min = 2,
+                .channels_max = 2,
+                .rates = SN95031_RATES,
+                .formats = SN95031_FORMATS,
+        },
+        .capture = {
+                .stream_name = "Capture",
+                .channels_min = 1,
+                .channels_max = 5,
+                .rates = SN95031_RATES,
+                .formats = SN95031_FORMATS,
+        },
+        .ops = &sn95031_headset_dai_ops,
+},
+{       .name = "SN95031 Speaker",
+        .playback = {
+                .stream_name = "Speaker",
+                .channels_min = 2,
+                .channels_max = 2,
+                .rates = SN95031_RATES,
+                .formats = SN95031_FORMATS,
+        },
+        .ops = &sn95031_speaker_dai_ops,
+},
+{       .name = "SN95031 Vibra1",
+        .playback = {
+                .stream_name = "Vibra1",
+                .channels_min = 1,
+                .channels_max = 1,
+                .rates = SN95031_RATES,
+                .formats = SN95031_FORMATS,
+        },
+        .ops = &sn95031_vib1_dai_ops,
+},
+{       .name = "SN95031 Vibra2",
+        .playback = {
+                .stream_name = "Vibra2",
+                .channels_min = 1,
+                .channels_max = 1,
+                .rates = SN95031_RATES,
+                .formats = SN95031_FORMATS,
+        },
+        .ops = &sn95031_vib2_dai_ops,
+},
+};
+
+static inline void sn95031_disable_jack_btn(struct snd_soc_codec *codec)
+{
+        snd_soc_write(codec, SN95031_BTNCTRL2, 0x00);
+}
+
+static inline void sn95031_enable_jack_btn(struct snd_soc_codec *codec)
+{
+        snd_soc_write(codec, SN95031_BTNCTRL1, 0x77);
+        snd_soc_write(codec, SN95031_BTNCTRL2, 0x01);
+}
+
+static int sn95031_get_headset_state(struct snd_soc_jack *mfld_jack)
+{
+        int micbias = sn95031_get_mic_bias(mfld_jack->codec);
+
+        int jack_type = snd_soc_jack_get_type(mfld_jack, micbias);
+
+        pr_debug("jack type detected = %d\n", jack_type);
+        if (jack_type == SND_JACK_HEADSET)
+                sn95031_enable_jack_btn(mfld_jack->codec);
+        return jack_type;
+}
+
+void sn95031_jack_detection(struct mfld_jack_data *jack_data)
+{
+        unsigned int status;
+        unsigned int mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_HEADSET;
+
+        pr_debug("interrupt id read in sram = 0x%x\n", jack_data->intr_id);
+        if (jack_data->intr_id & 0x1) {
+                pr_debug("short_push detected\n");
+                status = SND_JACK_HEADSET | SND_JACK_BTN_0;
+        } else if (jack_data->intr_id & 0x2) {
+                pr_debug("long_push detected\n");
+                status = SND_JACK_HEADSET | SND_JACK_BTN_1;
+        } else if (jack_data->intr_id & 0x4) {
+                pr_debug("headset or headphones inserted\n");
+                status = sn95031_get_headset_state(jack_data->mfld_jack);
+        } else if (jack_data->intr_id & 0x8) {
+                pr_debug("headset or headphones removed\n");
+                status = 0;
+                sn95031_disable_jack_btn(jack_data->mfld_jack->codec);
+        } else {
+                pr_err("unidentified interrupt\n");
+                return;
+        }
+
+        snd_soc_jack_report(jack_data->mfld_jack, status, mask);
+        /*button pressed and released so we send explicit button release */
+        if ((status & SND_JACK_BTN_0) | (status & SND_JACK_BTN_1))
+                snd_soc_jack_report(jack_data->mfld_jack,
+                                SND_JACK_HEADSET, mask);
+}
+EXPORT_SYMBOL_GPL(sn95031_jack_detection);
+
+/* codec registration */
+static int sn95031_codec_probe(struct snd_soc_codec *codec)
+{
+        pr_debug("codec_probe called\n");
+
+        codec->dapm.bias_level = SND_SOC_BIAS_OFF;
+        codec->dapm.idle_bias_off = 1;
+
+        /* PCM interface config
+         * This sets the pcm rx slot conguration to max 6 slots
+         * for max 4 dais (2 stereo and 2 mono)
+         */
