// SPDX-License-Identifier: GPL-2.0
/*
* MediaTek ALSA SoC Audio DAI ADDA Control
*
* Copyright (c) 2022 MediaTek Inc.
* Author: Bicycle Tsai <[email protected]>
* Trevor Wu <[email protected]>
* Chun-Chia Chiu <[email protected]>
*/
#include <linux/bitfield.h>
#include <linux/delay.h>
#include <linux/regmap.h>
#include "mt8188-afe-clk.h"
#include "mt8188-afe-common.h"
#include "mt8188-reg.h"
#include "../common/mtk-dai-adda-common.h"
#define ADDA_HIRES_THRES 48000
enum {
SUPPLY_SEQ_ADDA_DL_ON,
SUPPLY_SEQ_ADDA_MTKAIF_CFG,
SUPPLY_SEQ_ADDA_UL_ON,
SUPPLY_SEQ_ADDA_AFE_ON,
};
struct mtk_dai_adda_priv {
bool hires_required;
};
static int mt8188_adda_mtkaif_init(struct mtk_base_afe *afe)
{
struct mt8188_afe_private *afe_priv = afe->platform_priv;
struct mtkaif_param *param = &afe_priv->mtkaif_params;
int delay_data;
int delay_cycle;
unsigned int mask = 0;
unsigned int val = 0;
/* set rx protocol 2 & mtkaif_rxif_clkinv_adc inverse */
regmap_set_bits(afe->regmap, AFE_ADDA_MTKAIF_CFG0,
MTKAIF_RXIF_CLKINV_ADC | MTKAIF_RXIF_PROTOCOL2);
regmap_set_bits(afe->regmap, AFE_AUD_PAD_TOP, RG_RX_PROTOCOL2);
if (!param->mtkaif_calibration_ok) {
dev_info(afe->dev, "%s(), calibration fail\n", __func__);
return 0;
}
/* set delay for ch1, ch2 */
if (param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_0] >=
param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_1]) {
delay_data = DELAY_DATA_MISO1;
delay_cycle =
param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_0] -
param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_1];
} else {
delay_data = DELAY_DATA_MISO0;
delay_cycle =
param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_1] -
param->mtkaif_phase_cycle[MT8188_MTKAIF_MISO_0];
}
val = 0;
mask = (MTKAIF_RXIF_DELAY_DATA | MTKAIF_RXIF_DELAY_CYCLE_MASK);
val |= FIELD_PREP(MTKAIF_RXIF_DELAY_CYCLE_MASK, delay_cycle);
val |= FIELD_PREP(MTKAIF_RXIF_DELAY_DATA, delay_data);
regmap_update_bits(afe->regmap, AFE_ADDA_MTKAIF_RX_CFG2, mask, val);
return 0;
}
static int mtk_adda_mtkaif_cfg_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 mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
__func__, w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
mt8188_adda_mtkaif_init(afe);
break;
default:
break;
}
return 0;
}
static int mtk_adda_dl_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 mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
__func__, w->name, event);
switch (event) {
case SND_SOC_DAPM_POST_PMD:
/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
usleep_range(125, 135);
break;
default:
break;
}
return 0;
}
static void mtk_adda_ul_mictype(struct mtk_base_afe *afe, bool dmic)
{
unsigned int reg = AFE_ADDA_UL_SRC_CON0;
unsigned int val;
val = (UL_SDM3_LEVEL_CTL | UL_MODE_3P25M_CH1_CTL |
UL_MODE_3P25M_CH2_CTL);
/* turn on dmic, ch1, ch2 */
if (dmic)
regmap_set_bits(afe->regmap, reg, val);
else
regmap_clear_bits(afe->regmap, reg, val);
}
static int mtk_adda_ul_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 mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8188_afe_private *afe_priv = afe->platform_priv;
struct mtkaif_param *param = &afe_priv->mtkaif_params;
dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
