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linux/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c
Mark Brown 18f51ed098
ASoC: mt8183: Fix event generation for I2S DAI operations 
ALSA control put() operations should return 0 if the value changed so that
events can be generated appropriately for userspace but the custom control
in the MT8183 I2S DAI driver doesn't do that, fix it.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230224-asoc-mt8183-quick-fixes-v1-2-041f29419ed5@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-02-28 13:58:47 +00:00

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// SPDX-License-Identifier: GPL-2.0
//
// MediaTek ALSA SoC Audio DAI I2S Control
//
// Copyright (c) 2018 MediaTek Inc.
// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
#include <linux/bitops.h>
#include <linux/regmap.h>
#include <sound/pcm_params.h>
#include "mt8183-afe-clk.h"
#include "mt8183-afe-common.h"
#include "mt8183-interconnection.h"
#include "mt8183-reg.h"
enum {
I2S_FMT_EIAJ = 0,
I2S_FMT_I2S = 1,
};
enum {
I2S_WLEN_16_BIT = 0,
I2S_WLEN_32_BIT = 1,
};
enum {
I2S_HD_NORMAL = 0,
I2S_HD_LOW_JITTER = 1,
};
enum {
I2S1_SEL_O28_O29 = 0,
I2S1_SEL_O03_O04 = 1,
};
enum {
I2S_IN_PAD_CONNSYS = 0,
I2S_IN_PAD_IO_MUX = 1,
};
struct mtk_afe_i2s_priv {
int id;
int rate; /* for determine which apll to use */
int low_jitter_en;
int share_i2s_id;
int mclk_id;
int mclk_rate;
int mclk_apll;
int use_eiaj;
};
static unsigned int get_i2s_wlen(snd_pcm_format_t format)
{
return snd_pcm_format_physical_width(format) <= 16 ?
I2S_WLEN_16_BIT : I2S_WLEN_32_BIT;
}
#define MTK_AFE_I2S0_KCONTROL_NAME "I2S0_HD_Mux"
#define MTK_AFE_I2S1_KCONTROL_NAME "I2S1_HD_Mux"
#define MTK_AFE_I2S2_KCONTROL_NAME "I2S2_HD_Mux"
#define MTK_AFE_I2S3_KCONTROL_NAME "I2S3_HD_Mux"
#define MTK_AFE_I2S5_KCONTROL_NAME "I2S5_HD_Mux"
#define I2S0_HD_EN_W_NAME "I2S0_HD_EN"
#define I2S1_HD_EN_W_NAME "I2S1_HD_EN"
#define I2S2_HD_EN_W_NAME "I2S2_HD_EN"
#define I2S3_HD_EN_W_NAME "I2S3_HD_EN"
#define I2S5_HD_EN_W_NAME "I2S5_HD_EN"
#define I2S0_MCLK_EN_W_NAME "I2S0_MCLK_EN"
#define I2S1_MCLK_EN_W_NAME "I2S1_MCLK_EN"
#define I2S2_MCLK_EN_W_NAME "I2S2_MCLK_EN"
#define I2S3_MCLK_EN_W_NAME "I2S3_MCLK_EN"
#define I2S5_MCLK_EN_W_NAME "I2S5_MCLK_EN"
static int get_i2s_id_by_name(struct mtk_base_afe *afe,
const char *name)
{
if (strncmp(name, "I2S0", 4) == 0)
return MT8183_DAI_I2S_0;
else if (strncmp(name, "I2S1", 4) == 0)
return MT8183_DAI_I2S_1;
else if (strncmp(name, "I2S2", 4) == 0)
return MT8183_DAI_I2S_2;
else if (strncmp(name, "I2S3", 4) == 0)
return MT8183_DAI_I2S_3;
else if (strncmp(name, "I2S5", 4) == 0)
return MT8183_DAI_I2S_5;
else
return -EINVAL;
}
static struct mtk_afe_i2s_priv *get_i2s_priv_by_name(struct mtk_base_afe *afe,
const char *name)
{
struct mt8183_afe_private *afe_priv = afe->platform_priv;
int dai_id = get_i2s_id_by_name(afe, name);
if (dai_id < 0)
return NULL;
return afe_priv->dai_priv[dai_id];
}
/* low jitter control */
static const char * const mt8183_i2s_hd_str[] = {
"Normal", "Low_Jitter"
};
static const struct soc_enum mt8183_i2s_enum[] = {
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8183_i2s_hd_str),
mt8183_i2s_hd_str),
};
static int mt8183_i2s_hd_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 mtk_afe_i2s_priv *i2s_priv;
i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
if (!i2s_priv) {
dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
return -EINVAL;
}
ucontrol->value.integer.value[0] = i2s_priv->low_jitter_en;
return 0;
}
static int mt8183_i2s_hd_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 mtk_afe_i2s_priv *i2s_priv;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
