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mt6351.c
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// SPDX-License-Identifier: GPL-2.0
//
// mt6351.c -- mt6351 ALSA SoC audio codec driver
//
// Copyright (c) 2018 MediaTek Inc.
// Author: KaiChieh Chuang <[email protected]>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/delay.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include "mt6351.h"
/* MT6351_TOP_CLKSQ */
#define RG_CLKSQ_EN_AUD_BIT (0)
/* MT6351_TOP_CKPDN_CON0 */
#define RG_AUDNCP_CK_PDN_BIT (12)
#define RG_AUDIF_CK_PDN_BIT (13)
#define RG_AUD_CK_PDN_BIT (14)
#define RG_ZCD13M_CK_PDN_BIT (15)
/* MT6351_AUDDEC_ANA_CON0 */
#define RG_AUDDACLPWRUP_VAUDP32_BIT (0)
#define RG_AUDDACRPWRUP_VAUDP32_BIT (1)
#define RG_AUD_DAC_PWR_UP_VA32_BIT (2)
#define RG_AUD_DAC_PWL_UP_VA32_BIT (3)
#define RG_AUDHSPWRUP_VAUDP32_BIT (4)
#define RG_AUDHPLPWRUP_VAUDP32_BIT (5)
#define RG_AUDHPRPWRUP_VAUDP32_BIT (6)
#define RG_AUDHSMUXINPUTSEL_VAUDP32_SFT (7)
#define RG_AUDHSMUXINPUTSEL_VAUDP32_MASK (0x3)
#define RG_AUDHPLMUXINPUTSEL_VAUDP32_SFT (9)
#define RG_AUDHPLMUXINPUTSEL_VAUDP32_MASK (0x3)
#define RG_AUDHPRMUXINPUTSEL_VAUDP32_SFT (11)
#define RG_AUDHPRMUXINPUTSEL_VAUDP32_MASK (0x3)
#define RG_AUDHSSCDISABLE_VAUDP32 (13)
#define RG_AUDHPLSCDISABLE_VAUDP32_BIT (14)
#define RG_AUDHPRSCDISABLE_VAUDP32_BIT (15)
/* MT6351_AUDDEC_ANA_CON1 */
#define RG_HSOUTPUTSTBENH_VAUDP32_BIT (8)
/* MT6351_AUDDEC_ANA_CON3 */
#define RG_AUDLOLPWRUP_VAUDP32_BIT (2)
#define RG_AUDLOLMUXINPUTSEL_VAUDP32_SFT (3)
#define RG_AUDLOLMUXINPUTSEL_VAUDP32_MASK (0x3)
#define RG_AUDLOLSCDISABLE_VAUDP32_BIT (5)
#define RG_LOOUTPUTSTBENH_VAUDP32_BIT (9)
/* MT6351_AUDDEC_ANA_CON6 */
#define RG_ABIDEC_RSVD0_VAUDP32_HPL_BIT (8)
#define RG_ABIDEC_RSVD0_VAUDP32_HPR_BIT (9)
#define RG_ABIDEC_RSVD0_VAUDP32_HS_BIT (10)
#define RG_ABIDEC_RSVD0_VAUDP32_LOL_BIT (11)
/* MT6351_AUDDEC_ANA_CON9 */
#define RG_AUDIBIASPWRDN_VAUDP32_BIT (8)
#define RG_RSTB_DECODER_VA32_BIT (9)
#define RG_AUDGLB_PWRDN_VA32_BIT (12)
#define RG_LCLDO_DEC_EN_VA32_BIT (13)
#define RG_LCLDO_DEC_REMOTE_SENSE_VA18_BIT (15)
/* MT6351_AUDDEC_ANA_CON10 */
#define RG_NVREG_EN_VAUDP32_BIT (8)
#define RG_AUDGLB_LP2_VOW_EN_VA32 10
/* MT6351_AFE_UL_DL_CON0 */
#define RG_AFE_ON_BIT (0)
/* MT6351_AFE_DL_SRC2_CON0_L */
#define RG_DL_2_SRC_ON_TMP_CTL_PRE_BIT (0)
/* MT6351_AFE_UL_SRC_CON0_L */
#define UL_SRC_ON_TMP_CTL (0)
/* MT6351_AFE_TOP_CON0 */
#define RG_DL_SINE_ON_SFT (0)
#define RG_DL_SINE_ON_MASK (0x1)
#define RG_UL_SINE_ON_SFT (1)
#define RG_UL_SINE_ON_MASK (0x1)
/* MT6351_AUDIO_TOP_CON0 */
#define AUD_TOP_PDN_RESERVED_BIT 0
#define AUD_TOP_PWR_CLK_DIS_CTL_BIT 2
#define AUD_TOP_PDN_ADC_CTL_BIT 5
#define AUD_TOP_PDN_DAC_CTL_BIT 6
#define AUD_TOP_PDN_AFE_CTL_BIT 7
/* MT6351_AFE_SGEN_CFG0 */
#define SGEN_C_MUTE_SW_CTL_BIT 6
#define SGEN_C_DAC_EN_CTL_BIT 7
/* MT6351_AFE_NCP_CFG0 */
#define RG_NCP_ON_BIT 0
/* MT6351_LDO_VUSB33_CON0 */
#define RG_VUSB33_EN 1
#define RG_VUSB33_ON_CTRL 3
/* MT6351_LDO_VA18_CON0 */
#define RG_VA18_EN 1
#define RG_VA18_ON_CTRL 3
/* MT6351_AUDENC_ANA_CON0 */
#define RG_AUDPREAMPLON 0
#define RG_AUDPREAMPLDCCEN 1
#define RG_AUDPREAMPLDCPRECHARGE 2
