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mt6358.c
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// SPDX-License-Identifier: GPL-2.0
//
// mt6358.c -- mt6358 ALSA SoC audio codec driver
//
// Copyright (c) 2018 MediaTek Inc.
// Author: KaiChieh Chuang <[email protected]>
#include <linux/platform_device.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/sched.h>
#include <linux/mfd/mt6397/core.h>
#include <linux/regulator/consumer.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include "mt6358.h"
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
};
enum {
MUX_ADC_L,
MUX_ADC_R,
MUX_PGA_L,
MUX_PGA_R,
MUX_MIC_TYPE,
MUX_HP_L,
MUX_HP_R,
MUX_NUM,
};
enum {
DEVICE_HP,
DEVICE_LO,
DEVICE_RCV,
DEVICE_MIC1,
DEVICE_MIC2,
DEVICE_NUM
};
/* Supply widget subseq */
enum {
/* common */
SUPPLY_SEQ_CLK_BUF,
SUPPLY_SEQ_AUD_GLB,
SUPPLY_SEQ_CLKSQ,
SUPPLY_SEQ_VOW_AUD_LPW,
SUPPLY_SEQ_AUD_VOW,
SUPPLY_SEQ_VOW_CLK,
SUPPLY_SEQ_VOW_LDO,
SUPPLY_SEQ_TOP_CK,
SUPPLY_SEQ_TOP_CK_LAST,
SUPPLY_SEQ_AUD_TOP,
SUPPLY_SEQ_AUD_TOP_LAST,
SUPPLY_SEQ_AFE,
/* capture */
SUPPLY_SEQ_ADC_SUPPLY,
};
enum {
CH_L = 0,
CH_R,
NUM_CH,
};
#define REG_STRIDE 2
struct mt6358_priv {
struct device *dev;
struct regmap *regmap;
unsigned int dl_rate;
unsigned int ul_rate;
int ana_gain[AUDIO_ANALOG_VOLUME_TYPE_MAX];
unsigned int mux_select[MUX_NUM];
int dev_counter[DEVICE_NUM];
int mtkaif_protocol;
struct regulator *avdd_reg;
int wov_enabled;
unsigned int dmic_one_wire_mode;
};
int mt6358_set_mtkaif_protocol(struct snd_soc_component *cmpnt,
int mtkaif_protocol)
{
struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
priv->mtkaif_protocol = mtkaif_protocol;
return 0;
}
static void playback_gpio_set(struct mt6358_priv *priv)
{
/* set gpio mosi mode */
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_CLR,
0x01f8, 0x01f8);
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_SET,
0xffff, 0x0249);
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2,
0xffff, 0x0249);
}
static void playback_gpio_reset(struct mt6358_priv *priv)
{
/* set pad_aud_*_mosi to GPIO mode and dir input
* reason:
* pad_aud_dat_mosi*, because the pin is used as boot strap
* don't clean clk/sync, for mtkaif protocol 2
*/
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_CLR,
0x01f8, 0x01f8);
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2,
0x01f8, 0x0000);
regmap_update_bits(priv->regmap, MT6358_GPIO_DIR0,
0xf << 8, 0x0);
}
static void capture_gpio_set(struct mt6358_priv *priv)
{
/* set gpio miso mode */
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_CLR,
0xffff, 0xffff);
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_SET,
0xffff, 0x0249);
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3,
0xffff, 0x0249);
}
static void capture_gpio_reset(struct mt6358_priv *priv)
{
/* set pad_aud_*_miso to GPIO mode and dir input
* reason:
* pad_aud_clk_miso, because when playback only the miso_clk
* will also have 26m, so will have power leak
* pad_aud_dat_miso*, because the pin is used as boot strap
*/
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_CLR,
0xffff, 0xffff);
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3,
0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_GPIO_DIR0,
0xf << 12, 0x0);
}
/* use only when not govern by DAPM */
static int mt6358_set_dcxo(struct mt6358_priv *priv, bool enable)
{
regmap_update_bits(priv->regmap, MT6358_DCXO_CW14,
0x1 << RG_XO_AUDIO_EN_M_SFT,
(enable ? 1 : 0) << RG_XO_AUDIO_EN_M_SFT);
return 0;
}
/* use only when not govern by DAPM */
static int mt6358_set_clksq(struct mt6358_priv *priv, bool enable)
{
/* audio clk source from internal dcxo */
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
RG_CLKSQ_IN_SEL_TEST_MASK_SFT,