int hd_en, change;
if (ucontrol->value.enumerated.item[0] >= e->items)
return -EINVAL;
hd_en = ucontrol->value.integer.value[0];
i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
if (!i2s_priv) {
dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
return -EINVAL;
}
change = i2s_priv->low_jitter_en != hd_en;
i2s_priv->low_jitter_en = hd_en;
return change;
}
static const struct snd_kcontrol_new mtk_dai_i2s_controls[] = {
SOC_ENUM_EXT(MTK_AFE_I2S0_KCONTROL_NAME, mt8183_i2s_enum[0],
mt8183_i2s_hd_get, mt8183_i2s_hd_set),
SOC_ENUM_EXT(MTK_AFE_I2S1_KCONTROL_NAME, mt8183_i2s_enum[0],
mt8183_i2s_hd_get, mt8183_i2s_hd_set),
SOC_ENUM_EXT(MTK_AFE_I2S2_KCONTROL_NAME, mt8183_i2s_enum[0],
mt8183_i2s_hd_get, mt8183_i2s_hd_set),
SOC_ENUM_EXT(MTK_AFE_I2S3_KCONTROL_NAME, mt8183_i2s_enum[0],
mt8183_i2s_hd_get, mt8183_i2s_hd_set),
SOC_ENUM_EXT(MTK_AFE_I2S5_KCONTROL_NAME, mt8183_i2s_enum[0],
mt8183_i2s_hd_get, mt8183_i2s_hd_set),
};
/* dai component */
/* interconnection */
static const struct snd_kcontrol_new mtk_i2s3_ch1_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN0, I_DL1_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN0, I_DL2_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN0, I_DL3_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN0,
I_ADDA_UL_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN0,
I_PCM_1_CAP_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN0,
I_PCM_2_CAP_CH1, 1, 0),
};
static const struct snd_kcontrol_new mtk_i2s3_ch2_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN1, I_DL1_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN1, I_DL2_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN1, I_DL3_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN1,
I_ADDA_UL_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN1,
I_PCM_1_CAP_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN1,
I_PCM_2_CAP_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN1,
I_PCM_1_CAP_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN1,
I_PCM_2_CAP_CH2, 1, 0),
};
static const struct snd_kcontrol_new mtk_i2s1_ch1_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN28, I_DL1_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN28, I_DL2_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN28, I_DL3_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN28,
I_ADDA_UL_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN28,
I_PCM_1_CAP_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN28,
I_PCM_2_CAP_CH1, 1, 0),
};
static const struct snd_kcontrol_new mtk_i2s1_ch2_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN29, I_DL1_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN29, I_DL2_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN29, I_DL3_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN29,
I_ADDA_UL_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN29,
I_PCM_1_CAP_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN29,
I_PCM_2_CAP_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN29,
I_PCM_1_CAP_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN29,
I_PCM_2_CAP_CH2, 1, 0),
};
static const struct snd_kcontrol_new mtk_i2s5_ch1_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN30, I_DL1_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN30, I_DL2_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN30, I_DL3_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN30,
I_ADDA_UL_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN30,
I_PCM_1_CAP_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN30,
I_PCM_2_CAP_CH1, 1, 0),
};