#define RG_AUDPREAMPLINPUTSEL_SFT (4)
#define RG_AUDPREAMPLINPUTSEL_MASK (0x3)
#define RG_AUDADCLPWRUP 12
#define RG_AUDADCLINPUTSEL_SFT (13)
#define RG_AUDADCLINPUTSEL_MASK (0x3)
/* MT6351_AUDENC_ANA_CON1 */
#define RG_AUDPREAMPRON 0
#define RG_AUDPREAMPRDCCEN 1
#define RG_AUDPREAMPRDCPRECHARGE 2
#define RG_AUDPREAMPRINPUTSEL_SFT (4)
#define RG_AUDPREAMPRINPUTSEL_MASK (0x3)
#define RG_AUDADCRPWRUP 12
#define RG_AUDADCRINPUTSEL_SFT (13)
#define RG_AUDADCRINPUTSEL_MASK (0x3)
/* MT6351_AUDENC_ANA_CON3 */
#define RG_AUDADCCLKRSTB 6
/* MT6351_AUDENC_ANA_CON9 */
#define RG_AUDPWDBMICBIAS0 0
#define RG_AUDMICBIAS0VREF 4
#define RG_AUDMICBIAS0LOWPEN 7
#define RG_AUDPWDBMICBIAS2 8
#define RG_AUDMICBIAS2VREF 12
#define RG_AUDMICBIAS2LOWPEN 15
/* MT6351_AUDENC_ANA_CON10 */
#define RG_AUDPWDBMICBIAS1 0
#define RG_AUDMICBIAS1DCSW1NEN 2
#define RG_AUDMICBIAS1VREF 4
#define RG_AUDMICBIAS1LOWPEN 7
enum {
AUDIO_ANALOG_VOLUME_HSOUTL,
AUDIO_ANALOG_VOLUME_HSOUTR,
AUDIO_ANALOG_VOLUME_HPOUTL,
AUDIO_ANALOG_VOLUME_HPOUTR,
AUDIO_ANALOG_VOLUME_LINEOUTL,
AUDIO_ANALOG_VOLUME_LINEOUTR,
AUDIO_ANALOG_VOLUME_MICAMP1,
AUDIO_ANALOG_VOLUME_MICAMP2,
AUDIO_ANALOG_VOLUME_TYPE_MAX
};
/* Supply subseq */
enum {
SUPPLY_SUBSEQ_SETTING,
SUPPLY_SUBSEQ_ENABLE,
SUPPLY_SUBSEQ_MICBIAS,
};
#define REG_STRIDE 2
struct mt6351_priv {
struct device *dev;
struct regmap *regmap;
unsigned int dl_rate;
unsigned int ul_rate;
int ana_gain[AUDIO_ANALOG_VOLUME_TYPE_MAX];
int hp_en_counter;
};
static void set_hp_gain_zero(struct snd_soc_component *cmpnt)
{
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON2,
0x1f << 7, 0x8 << 7);
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON2,
0x1f << 0, 0x8 << 0);
}
static unsigned int get_cap_reg_val(struct snd_soc_component *cmpnt,
unsigned int rate)
{
switch (rate) {
case 8000:
return 0;
case 16000:
return 1;
case 32000:
return 2;
case 48000:
return 3;
case 96000:
return 4;
case 192000:
return 5;
default:
dev_warn(cmpnt->dev, "%s(), error rate %d, return 3",
__func__, rate);
return 3;
}
}
static unsigned int get_play_reg_val(struct snd_soc_component *cmpnt,
unsigned int rate)
{
switch (rate) {
case 8000:
return 0;
case 11025:
return 1;
case 12000:
return 2;
case 16000:
return 3;
case 22050:
return 4;
case 24000:
return 5;
case 32000:
return 6;
case 44100:
return 7;
case 48000:
case 96000:
case 192000:
return 8;
default:
dev_warn(cmpnt->dev, "%s(), error rate %d, return 8",
__func__, rate);
return 8;
}
}
static int mt6351_codec_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_component *cmpnt = dai->component;
struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
unsigned int rate = params_rate(params);
dev_dbg(priv->dev, "%s(), substream->stream %d, rate %d\n",
__func__, substream->stream, rate);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
priv->dl_rate = rate;
else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
priv->ul_rate = rate;
return 0;
}
static const struct snd_soc_dai_ops mt6351_codec_dai_ops = {
.hw_params = mt6351_codec_dai_hw_params,
};
#define MT6351_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |\
SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE |\
SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE |\
SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE |\
SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE)
static struct snd_soc_dai_driver mt6351_dai_driver[] = {
{
.name = "mt6351-snd-codec-aif1",
.playback = {
.stream_name = "AIF1 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000 |
SNDRV_PCM_RATE_96000 |
SNDRV_PCM_RATE_192000,
.formats = MT6351_FORMATS,
},
.capture = {
.stream_name = "AIF1 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000 |
SNDRV_PCM_RATE_192000,
.formats = MT6351_FORMATS,
},
.ops = &mt6351_codec_dai_ops,
},
};
enum {
HP_GAIN_SET_ZERO,
HP_GAIN_RESTORE,
};
static void hp_gain_ramp_set(struct snd_soc_component *cmpnt, int hp_gain_ctl)
{
struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
int idx, old_idx, offset, reg_idx;
if (hp_gain_ctl == HP_GAIN_SET_ZERO) {
idx = 8; /* 0dB */
old_idx = priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL];
} else {
idx = priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL];
old_idx = 8; /* 0dB */
}
dev_dbg(priv->dev, "%s(), idx %d, old_idx %d\n",
__func__, idx, old_idx);
if (idx > old_idx)
offset = idx - old_idx;
else
offset = old_idx - idx;
reg_idx = old_idx;
while (offset > 0) {
reg_idx = idx > old_idx ? reg_idx + 1 : reg_idx - 1;
/* check valid range, and set value */
if ((reg_idx >= 0 && reg_idx <= 0x12) || reg_idx == 0x1f) {
regmap_update_bits(cmpnt->regmap,
MT6351_ZCD_CON2,
0xf9f,
(reg_idx << 7) | reg_idx);
usleep_range(100, 120);
}
offset--;
}
}
static void hp_zcd_enable(struct snd_soc_component *cmpnt)
{
/* Enable ZCD, for minimize pop noise */
/* when adjust gain during HP buffer on */
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x7 << 8, 0x1 << 8);
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 7, 0x0 << 7);
/* timeout, 1=5ms, 0=30ms */
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 6, 0x1 << 6);
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x3 << 4, 0x0 << 4);
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x7 << 1, 0x5 << 1);
regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 0, 0x1 << 0);
}
static void hp_zcd_disable(struct snd_soc_component *cmpnt)
{
regmap_write(cmpnt->regmap, MT6351_ZCD_CON0, 0x0000);
}
static const DECLARE_TLV_DB_SCALE(playback_tlv, -1000, 100, 0);
static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 600, 0);
static const struct snd_kcontrol_new mt6351_snd_controls[] = {
/* dl pga gain */
SOC_DOUBLE_TLV("Headphone Volume",
MT6351_ZCD_CON2, 0, 7, 0x12, 1,
playback_tlv),
SOC_DOUBLE_TLV("Lineout Volume",
MT6351_ZCD_CON1, 0, 7, 0x12, 1,
playback_tlv),
SOC_SINGLE_TLV("Handset Volume",
MT6351_ZCD_CON3, 0, 0x12, 1,
playback_tlv),
/* ul pga gain */
SOC_DOUBLE_R_TLV("PGA Volume",
MT6351_AUDENC_ANA_CON0, MT6351_AUDENC_ANA_CON1,
8, 4, 0,
pga_tlv),
};
/* MUX */
/* LOL MUX */
static const char *const lo_in_mux_map[] = {
"Open", "Mute", "Playback", "Test Mode",
};
static int lo_in_mux_map_value[] = {
0x0, 0x1, 0x2, 0x3,
};
static SOC_VALUE_ENUM_SINGLE_DECL(lo_in_mux_map_enum,
MT6351_AUDDEC_ANA_CON3,
RG_AUDLOLMUXINPUTSEL_VAUDP32_SFT,
RG_AUDLOLMUXINPUTSEL_VAUDP32_MASK,
lo_in_mux_map,
lo_in_mux_map_value);
static const struct snd_kcontrol_new lo_in_mux_control =