0x0);
/* Enable/disable CLKSQ 26MHz */
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
RG_CLKSQ_EN_MASK_SFT,
(enable ? 1 : 0) << RG_CLKSQ_EN_SFT);
return 0;
}
/* use only when not govern by DAPM */
static int mt6358_set_aud_global_bias(struct mt6358_priv *priv, bool enable)
{
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
RG_AUDGLB_PWRDN_VA28_MASK_SFT,
(enable ? 0 : 1) << RG_AUDGLB_PWRDN_VA28_SFT);
return 0;
}
/* use only when not govern by DAPM */
static int mt6358_set_topck(struct mt6358_priv *priv, bool enable)
{
regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
0x0066, enable ? 0x0 : 0x66);
return 0;
}
static int mt6358_mtkaif_tx_enable(struct mt6358_priv *priv)
{
switch (priv->mtkaif_protocol) {
case MT6358_MTKAIF_PROTOCOL_2_CLK_P2:
/* MTKAIF TX format setting */
regmap_update_bits(priv->regmap,
MT6358_AFE_ADDA_MTKAIF_CFG0,
0xffff, 0x0010);
/* enable aud_pad TX fifos */
regmap_update_bits(priv->regmap,
MT6358_AFE_AUD_PAD_TOP,
0xff00, 0x3800);
regmap_update_bits(priv->regmap,
MT6358_AFE_AUD_PAD_TOP,
0xff00, 0x3900);
break;
case MT6358_MTKAIF_PROTOCOL_2:
/* MTKAIF TX format setting */
regmap_update_bits(priv->regmap,
MT6358_AFE_ADDA_MTKAIF_CFG0,
0xffff, 0x0010);
/* enable aud_pad TX fifos */
regmap_update_bits(priv->regmap,
MT6358_AFE_AUD_PAD_TOP,
0xff00, 0x3100);
break;
case MT6358_MTKAIF_PROTOCOL_1:
default:
/* MTKAIF TX format setting */
regmap_update_bits(priv->regmap,
MT6358_AFE_ADDA_MTKAIF_CFG0,
0xffff, 0x0000);
/* enable aud_pad TX fifos */
regmap_update_bits(priv->regmap,
MT6358_AFE_AUD_PAD_TOP,
0xff00, 0x3100);
break;
}
return 0;
}
static int mt6358_mtkaif_tx_disable(struct mt6358_priv *priv)
{
/* disable aud_pad TX fifos */
regmap_update_bits(priv->regmap, MT6358_AFE_AUD_PAD_TOP,
0xff00, 0x3000);
return 0;
}
int mt6358_mtkaif_calibration_enable(struct snd_soc_component *cmpnt)
{
struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
playback_gpio_set(priv);
capture_gpio_set(priv);
mt6358_mtkaif_tx_enable(priv);
mt6358_set_dcxo(priv, true);
mt6358_set_aud_global_bias(priv, true);
mt6358_set_clksq(priv, true);
mt6358_set_topck(priv, true);
/* set dat_miso_loopback on */
regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_MASK_SFT,
1 << RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_SFT);
regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_MASK_SFT,
1 << RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_SFT);
return 0;
}
int mt6358_mtkaif_calibration_disable(struct snd_soc_component *cmpnt)
{
struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
/* set dat_miso_loopback off */
regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_MASK_SFT,
0 << RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_SFT);
regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_MASK_SFT,
0 << RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_SFT);
mt6358_set_topck(priv, false);
mt6358_set_clksq(priv, false);
mt6358_set_aud_global_bias(priv, false);
mt6358_set_dcxo(priv, false);
mt6358_mtkaif_tx_disable(priv);
playback_gpio_reset(priv);
capture_gpio_reset(priv);
return 0;
}
int mt6358_set_mtkaif_calibration_phase(struct snd_soc_component *cmpnt,
int phase_1, int phase_2)
{
struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_PHASE_MODE_MASK_SFT,
phase_1 << RG_AUD_PAD_TOP_PHASE_MODE_SFT);
regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_PHASE_MODE2_MASK_SFT,
phase_2 << RG_AUD_PAD_TOP_PHASE_MODE2_SFT);
return 0;
}
/* dl pga gain */
enum {
DL_GAIN_8DB = 0,
DL_GAIN_0DB = 8,
DL_GAIN_N_1DB = 9,
DL_GAIN_N_10DB = 18,
DL_GAIN_N_40DB = 0x1f,
};
#define DL_GAIN_N_10DB_REG (DL_GAIN_N_10DB << 7 | DL_GAIN_N_10DB)
#define DL_GAIN_N_40DB_REG (DL_GAIN_N_40DB << 7 | DL_GAIN_N_40DB)