__func__, w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
mtk_adda_ul_mictype(afe, param->mtkaif_dmic_on);
break;
case SND_SOC_DAPM_POST_PMD:
/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
usleep_range(125, 135);
break;
default:
break;
}
return 0;
}
static struct mtk_dai_adda_priv *get_adda_priv_by_name(struct mtk_base_afe *afe,
const char *name)
{
struct mt8188_afe_private *afe_priv = afe->platform_priv;
if (strstr(name, "aud_adc_hires"))
return afe_priv->dai_priv[MT8188_AFE_IO_UL_SRC];
else if (strstr(name, "aud_dac_hires"))
return afe_priv->dai_priv[MT8188_AFE_IO_DL_SRC];
else
return NULL;
}
static int mtk_afe_adda_hires_connect(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
struct snd_soc_dapm_widget *w = source;
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mtk_dai_adda_priv *adda_priv;
adda_priv = get_adda_priv_by_name(afe, w->name);
if (!adda_priv) {
dev_dbg(afe->dev, "adda_priv == NULL");
return 0;
}
return (adda_priv->hires_required) ? 1 : 0;
}
static const struct snd_kcontrol_new mtk_dai_adda_o176_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I000 Switch", AFE_CONN176, 0, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I002 Switch", AFE_CONN176, 2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I020 Switch", AFE_CONN176, 20, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I022 Switch", AFE_CONN176, 22, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I070 Switch", AFE_CONN176_2, 6, 1, 0),
};
static const struct snd_kcontrol_new mtk_dai_adda_o177_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I001 Switch", AFE_CONN177, 1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I003 Switch", AFE_CONN177, 3, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I021 Switch", AFE_CONN177, 21, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I023 Switch", AFE_CONN177, 23, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("I071 Switch", AFE_CONN177_2, 7, 1, 0),
};
static const char * const adda_dlgain_mux_map[] = {
"Bypass", "Connect",
};
static SOC_ENUM_SINGLE_DECL(adda_dlgain_mux_map_enum,
SND_SOC_NOPM, 0,
adda_dlgain_mux_map);
static const struct snd_kcontrol_new adda_dlgain_mux_control =
SOC_DAPM_ENUM("DL_GAIN_MUX", adda_dlgain_mux_map_enum);
static const struct snd_soc_dapm_widget mtk_dai_adda_widgets[] = {
SND_SOC_DAPM_MIXER("I168", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I169", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("O176", SND_SOC_NOPM, 0, 0,
mtk_dai_adda_o176_mix,
ARRAY_SIZE(mtk_dai_adda_o176_mix)),
SND_SOC_DAPM_MIXER("O177", SND_SOC_NOPM, 0, 0,
mtk_dai_adda_o177_mix,
ARRAY_SIZE(mtk_dai_adda_o177_mix)),
SND_SOC_DAPM_SUPPLY_S("ADDA Enable", SUPPLY_SEQ_ADDA_AFE_ON,
AFE_ADDA_UL_DL_CON0,
ADDA_AFE_ON_SHIFT, 0,
NULL,
0),
SND_SOC_DAPM_SUPPLY_S("ADDA Playback Enable", SUPPLY_SEQ_ADDA_DL_ON,
AFE_ADDA_DL_SRC2_CON0,
DL_2_SRC_ON_TMP_CTRL_PRE_SHIFT, 0,
mtk_adda_dl_event,
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY_S("ADDA Capture Enable", SUPPLY_SEQ_ADDA_UL_ON,
AFE_ADDA_UL_SRC_CON0,
UL_SRC_ON_TMP_CTL_SHIFT, 0,
mtk_adda_ul_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY_S("ADDA_MTKAIF_CFG", SUPPLY_SEQ_ADDA_MTKAIF_CFG,
SND_SOC_NOPM,
0, 0,
mtk_adda_mtkaif_cfg_event,
SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MUX("DL_GAIN_MUX", SND_SOC_NOPM, 0, 0,
&adda_dlgain_mux_control),
SND_SOC_DAPM_PGA("DL_GAIN", AFE_ADDA_DL_SRC2_CON0,
DL_2_GAIN_ON_CTL_PRE_SHIFT, 0, NULL, 0),
SND_SOC_DAPM_INPUT("ADDA_INPUT"),
SND_SOC_DAPM_OUTPUT("ADDA_OUTPUT"),
SND_SOC_DAPM_CLOCK_SUPPLY("aud_dac"),
SND_SOC_DAPM_CLOCK_SUPPLY("aud_adc"),
SND_SOC_DAPM_CLOCK_SUPPLY("aud_dac_hires"),
SND_SOC_DAPM_CLOCK_SUPPLY("aud_adc_hires"),
};
static const struct snd_soc_dapm_route mtk_dai_adda_routes[] = {
{"ADDA Capture", NULL, "ADDA Enable"},
{"ADDA Capture", NULL, "ADDA Capture Enable"},
{"ADDA Capture", NULL, "ADDA_MTKAIF_CFG"},
{"ADDA Capture", NULL, "aud_adc"},
{"ADDA Capture", NULL, "aud_adc_hires", mtk_afe_adda_hires_connect},
{"I168", NULL, "ADDA Capture"},
{"I169", NULL, "ADDA Capture"},
{"ADDA Playback", NULL, "ADDA Enable"},
{"ADDA Playback", NULL, "ADDA Playback Enable"},
{"ADDA Playback", NULL, "aud_dac"},
{"ADDA Playback", NULL, "aud_dac_hires", mtk_afe_adda_hires_connect},
{"DL_GAIN", NULL, "O176"},
{"DL_GAIN", NULL, "O177"},
{"DL_GAIN_MUX", "Bypass", "O176"},
{"DL_GAIN_MUX", "Bypass", "O177"},
{"DL_GAIN_MUX", "Connect", "DL_GAIN"},
{"ADDA Playback", NULL, "DL_GAIN_MUX"},
{"O176", "I000 Switch", "I000"},
{"O177", "I001 Switch", "I001"},
{"O176", "I002 Switch", "I002"},
{"O177", "I003 Switch", "I003"},
{"O176", "I020 Switch", "I020"},
{"O177", "I021 Switch", "I021"},
{"O176", "I022 Switch", "I022"},
{"O177", "I023 Switch", "I023"},
{"O176", "I070 Switch", "I070"},
{"O177", "I071 Switch", "I071"},
{"ADDA Capture", NULL, "ADDA_INPUT"},
{"ADDA_OUTPUT", NULL, "ADDA Playback"},
};
static int mt8188_adda_dmic_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8188_afe_private *afe_priv = afe->platform_priv;
struct mtkaif_param *param = &afe_priv->mtkaif_params;
ucontrol->value.integer.value[0] = param->mtkaif_dmic_on;
return 0;
}
static int mt8188_adda_dmic_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8188_afe_private *afe_priv = afe->platform_priv;
struct mtkaif_param *param = &afe_priv->mtkaif_params;
int dmic_on;
dmic_on = !!ucontrol->value.integer.value[0];
dev_dbg(afe->dev, "%s(), kcontrol name %s, dmic_on %d\n",
__func__, kcontrol->id.name, dmic_on);
if (param->mtkaif_dmic_on == dmic_on)
return 0;
param->mtkaif_dmic_on = dmic_on;
return 1;
}
static const struct snd_kcontrol_new mtk_dai_adda_controls[] = {
SOC_SINGLE("ADDA_DL_GAIN", AFE_ADDA_DL_SRC2_CON1,
DL_2_GAIN_CTL_PRE_SHIFT, 65535, 0),
SOC_SINGLE_BOOL_EXT("MTKAIF_DMIC Switch", 0,
mt8188_adda_dmic_get, mt8188_adda_dmic_set),
};
static int mtk_dai_da_configure(struct mtk_base_afe *afe,
unsigned int rate, int id)
{
unsigned int val = 0;
unsigned int mask = 0;
/* set sampling rate */
mask |= DL_2_INPUT_MODE_CTL_MASK;
val |= FIELD_PREP(DL_2_INPUT_MODE_CTL_MASK,
mtk_adda_dl_rate_transform(afe, rate));
/* turn off saturation */
mask |= DL_2_CH1_SATURATION_EN_CTL;
mask |= DL_2_CH2_SATURATION_EN_CTL;
/* turn off mute function */
mask |= DL_2_MUTE_CH1_OFF_CTL_PRE;
mask |= DL_2_MUTE_CH2_OFF_CTL_PRE;
val |= DL_2_MUTE_CH1_OFF_CTL_PRE;
val |= DL_2_MUTE_CH2_OFF_CTL_PRE;
/* set voice input data if input sample rate is 8k or 16k */
mask |= DL_2_VOICE_MODE_CTL_PRE;
if (rate == 8000 || rate == 16000)