SOC_DAPM_ENUM("In Select", lo_in_mux_map_enum);
/*HP MUX */
static const char *const hp_in_mux_map[] = {
"Open", "LoudSPK Playback", "Audio Playback", "Test Mode",
};
static int hp_in_mux_map_value[] = {
0x0, 0x1, 0x2, 0x3,
};
static SOC_VALUE_ENUM_SINGLE_DECL(hpl_in_mux_map_enum,
MT6351_AUDDEC_ANA_CON0,
RG_AUDHPLMUXINPUTSEL_VAUDP32_SFT,
RG_AUDHPLMUXINPUTSEL_VAUDP32_MASK,
hp_in_mux_map,
hp_in_mux_map_value);
static const struct snd_kcontrol_new hpl_in_mux_control =
SOC_DAPM_ENUM("HPL Select", hpl_in_mux_map_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(hpr_in_mux_map_enum,
MT6351_AUDDEC_ANA_CON0,
RG_AUDHPRMUXINPUTSEL_VAUDP32_SFT,
RG_AUDHPRMUXINPUTSEL_VAUDP32_MASK,
hp_in_mux_map,
hp_in_mux_map_value);
static const struct snd_kcontrol_new hpr_in_mux_control =
SOC_DAPM_ENUM("HPR Select", hpr_in_mux_map_enum);
/* RCV MUX */
static const char *const rcv_in_mux_map[] = {
"Open", "Mute", "Voice Playback", "Test Mode",
};
static int rcv_in_mux_map_value[] = {
0x0, 0x1, 0x2, 0x3,
};
static SOC_VALUE_ENUM_SINGLE_DECL(rcv_in_mux_map_enum,
MT6351_AUDDEC_ANA_CON0,
RG_AUDHSMUXINPUTSEL_VAUDP32_SFT,
RG_AUDHSMUXINPUTSEL_VAUDP32_MASK,
rcv_in_mux_map,
rcv_in_mux_map_value);
static const struct snd_kcontrol_new rcv_in_mux_control =
SOC_DAPM_ENUM("RCV Select", rcv_in_mux_map_enum);
/* DAC In MUX */
static const char *const dac_in_mux_map[] = {
"Normal Path", "Sgen",
};
static int dac_in_mux_map_value[] = {
0x0, 0x1,
};
static SOC_VALUE_ENUM_SINGLE_DECL(dac_in_mux_map_enum,
MT6351_AFE_TOP_CON0,
RG_DL_SINE_ON_SFT,
RG_DL_SINE_ON_MASK,
dac_in_mux_map,
dac_in_mux_map_value);
static const struct snd_kcontrol_new dac_in_mux_control =
SOC_DAPM_ENUM("DAC Select", dac_in_mux_map_enum);
/* AIF Out MUX */
static SOC_VALUE_ENUM_SINGLE_DECL(aif_out_mux_map_enum,
MT6351_AFE_TOP_CON0,
RG_UL_SINE_ON_SFT,
RG_UL_SINE_ON_MASK,
dac_in_mux_map,
dac_in_mux_map_value);
static const struct snd_kcontrol_new aif_out_mux_control =
SOC_DAPM_ENUM("AIF Out Select", aif_out_mux_map_enum);
/* ADC L MUX */
static const char *const adc_left_mux_map[] = {
"Idle", "AIN0", "Left Preamplifier", "Idle_1",
};
static int adc_left_mux_map_value[] = {
0x0, 0x1, 0x2, 0x3,
};
static SOC_VALUE_ENUM_SINGLE_DECL(adc_left_mux_map_enum,
MT6351_AUDENC_ANA_CON0,
RG_AUDADCLINPUTSEL_SFT,
RG_AUDADCLINPUTSEL_MASK,
adc_left_mux_map,
adc_left_mux_map_value);
static const struct snd_kcontrol_new adc_left_mux_control =
SOC_DAPM_ENUM("ADC L Select", adc_left_mux_map_enum);
/* ADC R MUX */
static const char *const adc_right_mux_map[] = {
"Idle", "AIN0", "Right Preamplifier", "Idle_1",
};
static int adc_right_mux_map_value[] = {
0x0, 0x1, 0x2, 0x3,
};
static SOC_VALUE_ENUM_SINGLE_DECL(adc_right_mux_map_enum,
MT6351_AUDENC_ANA_CON1,
RG_AUDADCRINPUTSEL_SFT,
RG_AUDADCRINPUTSEL_MASK,
adc_right_mux_map,
adc_right_mux_map_value);
static const struct snd_kcontrol_new adc_right_mux_control =
SOC_DAPM_ENUM("ADC R Select", adc_right_mux_map_enum);
/* PGA L MUX */
static const char *const pga_left_mux_map[] = {
"None", "AIN0", "AIN1", "AIN2",
};
static int pga_left_mux_map_value[] = {
0x0, 0x1, 0x2, 0x3,
};
static SOC_VALUE_ENUM_SINGLE_DECL(pga_left_mux_map_enum,
MT6351_AUDENC_ANA_CON0,
RG_AUDPREAMPLINPUTSEL_SFT,