#define DL_GAIN_REG_MASK 0x0f9f
static void hp_zcd_disable(struct mt6358_priv *priv)
{
regmap_write(priv->regmap, MT6358_ZCD_CON0, 0x0000);
}
static void hp_main_output_ramp(struct mt6358_priv *priv, bool up)
{
int i = 0, stage = 0;
int target = 7;
/* Enable/Reduce HPL/R main output stage step by step */
for (i = 0; i <= target; i++) {
stage = up ? i : target - i;
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
0x7 << 8, stage << 8);
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
0x7 << 11, stage << 11);
usleep_range(100, 150);
}
}
static void hp_aux_feedback_loop_gain_ramp(struct mt6358_priv *priv, bool up)
{
int i = 0, stage = 0;
/* Reduce HP aux feedback loop gain step by step */
for (i = 0; i <= 0xf; i++) {
stage = up ? i : 0xf - i;
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
0xf << 12, stage << 12);
usleep_range(100, 150);
}
}
static void hp_pull_down(struct mt6358_priv *priv, bool enable)
{
int i;
if (enable) {
for (i = 0x0; i <= 0x6; i++) {
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
0x7, i);
usleep_range(600, 700);
}
} else {
for (i = 0x6; i >= 0x1; i--) {
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
0x7, i);
usleep_range(600, 700);
}
}
}
static bool is_valid_hp_pga_idx(int reg_idx)
{
return (reg_idx >= DL_GAIN_8DB && reg_idx <= DL_GAIN_N_10DB) ||
reg_idx == DL_GAIN_N_40DB;
}
static void headset_volume_ramp(struct mt6358_priv *priv, int from, int to)
{
int offset = 0, count = 0, reg_idx;
if (!is_valid_hp_pga_idx(from) || !is_valid_hp_pga_idx(to))
dev_warn(priv->dev, "%s(), volume index is not valid, from %d, to %d\n",
__func__, from, to);
dev_info(priv->dev, "%s(), from %d, to %d\n",
__func__, from, to);
if (to > from)
offset = to - from;
else
offset = from - to;
while (offset >= 0) {
if (to > from)
reg_idx = from + count;
else
reg_idx = from - count;
if (is_valid_hp_pga_idx(reg_idx)) {
regmap_update_bits(priv->regmap,
MT6358_ZCD_CON2,
DL_GAIN_REG_MASK,
(reg_idx << 7) | reg_idx);
usleep_range(200, 300);
}
offset--;
count++;
}
}
static int mt6358_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct mt6358_priv *priv = snd_soc_component_get_drvdata(component);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
unsigned int reg;
int ret;
ret = snd_soc_put_volsw(kcontrol, ucontrol);
if (ret < 0)
return ret;
switch (mc->reg) {
case MT6358_ZCD_CON2:
regmap_read(priv->regmap, MT6358_ZCD_CON2, ®);
priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL] =
(reg >> RG_AUDHPLGAIN_SFT) & RG_AUDHPLGAIN_MASK;
priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTR] =
(reg >> RG_AUDHPRGAIN_SFT) & RG_AUDHPRGAIN_MASK;
break;
case MT6358_ZCD_CON1:
regmap_read(priv->regmap, MT6358_ZCD_CON1, ®);
priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTL] =
(reg >> RG_AUDLOLGAIN_SFT) & RG_AUDLOLGAIN_MASK;
priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTR] =
(reg >> RG_AUDLORGAIN_SFT) & RG_AUDLORGAIN_MASK;
break;
case MT6358_ZCD_CON3:
regmap_read(priv->regmap, MT6358_ZCD_CON3, ®);
priv->ana_gain[AUDIO_ANALOG_VOLUME_HSOUTL] =
(reg >> RG_AUDHSGAIN_SFT) & RG_AUDHSGAIN_MASK;
priv->ana_gain[AUDIO_ANALOG_VOLUME_HSOUTR] =
(reg >> RG_AUDHSGAIN_SFT) & RG_AUDHSGAIN_MASK;
break;
case MT6358_AUDENC_ANA_CON0:
case MT6358_AUDENC_ANA_CON1:
regmap_read(priv->regmap, MT6358_AUDENC_ANA_CON0, ®);
priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP1] =
(reg >> RG_AUDPREAMPLGAIN_SFT) & RG_AUDPREAMPLGAIN_MASK;
regmap_read(priv->regmap, MT6358_AUDENC_ANA_CON1, ®);
priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP2] =
(reg >> RG_AUDPREAMPRGAIN_SFT) & RG_AUDPREAMPRGAIN_MASK;
break;
}
return ret;
}
static void mt6358_restore_pga(struct mt6358_priv *priv);
static int mt6358_enable_wov_phase2(struct mt6358_priv *priv)