static const struct snd_kcontrol_new mtk_i2s5_ch2_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN31, I_DL1_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN31, I_DL2_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN31, I_DL3_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN31,
I_ADDA_UL_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN31,
I_PCM_1_CAP_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN31,
I_PCM_2_CAP_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN31,
I_PCM_1_CAP_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN31,
I_PCM_2_CAP_CH2, 1, 0),
};
enum {
SUPPLY_SEQ_APLL,
SUPPLY_SEQ_I2S_MCLK_EN,
SUPPLY_SEQ_I2S_HD_EN,
SUPPLY_SEQ_I2S_EN,
};
static int mtk_apll_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);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
if (strcmp(w->name, APLL1_W_NAME) == 0)
mt8183_apll1_enable(afe);
else
mt8183_apll2_enable(afe);
break;
case SND_SOC_DAPM_POST_PMD:
if (strcmp(w->name, APLL1_W_NAME) == 0)
mt8183_apll1_disable(afe);
else
mt8183_apll2_disable(afe);
break;
default:
break;
}
return 0;
}
static int mtk_mclk_en_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 mtk_afe_i2s_priv *i2s_priv;
i2s_priv = get_i2s_priv_by_name(afe, w->name);
if (!i2s_priv) {
dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
mt8183_mck_enable(afe, i2s_priv->mclk_id, i2s_priv->mclk_rate);
break;
case SND_SOC_DAPM_POST_PMD:
i2s_priv->mclk_rate = 0;
mt8183_mck_disable(afe, i2s_priv->mclk_id);
break;
default:
break;
}
return 0;
}
static const struct snd_soc_dapm_widget mtk_dai_i2s_widgets[] = {
SND_SOC_DAPM_MIXER("I2S1_CH1", SND_SOC_NOPM, 0, 0,
mtk_i2s1_ch1_mix,
ARRAY_SIZE(mtk_i2s1_ch1_mix)),
SND_SOC_DAPM_MIXER("I2S1_CH2", SND_SOC_NOPM, 0, 0,
mtk_i2s1_ch2_mix,
ARRAY_SIZE(mtk_i2s1_ch2_mix)),
SND_SOC_DAPM_MIXER("I2S3_CH1", SND_SOC_NOPM, 0, 0,
mtk_i2s3_ch1_mix,
ARRAY_SIZE(mtk_i2s3_ch1_mix)),
SND_SOC_DAPM_MIXER("I2S3_CH2", SND_SOC_NOPM, 0, 0,
mtk_i2s3_ch2_mix,
ARRAY_SIZE(mtk_i2s3_ch2_mix)),
SND_SOC_DAPM_MIXER("I2S5_CH1", SND_SOC_NOPM, 0, 0,
mtk_i2s5_ch1_mix,
ARRAY_SIZE(mtk_i2s5_ch1_mix)),
SND_SOC_DAPM_MIXER("I2S5_CH2", SND_SOC_NOPM, 0, 0,
mtk_i2s5_ch2_mix,
ARRAY_SIZE(mtk_i2s5_ch2_mix)),
/* i2s en*/
SND_SOC_DAPM_SUPPLY_S("I2S0_EN", SUPPLY_SEQ_I2S_EN,
AFE_I2S_CON, I2S_EN_SFT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY_S("I2S1_EN", SUPPLY_SEQ_I2S_EN,
AFE_I2S_CON1, I2S_EN_SFT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY_S("I2S2_EN", SUPPLY_SEQ_I2S_EN,
AFE_I2S_CON2, I2S_EN_SFT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY_S("I2S3_EN", SUPPLY_SEQ_I2S_EN,
AFE_I2S_CON3, I2S_EN_SFT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY_S("I2S5_EN", SUPPLY_SEQ_I2S_EN,
AFE_I2S_CON4, I2S5_EN_SFT, 0,
NULL, 0),
/* i2s hd en */
SND_SOC_DAPM_SUPPLY_S(I2S0_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
AFE_I2S_CON, I2S1_HD_EN_SFT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY_S(I2S1_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
AFE_I2S_CON1, I2S2_HD_EN_SFT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY_S(I2S2_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
AFE_I2S_CON2, I2S3_HD_EN_SFT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY_S(I2S3_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
AFE_I2S_CON3, I2S4_HD_EN_SFT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY_S(I2S5_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
AFE_I2S_CON4, I2S5_HD_EN_SFT, 0,
NULL, 0),
/* i2s mclk en */
SND_SOC_DAPM_SUPPLY_S(I2S0_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
SND_SOC_NOPM, 0, 0,
mtk_mclk_en_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY_S(I2S1_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