RG_AUDPREAMPLINPUTSEL_MASK,
pga_left_mux_map,
pga_left_mux_map_value);
static const struct snd_kcontrol_new pga_left_mux_control =
SOC_DAPM_ENUM("PGA L Select", pga_left_mux_map_enum);
/* PGA R MUX */
static const char *const pga_right_mux_map[] = {
"None", "AIN0", "AIN3", "AIN2",
};
static int pga_right_mux_map_value[] = {
0x0, 0x1, 0x2, 0x3,
};
static SOC_VALUE_ENUM_SINGLE_DECL(pga_right_mux_map_enum,
MT6351_AUDENC_ANA_CON1,
RG_AUDPREAMPRINPUTSEL_SFT,
RG_AUDPREAMPRINPUTSEL_MASK,
pga_right_mux_map,
pga_right_mux_map_value);
static const struct snd_kcontrol_new pga_right_mux_control =
SOC_DAPM_ENUM("PGA R Select", pga_right_mux_map_enum);
static int mt_reg_set_clr_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
if (w->on_val) {
/* SET REG */
regmap_update_bits(cmpnt->regmap,
w->reg + REG_STRIDE,
0x1 << w->shift,
0x1 << w->shift);
} else {
/* CLR REG */
regmap_update_bits(cmpnt->regmap,
w->reg + REG_STRIDE * 2,
0x1 << w->shift,
0x1 << w->shift);
}
break;
case SND_SOC_DAPM_PRE_PMD:
if (w->off_val) {
/* SET REG */
regmap_update_bits(cmpnt->regmap,
w->reg + REG_STRIDE,
0x1 << w->shift,
0x1 << w->shift);
} else {
/* CLR REG */
regmap_update_bits(cmpnt->regmap,
w->reg + REG_STRIDE * 2,
0x1 << w->shift,
0x1 << w->shift);
}
break;
default:
break;
}
return 0;
}
static int mt_ncp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
regmap_update_bits(cmpnt->regmap, MT6351_AFE_NCP_CFG1,
0xffff, 0x1515);
/* NCP: ck1 and ck2 clock frequecy adjust configure */
regmap_update_bits(cmpnt->regmap, MT6351_AFE_NCP_CFG0,
0xfffe, 0x8C00);
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(250, 270);
break;
default:
break;
}
return 0;
}
static int mt_sgen_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
regmap_update_bits(cmpnt->regmap, MT6351_AFE_SGEN_CFG0,
0xffef, 0x0008);
regmap_update_bits(cmpnt->regmap, MT6351_AFE_SGEN_CFG1,
0xffff, 0x0101);
break;
default:
break;
}
return 0;
}
static int mt_aif_in_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
dev_dbg(priv->dev, "%s(), event 0x%x, rate %d\n",
__func__, event, priv->dl_rate);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* sdm audio fifo clock power on */
regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON2,
0xffff, 0x0006);
/* scrambler clock on enable */
regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON0,
0xffff, 0xC3A1);
/* sdm power on */
regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON2,
0xffff, 0x0003);
/* sdm fifo enable */
regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON2,
0xffff, 0x000B);
/* set attenuation gain */
regmap_update_bits(cmpnt->regmap, MT6351_AFE_DL_SDM_CON1,
0xffff, 0x001E);
regmap_write(cmpnt->regmap, MT6351_AFE_PMIC_NEWIF_CFG0,
(get_play_reg_val(cmpnt, priv->dl_rate) << 12) |
0x330);
regmap_write(cmpnt->regmap, MT6351_AFE_DL_SRC2_CON0_H,
(get_play_reg_val(cmpnt, priv->dl_rate) << 12) |
0x300);
regmap_update_bits(cmpnt->regmap, MT6351_AFE_PMIC_NEWIF_CFG2,
0x8000, 0x8000);
break;
default:
break;
}
return 0;
}
static int mt_hp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
int reg;
dev_dbg(priv->dev, "%s(), event 0x%x, hp_en_counter %d\n",