{
/* analog */
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_DCXO_CW14, 0xffff, 0xa2b5);
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
0xffff, 0x0800);
mt6358_restore_pga(priv);
regmap_update_bits(priv->regmap, MT6358_DCXO_CW13, 0xffff, 0x9929);
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
0xffff, 0x0025);
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON8,
0xffff, 0x0005);
/* digital */
regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3, 0xffff, 0x0120);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG0, 0xffff, 0xffff);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG1, 0xffff, 0x0200);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG2, 0xffff, 0x2424);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG3, 0xffff, 0xdbac);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG4, 0xffff, 0x029e);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG5, 0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_POSDIV_CFG0,
0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_HPF_CFG0,
0xffff, 0x0451);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_TOP, 0xffff, 0x68d1);
return 0;
}
static int mt6358_disable_wov_phase2(struct mt6358_priv *priv)
{
/* digital */
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_TOP, 0xffff, 0xc000);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_HPF_CFG0,
0xffff, 0x0450);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_POSDIV_CFG0,
0xffff, 0x0c00);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG5, 0xffff, 0x0100);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG4, 0xffff, 0x006c);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG3, 0xffff, 0xa879);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG2, 0xffff, 0x2323);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG1, 0xffff, 0x0400);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG0, 0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3, 0xffff, 0x02d8);
regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
0xffff, 0x0000);
/* analog */
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON8,
0xffff, 0x0004);
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_DCXO_CW13, 0xffff, 0x9829);
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
0xffff, 0x0000);
mt6358_restore_pga(priv);
regmap_update_bits(priv->regmap, MT6358_DCXO_CW14, 0xffff, 0xa2b5);
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
0xffff, 0x0010);
return 0;
}
static int mt6358_get_wov(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
struct mt6358_priv *priv = snd_soc_component_get_drvdata(c);
ucontrol->value.integer.value[0] = priv->wov_enabled;
return 0;
}
static int mt6358_put_wov(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
struct mt6358_priv *priv = snd_soc_component_get_drvdata(c);
int enabled = ucontrol->value.integer.value[0];
if (priv->wov_enabled != enabled) {
if (enabled)
mt6358_enable_wov_phase2(priv);
else
mt6358_disable_wov_phase2(priv);
priv->wov_enabled = enabled;
}
return 0;
}
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 mt6358_snd_controls[] = {
/* dl pga gain */
SOC_DOUBLE_EXT_TLV("Headphone Volume",
MT6358_ZCD_CON2, 0, 7, 0x12, 1,
snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
SOC_DOUBLE_EXT_TLV("Lineout Volume",
MT6358_ZCD_CON1, 0, 7, 0x12, 1,
snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
SOC_SINGLE_EXT_TLV("Handset Volume",
MT6358_ZCD_CON3, 0, 0x12, 1,
snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
/* ul pga gain */
SOC_DOUBLE_R_EXT_TLV("PGA Volume",
MT6358_AUDENC_ANA_CON0, MT6358_AUDENC_ANA_CON1,
8, 4, 0,
snd_soc_get_volsw, mt6358_put_volsw, pga_tlv),