val |= DL_2_VOICE_MODE_CTL_PRE;
regmap_update_bits(afe->regmap, AFE_ADDA_DL_SRC2_CON0, mask, val);
/* new 2nd sdm */
regmap_set_bits(afe->regmap, AFE_ADDA_DL_SDM_DCCOMP_CON,
DL_USE_NEW_2ND_SDM);
return 0;
}
static int mtk_dai_ad_configure(struct mtk_base_afe *afe,
unsigned int rate, int id)
{
unsigned int val;
unsigned int mask;
mask = UL_VOICE_MODE_CTL_MASK;
val = FIELD_PREP(UL_VOICE_MODE_CTL_MASK,
mtk_adda_ul_rate_transform(afe, rate));
regmap_update_bits(afe->regmap, AFE_ADDA_UL_SRC_CON0,
mask, val);
return 0;
}
static int mtk_dai_adda_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct mt8188_afe_private *afe_priv = afe->platform_priv;
struct mtk_dai_adda_priv *adda_priv = afe_priv->dai_priv[dai->id];
unsigned int rate = params_rate(params);
int id = dai->id;
int ret = 0;
dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %u\n",
__func__, id, substream->stream, rate);
adda_priv->hires_required = (rate > ADDA_HIRES_THRES);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
ret = mtk_dai_da_configure(afe, rate, id);
else
ret = mtk_dai_ad_configure(afe, rate, id);
return ret;
}
static const struct snd_soc_dai_ops mtk_dai_adda_ops = {
.hw_params = mtk_dai_adda_hw_params,
};
/* dai driver */
#define MTK_ADDA_PLAYBACK_RATES (SNDRV_PCM_RATE_8000_48000 |\
SNDRV_PCM_RATE_96000 |\
SNDRV_PCM_RATE_192000)
#define MTK_ADDA_CAPTURE_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)
#define MTK_ADDA_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
SNDRV_PCM_FMTBIT_S24_LE |\
SNDRV_PCM_FMTBIT_S32_LE)
static struct snd_soc_dai_driver mtk_dai_adda_driver[] = {
{
.name = "DL_SRC",
.id = MT8188_AFE_IO_DL_SRC,
.playback = {
.stream_name = "ADDA Playback",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_ADDA_PLAYBACK_RATES,
.formats = MTK_ADDA_FORMATS,
},
.ops = &mtk_dai_adda_ops,
},
{
.name = "UL_SRC",
.id = MT8188_AFE_IO_UL_SRC,
.capture = {
.stream_name = "ADDA Capture",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_ADDA_CAPTURE_RATES,
.formats = MTK_ADDA_FORMATS,
},
.ops = &mtk_dai_adda_ops,
},
};
static int init_adda_priv_data(struct mtk_base_afe *afe)
{
struct mt8188_afe_private *afe_priv = afe->platform_priv;
struct mtk_dai_adda_priv *adda_priv;
int adda_dai_list[] = {MT8188_AFE_IO_DL_SRC, MT8188_AFE_IO_UL_SRC};
int i;
for (i = 0; i < ARRAY_SIZE(adda_dai_list); i++) {
adda_priv = devm_kzalloc(afe->dev,
sizeof(struct mtk_dai_adda_priv),
GFP_KERNEL);
if (!adda_priv)
return -ENOMEM;
afe_priv->dai_priv[adda_dai_list[i]] = adda_priv;
}
return 0;
}
int mt8188_dai_adda_register(struct mtk_base_afe *afe)
{
struct mtk_base_afe_dai *dai;
dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
if (!dai)
return -ENOMEM;
list_add(&dai->list, &afe->sub_dais);
dai->dai_drivers = mtk_dai_adda_driver;
dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_adda_driver);
dai->dapm_widgets = mtk_dai_adda_widgets;
dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_adda_widgets);
dai->dapm_routes = mtk_dai_adda_routes;
dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_adda_routes);
dai->controls = mtk_dai_adda_controls;
dai->num_controls = ARRAY_SIZE(mtk_dai_adda_controls);
return init_adda_priv_data(afe);
}
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