SND_SOC_NOPM, 0, 0,
mtk_mclk_en_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY_S(I2S2_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
SND_SOC_NOPM, 0, 0,
mtk_mclk_en_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY_S(I2S3_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
SND_SOC_NOPM, 0, 0,
mtk_mclk_en_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY_S(I2S5_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
SND_SOC_NOPM, 0, 0,
mtk_mclk_en_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
/* apll */
SND_SOC_DAPM_SUPPLY_S(APLL1_W_NAME, SUPPLY_SEQ_APLL,
SND_SOC_NOPM, 0, 0,
mtk_apll_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY_S(APLL2_W_NAME, SUPPLY_SEQ_APLL,
SND_SOC_NOPM, 0, 0,
mtk_apll_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
};
static int mtk_afe_i2s_share_connect(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
struct snd_soc_dapm_widget *w = sink;
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_afe_i2s_priv *i2s_priv;
i2s_priv = get_i2s_priv_by_name(afe, sink->name);
if (!i2s_priv) {
dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
return 0;
}
if (i2s_priv->share_i2s_id < 0)
return 0;
return i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name);
}
static int mtk_afe_i2s_hd_connect(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
struct snd_soc_dapm_widget *w = sink;
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_afe_i2s_priv *i2s_priv;
i2s_priv = get_i2s_priv_by_name(afe, sink->name);
if (!i2s_priv) {
dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
return 0;
}
if (get_i2s_id_by_name(afe, sink->name) ==
get_i2s_id_by_name(afe, source->name))
return i2s_priv->low_jitter_en;
/* check if share i2s need hd en */
if (i2s_priv->share_i2s_id < 0)
return 0;
if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
return i2s_priv->low_jitter_en;
return 0;
}
static int mtk_afe_i2s_apll_connect(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
struct snd_soc_dapm_widget *w = sink;
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_afe_i2s_priv *i2s_priv;
int cur_apll;
int i2s_need_apll;
i2s_priv = get_i2s_priv_by_name(afe, w->name);
if (!i2s_priv) {
dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
return 0;
}
/* which apll */
cur_apll = mt8183_get_apll_by_name(afe, source->name);
/* choose APLL from i2s rate */
i2s_need_apll = mt8183_get_apll_by_rate(afe, i2s_priv->rate);
return (i2s_need_apll == cur_apll) ? 1 : 0;
}
static int mtk_afe_i2s_mclk_connect(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
struct snd_soc_dapm_widget *w = sink;
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_afe_i2s_priv *i2s_priv;
i2s_priv = get_i2s_priv_by_name(afe, sink->name);
if (!i2s_priv) {
dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
return 0;
}
if (get_i2s_id_by_name(afe, sink->name) ==
get_i2s_id_by_name(afe, source->name))
return (i2s_priv->mclk_rate > 0) ? 1 : 0;
/* check if share i2s need mclk */
if (i2s_priv->share_i2s_id < 0)
return 0;
if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
return (i2s_priv->mclk_rate > 0) ? 1 : 0;
return 0;
}
static int mtk_afe_mclk_apll_connect(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
struct snd_soc_dapm_widget *w = sink;
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_afe_i2s_priv *i2s_priv;
int cur_apll;
i2s_priv = get_i2s_priv_by_name(afe, w->name);
if (!i2s_priv) {
dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
return 0;
}
/* which apll */
cur_apll = mt8183_get_apll_by_name(afe, source->name);
return (i2s_priv->mclk_apll == cur_apll) ? 1 : 0;
}