SOC_SINGLE_BOOL_EXT("Wake-on-Voice Phase2 Switch", 0,
mt6358_get_wov, mt6358_put_wov),
};
/* 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,
MT6358_AUDDEC_ANA_CON7,
RG_AUDLOLMUXINPUTSEL_VAUDP15_SFT,
RG_AUDLOLMUXINPUTSEL_VAUDP15_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 */
enum {
HP_MUX_OPEN = 0,
HP_MUX_HPSPK,
HP_MUX_HP,
HP_MUX_TEST_MODE,
HP_MUX_HP_IMPEDANCE,
HP_MUX_MASK = 0x7,
};
static const char * const hp_in_mux_map[] = {
"Open",
"LoudSPK Playback",
"Audio Playback",
"Test Mode",
"HP Impedance",
"undefined1",
"undefined2",
"undefined3",
};
static int hp_in_mux_map_value[] = {
HP_MUX_OPEN,
HP_MUX_HPSPK,
HP_MUX_HP,
HP_MUX_TEST_MODE,
HP_MUX_HP_IMPEDANCE,
HP_MUX_OPEN,
HP_MUX_OPEN,
HP_MUX_OPEN,
};
static SOC_VALUE_ENUM_SINGLE_DECL(hpl_in_mux_map_enum,
SND_SOC_NOPM,
0,
HP_MUX_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,
SND_SOC_NOPM,
0,
HP_MUX_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 */
enum {
RCV_MUX_OPEN = 0,
RCV_MUX_MUTE,
RCV_MUX_VOICE_PLAYBACK,
RCV_MUX_TEST_MODE,
RCV_MUX_MASK = 0x3,
};
static const char * const rcv_in_mux_map[] = {
"Open", "Mute", "Voice Playback", "Test Mode"
};
static int rcv_in_mux_map_value[] = {
RCV_MUX_OPEN,
RCV_MUX_MUTE,
RCV_MUX_VOICE_PLAYBACK,
RCV_MUX_TEST_MODE,
};
static SOC_VALUE_ENUM_SINGLE_DECL(rcv_in_mux_map_enum,
SND_SOC_NOPM,
0,
RCV_MUX_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,
MT6358_AFE_TOP_CON0,
DL_SINE_ON_SFT,
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,
MT6358_AFE_TOP_CON0,
UL_SINE_ON_SFT,
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);
/* Mic Type MUX */
enum {
MIC_TYPE_MUX_IDLE = 0,
MIC_TYPE_MUX_ACC,
MIC_TYPE_MUX_DMIC,
MIC_TYPE_MUX_DCC,
MIC_TYPE_MUX_DCC_ECM_DIFF,
MIC_TYPE_MUX_DCC_ECM_SINGLE,
MIC_TYPE_MUX_MASK = 0x7,
};
#define IS_DCC_BASE(type) ((type) == MIC_TYPE_MUX_DCC || \
(type) == MIC_TYPE_MUX_DCC_ECM_DIFF || \
(type) == MIC_TYPE_MUX_DCC_ECM_SINGLE)
static const char * const mic_type_mux_map[] = {
"Idle",
"ACC",
"DMIC",
"DCC",
"DCC_ECM_DIFF",
"DCC_ECM_SINGLE",
};
static int mic_type_mux_map_value[] = {
MIC_TYPE_MUX_IDLE,
MIC_TYPE_MUX_ACC,
MIC_TYPE_MUX_DMIC,
MIC_TYPE_MUX_DCC,
MIC_TYPE_MUX_DCC_ECM_DIFF,
MIC_TYPE_MUX_DCC_ECM_SINGLE,
};
static SOC_VALUE_ENUM_SINGLE_DECL(mic_type_mux_map_enum,
SND_SOC_NOPM,
0,
MIC_TYPE_MUX_MASK,
mic_type_mux_map,
mic_type_mux_map_value);
static const struct snd_kcontrol_new mic_type_mux_control =
SOC_DAPM_ENUM("Mic Type Select", mic_type_mux_map_enum);
/* ADC L MUX */
enum {
ADC_MUX_IDLE = 0,
ADC_MUX_AIN0,
ADC_MUX_PREAMPLIFIER,
ADC_MUX_IDLE1,
ADC_MUX_MASK = 0x3,
};
static const char * const adc_left_mux_map[] = {
"Idle", "AIN0", "Left Preamplifier", "Idle_1"
};
static int adc_mux_map_value[] = {
ADC_MUX_IDLE,
ADC_MUX_AIN0,
ADC_MUX_PREAMPLIFIER,
ADC_MUX_IDLE1,
};
static SOC_VALUE_ENUM_SINGLE_DECL(adc_left_mux_map_enum,
SND_SOC_NOPM,
0,
ADC_MUX_MASK,
adc_left_mux_map,
adc_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 SOC_VALUE_ENUM_SINGLE_DECL(adc_right_mux_map_enum,
SND_SOC_NOPM,
0,
ADC_MUX_MASK,
adc_right_mux_map,
adc_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 */
enum {
PGA_MUX_NONE = 0,
PGA_MUX_AIN0,
PGA_MUX_AIN1,
PGA_MUX_AIN2,
PGA_MUX_MASK = 0x3,
};
static const char * const pga_mux_map[] = {
"None", "AIN0", "AIN1", "AIN2"
};
static int pga_mux_map_value[] = {
PGA_MUX_NONE,
PGA_MUX_AIN0,
PGA_MUX_AIN1,
PGA_MUX_AIN2,
};
static SOC_VALUE_ENUM_SINGLE_DECL(pga_left_mux_map_enum,
SND_SOC_NOPM,
0,
PGA_MUX_MASK,
pga_mux_map,
pga_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 SOC_VALUE_ENUM_SINGLE_DECL(pga_right_mux_map_enum,
SND_SOC_NOPM,
0,
PGA_MUX_MASK,
pga_mux_map,
pga_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_clksq_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 mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