__func__, event, priv->hp_en_counter);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
priv->hp_en_counter++;
if (priv->hp_en_counter > 1)
break; /* already enabled, do nothing */
else if (priv->hp_en_counter <= 0)
dev_err(priv->dev, "%s(), hp_en_counter %d <= 0\n",
__func__,
priv->hp_en_counter);
hp_zcd_disable(cmpnt);
/* from yoyo HQA script */
regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON6,
0x0700, 0x0700);
/* save target gain to restore after hardware open complete */
regmap_read(cmpnt->regmap, MT6351_ZCD_CON2, ®);
priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL] = reg & 0x1f;
priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTR] = (reg >> 7) & 0x1f;
/* Set HPR/HPL gain as minimum (~ -40dB) */
regmap_update_bits(cmpnt->regmap,
MT6351_ZCD_CON2, 0xffff, 0x0F9F);
/* Set HS gain as minimum (~ -40dB) */
regmap_update_bits(cmpnt->regmap,
MT6351_ZCD_CON3, 0xffff, 0x001F);
/* De_OSC of HP */
regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON2,
0x0001, 0x0001);
/* enable output STBENH */
regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
0xffff, 0x2000);
/* De_OSC of voice, enable output STBENH */
regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
0xffff, 0x2100);
/* Enable voice driver */
regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON0,
0x0010, 0xE090);
/* Enable pre-charge buffer */
regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
0xffff, 0x2140);
usleep_range(50, 60);
/* Apply digital DC compensation value to DAC */
set_hp_gain_zero(cmpnt);
/* Enable HPR/HPL */
regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
0xffff, 0x2100);
/* Disable pre-charge buffer */
regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
0xffff, 0x2000);
/* Disable De_OSC of voice */
regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON0,
0x0010, 0xF4EF);
/* Disable voice buffer */
/* from yoyo HQ */
regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON6,
0x0700, 0x0300);
/* Enable ZCD, for minimize pop noise */
/* when adjust gain during HP buffer on */
hp_zcd_enable(cmpnt);
/* apply volume setting */
hp_gain_ramp_set(cmpnt, HP_GAIN_RESTORE);
break;
case SND_SOC_DAPM_PRE_PMD:
priv->hp_en_counter--;
if (priv->hp_en_counter > 0)
break; /* still being used, don't close */
else if (priv->hp_en_counter < 0)
dev_err(priv->dev, "%s(), hp_en_counter %d <= 0\n",
__func__,
priv->hp_en_counter);
/* Disable AUD_ZCD */
hp_zcd_disable(cmpnt);
/* Set HPR/HPL gain as -1dB, step by step */
hp_gain_ramp_set(cmpnt, HP_GAIN_SET_ZERO);
set_hp_gain_zero(cmpnt);
break;
case SND_SOC_DAPM_POST_PMD:
if (priv->hp_en_counter > 0)
break; /* still being used, don't close */
else if (priv->hp_en_counter < 0)
dev_err(priv->dev, "%s(), hp_en_counter %d <= 0\n",
__func__,
priv->hp_en_counter);
/* reset*/
regmap_update_bits(cmpnt->regmap,
MT6351_AUDDEC_ANA_CON6,
0x0700,
0x0000);
/* De_OSC of HP */
regmap_update_bits(cmpnt->regmap,
MT6351_AUDDEC_ANA_CON2,
0x0001,
0x0000);
/* apply volume setting */
hp_gain_ramp_set(cmpnt, HP_GAIN_RESTORE);
break;
default:
break;
}
return 0;
}
static int mt_aif_out_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
dev_dbg(priv->dev, "%s(), event 0x%x, rate %d\n",