static const struct snd_soc_dapm_route mtk_dai_i2s_routes[] = {
/* i2s0 */
{"I2S0", NULL, "I2S0_EN"},
{"I2S0", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
{"I2S0", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
{"I2S0", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
{"I2S0", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
{"I2S0", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S0", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S0", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S0", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S0", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{I2S0_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
{I2S0_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
{"I2S0", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S0", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S0", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S0", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S0", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{I2S0_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
{I2S0_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
/* i2s1 */
{"I2S1_CH1", "DL1_CH1", "DL1"},
{"I2S1_CH2", "DL1_CH2", "DL1"},
{"I2S1_CH1", "DL2_CH1", "DL2"},
{"I2S1_CH2", "DL2_CH2", "DL2"},
{"I2S1_CH1", "DL3_CH1", "DL3"},
{"I2S1_CH2", "DL3_CH2", "DL3"},
{"I2S1", NULL, "I2S1_CH1"},
{"I2S1", NULL, "I2S1_CH2"},
{"I2S1", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
{"I2S1", NULL, "I2S1_EN"},
{"I2S1", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
{"I2S1", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
{"I2S1", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
{"I2S1", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S1", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S1", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S1", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S1", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{I2S1_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
{I2S1_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
{"I2S1", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S1", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S1", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S1", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S1", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{I2S1_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
{I2S1_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
/* i2s2 */
{"I2S2", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
{"I2S2", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
{"I2S2", NULL, "I2S2_EN"},
{"I2S2", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
{"I2S2", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
{"I2S2", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S2", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S2", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S2", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S2", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{I2S2_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
{I2S2_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
{"I2S2", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S2", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S2", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S2", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S2", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{I2S2_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
{I2S2_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
/* i2s3 */