dev_dbg(priv->dev, "%s(), event = 0x%x\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* audio clk source from internal dcxo */
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
RG_CLKSQ_IN_SEL_TEST_MASK_SFT,
0x0);
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);
struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
dev_dbg(priv->dev, "%s(), event = 0x%x\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* sdm audio fifo clock power on */
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0006);
/* scrambler clock on enable */
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xCBA1);
/* sdm power on */
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0003);
/* sdm fifo enable */
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x000B);
regmap_update_bits(priv->regmap, MT6358_AFE_SGEN_CFG0,
0xff3f,
0x0000);
regmap_update_bits(priv->regmap, MT6358_AFE_SGEN_CFG1,
0xffff,
0x0001);
break;
case SND_SOC_DAPM_POST_PMD:
/* DL scrambler disabling sequence */
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0000);
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xcba0);
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 mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
dev_info(priv->dev, "%s(), event 0x%x, rate %d\n",
__func__, event, priv->dl_rate);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
playback_gpio_set(priv);
/* sdm audio fifo clock power on */
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0006);
/* scrambler clock on enable */
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xCBA1);
/* sdm power on */
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0003);
/* sdm fifo enable */
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x000B);
break;
case SND_SOC_DAPM_POST_PMD:
/* DL scrambler disabling sequence */
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0000);
regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xcba0);
playback_gpio_reset(priv);
break;
default:
break;
}
return 0;
}
static int mtk_hp_enable(struct mt6358_priv *priv)
{
/* Pull-down HPL/R to AVSS28_AUD */
hp_pull_down(priv, true);
/* release HP CMFB gate rstb */
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
0x1 << 6, 0x1 << 6);
/* Reduce ESD resistance of AU_REFN */
regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4000);
/* Set HPR/HPL gain as minimum (~ -40dB) */
regmap_write(priv->regmap, MT6358_ZCD_CON2, DL_GAIN_N_40DB_REG);
/* Turn on DA_600K_NCP_VA18 */
regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON1, 0x0001);
/* Set NCP clock as 604kHz // 26MHz/43 = 604KHz */
regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON2, 0x002c);
/* Toggle RG_DIVCKS_CHG */
regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON0, 0x0001);
/* Set NCP soft start mode as default mode: 100us */
regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON4, 0x0003);
/* Enable NCP */
regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x0000);
usleep_range(250, 270);
/* Enable cap-less LDOs (1.5V) */
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
0x1055, 0x1055);
/* Enable NV regulator (-1.2V) */
regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x0001);
usleep_range(100, 120);
/* Disable AUD_ZCD */
hp_zcd_disable(priv);
/* Disable headphone short-circuit protection */
regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x3000);
/* Enable IBIST */
regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
/* Set HP DR bias current optimization, 010: 6uA */
regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON11, 0x4900);
/* Set HP & ZCD bias current optimization */
/* 01: ZCD: 4uA, HP/HS/LO: 5uA */