__func__, event, priv->ul_rate);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* dcclk_div=11'b00100000011, dcclk_ref_ck_sel=2'b00 */
regmap_update_bits(cmpnt->regmap, MT6351_AFE_DCCLK_CFG0,
0xffff, 0x2062);
/* dcclk_pdn=1'b0 */
regmap_update_bits(cmpnt->regmap, MT6351_AFE_DCCLK_CFG0,
0xffff, 0x2060);
/* dcclk_gen_on=1'b1 */
regmap_update_bits(cmpnt->regmap, MT6351_AFE_DCCLK_CFG0,
0xffff, 0x2061);
/* UL sample rate and mode configure */
regmap_update_bits(cmpnt->regmap, MT6351_AFE_UL_SRC_CON0_H,
0x000E,
get_cap_reg_val(cmpnt, priv->ul_rate) << 1);
/* fixed 260k path for 8/16/32/48 */
if (priv->ul_rate <= 48000) {
/* anc ul path src on */
regmap_update_bits(cmpnt->regmap,
MT6351_AFE_HPANC_CFG0,
0x1 << 1,
0x1 << 1);
/* ANC clk pdn release */
regmap_update_bits(cmpnt->regmap,
MT6351_AFE_HPANC_CFG0,
0x1 << 0,
0x0 << 0);
}
break;
case SND_SOC_DAPM_PRE_PMD:
/* fixed 260k path for 8/16/32/48 */
if (priv->ul_rate <= 48000) {
/* anc ul path src on */
regmap_update_bits(cmpnt->regmap,
MT6351_AFE_HPANC_CFG0,
0x1 << 1,
0x0 << 1);
/* ANC clk pdn release */
regmap_update_bits(cmpnt->regmap,
MT6351_AFE_HPANC_CFG0,
0x1 << 0,
0x1 << 0);
}
break;
default:
break;
}
return 0;
}
static int mt_adc_clkgen_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* Audio ADC clock gen. mode: 00_divided by 2 (Normal) */
regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON3,
0x3 << 4, 0x0);
break;
case SND_SOC_DAPM_POST_PMU:
/* ADC CLK from: 00_13MHz from CLKSQ (Default) */
regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON3,
0x3 << 2, 0x0);
break;
default:
break;
}
return 0;
}
static int mt_pga_left_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* Audio L PGA precharge on */
regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON0,
0x3 << RG_AUDPREAMPLDCPRECHARGE,
0x1 << RG_AUDPREAMPLDCPRECHARGE);
/* Audio L PGA mode: 1_DCC */
regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON0,
0x3 << RG_AUDPREAMPLDCCEN,
0x1 << RG_AUDPREAMPLDCCEN);
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(100, 120);
/* Audio L PGA precharge off */
regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON0,
0x3 << RG_AUDPREAMPLDCPRECHARGE,
0x0 << RG_AUDPREAMPLDCPRECHARGE);
break;
default:
break;
}
return 0;
}
static int mt_pga_right_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* Audio R PGA precharge on */
regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON1,
0x3 << RG_AUDPREAMPRDCPRECHARGE,
0x1 << RG_AUDPREAMPRDCPRECHARGE);
/* Audio R PGA mode: 1_DCC */
regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON1,
0x3 << RG_AUDPREAMPRDCCEN,
0x1 << RG_AUDPREAMPRDCCEN);
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(100, 120);
/* Audio R PGA precharge off */
regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON1,
0x3 << RG_AUDPREAMPRDCPRECHARGE,
0x0 << RG_AUDPREAMPRDCPRECHARGE);
break;
default:
break;
}
return 0;
}
static int mt_mic_bias_0_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* MIC Bias 0 LowPower: 0_Normal */
regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
0x3 << RG_AUDMICBIAS0LOWPEN, 0x0);
/* MISBIAS0 = 1P9V */
regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
0x7 << RG_AUDMICBIAS0VREF,
0x2 << RG_AUDMICBIAS0VREF);
break;