{"I2S3_CH1", "DL1_CH1", "DL1"},
{"I2S3_CH2", "DL1_CH2", "DL1"},
{"I2S3_CH1", "DL2_CH1", "DL2"},
{"I2S3_CH2", "DL2_CH2", "DL2"},
{"I2S3_CH1", "DL3_CH1", "DL3"},
{"I2S3_CH2", "DL3_CH2", "DL3"},
{"I2S3", NULL, "I2S3_CH1"},
{"I2S3", NULL, "I2S3_CH2"},
{"I2S3", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
{"I2S3", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
{"I2S3", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
{"I2S3", NULL, "I2S3_EN"},
{"I2S3", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
{"I2S3", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S3", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S3", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S3", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S3", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{I2S3_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
{I2S3_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
{"I2S3", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S3", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S3", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S3", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S3", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{I2S3_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
{I2S3_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
/* i2s5 */
{"I2S5_CH1", "DL1_CH1", "DL1"},
{"I2S5_CH2", "DL1_CH2", "DL1"},
{"I2S5_CH1", "DL2_CH1", "DL2"},
{"I2S5_CH2", "DL2_CH2", "DL2"},
{"I2S5_CH1", "DL3_CH1", "DL3"},
{"I2S5_CH2", "DL3_CH2", "DL3"},
{"I2S5", NULL, "I2S5_CH1"},
{"I2S5", NULL, "I2S5_CH2"},
{"I2S5", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
{"I2S5", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
{"I2S5", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
{"I2S5", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
{"I2S5", NULL, "I2S5_EN"},
{"I2S5", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S5", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S5", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S5", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{"I2S5", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
{I2S5_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
{I2S5_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
{"I2S5", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S5", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S5", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S5", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{"I2S5", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
{I2S5_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
{I2S5_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
};
/* dai ops */
static int mtk_dai_i2s_config(struct mtk_base_afe *afe,
struct snd_pcm_hw_params *params,
int i2s_id)
{
struct mt8183_afe_private *afe_priv = afe->platform_priv;
struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[i2s_id];
unsigned int rate = params_rate(params);
unsigned int rate_reg = mt8183_rate_transform(afe->dev,
rate, i2s_id);
snd_pcm_format_t format = params_format(params);
unsigned int i2s_con = 0, fmt_con = I2S_FMT_I2S << I2S_FMT_SFT;
int ret = 0;
if (i2s_priv) {
i2s_priv->rate = rate;
if (i2s_priv->use_eiaj)
fmt_con = I2S_FMT_EIAJ << I2S_FMT_SFT;
} else {
dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
}
switch (i2s_id) {
case MT8183_DAI_I2S_0:
regmap_update_bits(afe->regmap, AFE_DAC_CON1,
I2S_MODE_MASK_SFT, rate_reg << I2S_MODE_SFT);
i2s_con = I2S_IN_PAD_IO_MUX << I2SIN_PAD_SEL_SFT;
i2s_con |= fmt_con;
i2s_con |= get_i2s_wlen(format) << I2S_WLEN_SFT;
regmap_update_bits(afe->regmap, AFE_I2S_CON,