+        snd_soc_write(codec, SN95031_PCM2RXSLOT01, 0x10);
+        snd_soc_write(codec, SN95031_PCM2RXSLOT23, 0x32);
+        snd_soc_write(codec, SN95031_PCM2RXSLOT45, 0x54);
+        snd_soc_write(codec, SN95031_PCM2TXSLOT01, 0x10);
+        snd_soc_write(codec, SN95031_PCM2TXSLOT23, 0x32);
+        /* pcm port setting
+         * This sets the pcm port to slave and clock at 19.2Mhz which
+         * can support 6slots, sampling rate set per stream in hw-params
+         */
+        snd_soc_write(codec, SN95031_PCM1C1, 0x00);
+        snd_soc_write(codec, SN95031_PCM2C1, 0x01);
+        snd_soc_write(codec, SN95031_PCM2C2, 0x0A);
+        snd_soc_write(codec, SN95031_HSMIXER, BIT(0)|BIT(4));
+        /* vendor vibra workround, the vibras are muted by
+         * custom register so unmute them
+         */
+        snd_soc_write(codec, SN95031_SSR5, 0x80);
+        snd_soc_write(codec, SN95031_SSR6, 0x80);
+        snd_soc_write(codec, SN95031_VIB1C5, 0x00);
+        snd_soc_write(codec, SN95031_VIB2C5, 0x00);
+        /* configure vibras for pcm port */
+        snd_soc_write(codec, SN95031_VIB1C3, 0x00);
+        snd_soc_write(codec, SN95031_VIB2C3, 0x00);
+
+        /* soft mute ramp time */
+        snd_soc_write(codec, SN95031_SOFTMUTE, 0x3);
+        /* fix the initial volume at 1dB,
+         * default in +9dB,
+         * 1dB give optimal swing on DAC, amps
+         */
+        snd_soc_write(codec, SN95031_HSLVOLCTRL, 0x08);
+        snd_soc_write(codec, SN95031_HSRVOLCTRL, 0x08);
+        snd_soc_write(codec, SN95031_IHFLVOLCTRL, 0x08);
+        snd_soc_write(codec, SN95031_IHFRVOLCTRL, 0x08);
+        /* dac mode and lineout workaround */
+        snd_soc_write(codec, SN95031_SSR2, 0x10);
+        snd_soc_write(codec, SN95031_SSR3, 0x40);
+
+        snd_soc_add_controls(codec, sn95031_snd_controls,
+                             ARRAY_SIZE(sn95031_snd_controls));
+
+        return 0;
+}
+
+static int sn95031_codec_remove(struct snd_soc_codec *codec)
+{
+        pr_debug("codec_remove called\n");
+        sn95031_set_vaud_bias(codec, SND_SOC_BIAS_OFF);
+
+        return 0;
+}
+
+struct snd_soc_codec_driver sn95031_codec = {
+        .probe          = sn95031_codec_probe,
+        .remove         = sn95031_codec_remove,
+        .read           = sn95031_read,
+        .write          = sn95031_write,
+        .set_bias_level = sn95031_set_vaud_bias,
+        .dapm_widgets   = sn95031_dapm_widgets,
+        .num_dapm_widgets       = ARRAY_SIZE(sn95031_dapm_widgets),
+        .dapm_routes    = sn95031_audio_map,
+        .num_dapm_routes        = ARRAY_SIZE(sn95031_audio_map),
+};
+
+static int __devinit sn95031_device_probe(struct platform_device *pdev)
+{
+        pr_debug("codec device probe called for %s\n", dev_name(&pdev->dev));
+        return snd_soc_register_codec(&pdev->dev, &sn95031_codec,
+                        sn95031_dais, ARRAY_SIZE(sn95031_dais));
+}
+
+static int __devexit sn95031_device_remove(struct platform_device *pdev)
+{
+        pr_debug("codec device remove called\n");
+        snd_soc_unregister_codec(&pdev->dev);
+        return 0;
+}
+
+static struct platform_driver sn95031_codec_driver = {
+        .driver         = {
+                .name           = "sn95031",
+                .owner          = THIS_MODULE,
+        },
+        .probe          = sn95031_device_probe,
+        .remove         = __devexit_p(sn95031_device_remove),
+};
+
+static int __init sn95031_init(void)
+{
+        pr_debug("driver init called\n");
+        return platform_driver_register(&sn95031_codec_driver);
+}
+module_init(sn95031_init);
+
+static void __exit sn95031_exit(void)
+{
+        pr_debug("driver exit called\n");
+        platform_driver_unregister(&sn95031_codec_driver);
+}
+module_exit(sn95031_exit);
+
+MODULE_DESCRIPTION("ASoC TI SN95031 codec driver");
+MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>");
+MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:sn95031");