0xffffeffe, i2s_con);
break;
case MT8183_DAI_I2S_1:
i2s_con = I2S1_SEL_O28_O29 << I2S2_SEL_O03_O04_SFT;
i2s_con |= rate_reg << I2S2_OUT_MODE_SFT;
i2s_con |= fmt_con;
i2s_con |= get_i2s_wlen(format) << I2S2_WLEN_SFT;
regmap_update_bits(afe->regmap, AFE_I2S_CON1,
0xffffeffe, i2s_con);
break;
case MT8183_DAI_I2S_2:
i2s_con = 8 << I2S3_UPDATE_WORD_SFT;
i2s_con |= rate_reg << I2S3_OUT_MODE_SFT;
i2s_con |= fmt_con;
i2s_con |= get_i2s_wlen(format) << I2S3_WLEN_SFT;
regmap_update_bits(afe->regmap, AFE_I2S_CON2,
0xffffeffe, i2s_con);
break;
case MT8183_DAI_I2S_3:
i2s_con = rate_reg << I2S4_OUT_MODE_SFT;
i2s_con |= fmt_con;
i2s_con |= get_i2s_wlen(format) << I2S4_WLEN_SFT;
regmap_update_bits(afe->regmap, AFE_I2S_CON3,
0xffffeffe, i2s_con);
break;
case MT8183_DAI_I2S_5:
i2s_con = rate_reg << I2S5_OUT_MODE_SFT;
i2s_con |= fmt_con;
i2s_con |= get_i2s_wlen(format) << I2S5_WLEN_SFT;
regmap_update_bits(afe->regmap, AFE_I2S_CON4,
0xffffeffe, i2s_con);
break;
default:
dev_warn(afe->dev, "%s(), id %d not support\n",
__func__, i2s_id);
return -EINVAL;
}
/* set share i2s */
if (i2s_priv && i2s_priv->share_i2s_id >= 0)
ret = mtk_dai_i2s_config(afe, params, i2s_priv->share_i2s_id);
return ret;
}
static int mtk_dai_i2s_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);
return mtk_dai_i2s_config(afe, params, dai->id);
}
static int mtk_dai_i2s_set_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);
struct mt8183_afe_private *afe_priv = afe->platform_priv;
struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[dai->id];
int apll;
int apll_rate;
if (!i2s_priv) {
dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
return -EINVAL;
}
if (dir != SND_SOC_CLOCK_OUT) {
dev_warn(afe->dev, "%s(), dir != SND_SOC_CLOCK_OUT", __func__);
return -EINVAL;
}
apll = mt8183_get_apll_by_rate(afe, freq);
apll_rate = mt8183_get_apll_rate(afe, apll);
if (freq > apll_rate) {
dev_warn(afe->dev, "%s(), freq > apll rate", __func__);
return -EINVAL;
}
if (apll_rate % freq != 0) {
dev_warn(afe->dev, "%s(), APLL cannot generate freq Hz",
__func__);
return -EINVAL;
}
i2s_priv->mclk_rate = freq;
i2s_priv->mclk_apll = apll;
if (i2s_priv->share_i2s_id > 0) {
struct mtk_afe_i2s_priv *share_i2s_priv;
share_i2s_priv = afe_priv->dai_priv[i2s_priv->share_i2s_id];
if (!share_i2s_priv) {
dev_warn(afe->dev, "%s(), share_i2s_priv == NULL",
__func__);
return -EINVAL;
}
share_i2s_priv->mclk_rate = i2s_priv->mclk_rate;
share_i2s_priv->mclk_apll = i2s_priv->mclk_apll;
}
return 0;
}
static int mtk_dai_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct mt8183_afe_private *afe_priv = afe->platform_priv;
struct mtk_afe_i2s_priv *i2s_priv;
switch (dai->id) {
case MT8183_DAI_I2S_0:
case MT8183_DAI_I2S_1:
case MT8183_DAI_I2S_2:
case MT8183_DAI_I2S_3:
case MT8183_DAI_I2S_5:
break;
default:
dev_warn(afe->dev, "%s(), id %d not support\n",
__func__, dai->id);
return -EINVAL;
}
i2s_priv = afe_priv->dai_priv[dai->id];
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_LEFT_J:
i2s_priv->use_eiaj = 1;
break;
case SND_SOC_DAIFMT_I2S:
i2s_priv->use_eiaj = 0;
break;
default:
dev_warn(afe->dev, "%s(), DAI format %d not support\n",
__func__, fmt & SND_SOC_DAIFMT_FORMAT_MASK);
return -EINVAL;
}
return 0;
}
static const struct snd_soc_dai_ops mtk_dai_i2s_ops = {
.hw_params = mtk_dai_i2s_hw_params,
.set_sysclk = mtk_dai_i2s_set_sysclk,
.set_fmt = mtk_dai_i2s_set_fmt,
};
/* dai driver */
#define MTK_I2S_RATES (SNDRV_PCM_RATE_8000_48000 |\
SNDRV_PCM_RATE_88200 |\
SNDRV_PCM_RATE_96000 |\
SNDRV_PCM_RATE_176400 |\
SNDRV_PCM_RATE_192000)
#define MTK_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
SNDRV_PCM_FMTBIT_S24_LE |\
SNDRV_PCM_FMTBIT_S32_LE)
static struct snd_soc_dai_driver mtk_dai_i2s_driver[] = {
{
.name = "I2S0",
.id = MT8183_DAI_I2S_0,
.capture = {
.stream_name = "I2S0",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_I2S_RATES,
.formats = MTK_I2S_FORMATS,
},
.ops = &mtk_dai_i2s_ops,
},
{
.name = "I2S1",
.id = MT8183_DAI_I2S_1,
.playback = {
.stream_name = "I2S1",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_I2S_RATES,
.formats = MTK_I2S_FORMATS,
},
.ops = &mtk_dai_i2s_ops,
},
{
.name = "I2S2",
.id = MT8183_DAI_I2S_2,
.capture = {
.stream_name = "I2S2",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_I2S_RATES,
.formats = MTK_I2S_FORMATS,
},
.ops = &mtk_dai_i2s_ops,
},
{
.name = "I2S3",
.id = MT8183_DAI_I2S_3,
.playback = {
.stream_name = "I2S3",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_I2S_RATES,
.formats = MTK_I2S_FORMATS,
},
.ops = &mtk_dai_i2s_ops,
},
{
.name = "I2S5",
.id = MT8183_DAI_I2S_5,
.playback = {
.stream_name = "I2S5",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_I2S_RATES,
.formats = MTK_I2S_FORMATS,
},
.ops = &mtk_dai_i2s_ops,
},
};
/* this enum is merely for mtk_afe_i2s_priv declare */
enum {
DAI_I2S0 = 0,
DAI_I2S1,
DAI_I2S2,
DAI_I2S3,
DAI_I2S5,
DAI_I2S_NUM,
};
static const struct mtk_afe_i2s_priv mt8183_i2s_priv[DAI_I2S_NUM] = {
[DAI_I2S0] = {
.id = MT8183_DAI_I2S_0,
.mclk_id = MT8183_I2S0_MCK,
.share_i2s_id = -1,
},
[DAI_I2S1] = {
.id = MT8183_DAI_I2S_1,
.mclk_id = MT8183_I2S1_MCK,
.share_i2s_id = -1,
},
[DAI_I2S2] = {
.id = MT8183_DAI_I2S_2,
.mclk_id = MT8183_I2S2_MCK,
.share_i2s_id = -1,
},
[DAI_I2S3] = {
.id = MT8183_DAI_I2S_3,
.mclk_id = MT8183_I2S3_MCK,
.share_i2s_id = -1,
},
[DAI_I2S5] = {
.id = MT8183_DAI_I2S_5,
.mclk_id = MT8183_I2S5_MCK,
.share_i2s_id = -1,
},
};
/**
* mt8183_dai_i2s_set_share() - Set up I2S ports to share a single clock.
* @afe: Pointer to &struct mtk_base_afe
* @main_i2s_name: The name of the I2S port that will provide the clock
* @secondary_i2s_name: The name of the I2S port that will use this clock
*/
int mt8183_dai_i2s_set_share(struct mtk_base_afe *afe, const char *main_i2s_name,
const char *secondary_i2s_name)
{
struct mtk_afe_i2s_priv *secondary_i2s_priv;
int main_i2s_id;
secondary_i2s_priv = get_i2s_priv_by_name(afe, secondary_i2s_name);
if (!secondary_i2s_priv)
return -EINVAL;
main_i2s_id = get_i2s_id_by_name(afe, main_i2s_name);
if (main_i2s_id < 0)
return main_i2s_id;
secondary_i2s_priv->share_i2s_id = main_i2s_id;
return 0;
}
EXPORT_SYMBOL_GPL(mt8183_dai_i2s_set_share);
static int mt8183_dai_i2s_set_priv(struct mtk_base_afe *afe)
{
struct mt8183_afe_private *afe_priv = afe->platform_priv;
struct mtk_afe_i2s_priv *i2s_priv;
int i;
for (i = 0; i < DAI_I2S_NUM; i++) {
i2s_priv = devm_kzalloc(afe->dev,
sizeof(struct mtk_afe_i2s_priv),
GFP_KERNEL);
if (!i2s_priv)
return -ENOMEM;
memcpy(i2s_priv, &mt8183_i2s_priv[i],
sizeof(struct mtk_afe_i2s_priv));
afe_priv->dai_priv[mt8183_i2s_priv[i].id] = i2s_priv;
}
return 0;
}
int mt8183_dai_i2s_register(struct mtk_base_afe *afe)
{
struct mtk_base_afe_dai *dai;
int ret;
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_i2s_driver;
dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_i2s_driver);
dai->controls = mtk_dai_i2s_controls;
dai->num_controls = ARRAY_SIZE(mtk_dai_i2s_controls);
dai->dapm_widgets = mtk_dai_i2s_widgets;
dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_i2s_widgets);
dai->dapm_routes = mtk_dai_i2s_routes;
dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_i2s_routes);
/* set all dai i2s private data */
ret = mt8183_dai_i2s_set_priv(afe);
if (ret)
return ret;
return 0;
}
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