diff options
Diffstat (limited to 'sound/soc/mediatek/mt8183/mt8183-dai-i2s.c')
| -rw-r--r-- | sound/soc/mediatek/mt8183/mt8183-dai-i2s.c | 140 |
1 files changed, 79 insertions, 61 deletions
diff --git a/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c b/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c index 777e93d70bea..3709100a8865 100644 --- a/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c +++ b/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c @@ -43,12 +43,13 @@ struct mtk_afe_i2s_priv { int rate; /* for determine which apll to use */ int low_jitter_en; - const char *share_property_name; 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) @@ -117,7 +118,7 @@ static const struct soc_enum mt8183_i2s_enum[] = { 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 snd_soc_component *cmpnt = snd_kcontrol_chip(kcontrol); struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); struct mtk_afe_i2s_priv *i2s_priv; @@ -136,20 +137,17 @@ static int mt8183_i2s_hd_get(struct snd_kcontrol *kcontrol, 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 snd_soc_component *cmpnt = snd_kcontrol_chip(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; + int hd_en, change; if (ucontrol->value.enumerated.item[0] >= e->items) return -EINVAL; hd_en = ucontrol->value.integer.value[0]; - dev_info(afe->dev, "%s(), kcontrol name %s, hd_en %d\n", - __func__, kcontrol->id.name, hd_en); - i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name); if (!i2s_priv) { @@ -157,9 +155,10 @@ static int mt8183_i2s_hd_set(struct snd_kcontrol *kcontrol, return -EINVAL; } + change = i2s_priv->low_jitter_en != hd_en; i2s_priv->low_jitter_en = hd_en; - return 0; + return change; } static const struct snd_kcontrol_new mtk_dai_i2s_controls[] = { @@ -275,18 +274,15 @@ static int mtk_apll_event(struct snd_soc_dapm_widget *w, struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm); struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); - dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n", - __func__, w->name, event); - switch (event) { case SND_SOC_DAPM_PRE_PMU: - if (strcmp(w->name, APLL1_W_NAME) == 0) + if (snd_soc_dapm_widget_name_cmp(w, 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) + if (snd_soc_dapm_widget_name_cmp(w, APLL1_W_NAME) == 0) mt8183_apll1_disable(afe); else mt8183_apll2_disable(afe); @@ -306,9 +302,6 @@ static int mtk_mclk_en_event(struct snd_soc_dapm_widget *w, struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); struct mtk_afe_i2s_priv *i2s_priv; - dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n", - __func__, w->name, event); - i2s_priv = get_i2s_priv_by_name(afe, w->name); if (!i2s_priv) { @@ -711,25 +704,24 @@ static int mtk_dai_i2s_config(struct mtk_base_afe *afe, 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; + unsigned int i2s_con = 0, fmt_con = I2S_FMT_I2S << I2S_FMT_SFT; int ret = 0; - dev_info(afe->dev, "%s(), id %d, rate %d, format %d\n", - __func__, - i2s_id, - rate, format); - - if (i2s_priv) + if (i2s_priv) { i2s_priv->rate = rate; - else + + 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 |= I2S_FMT_I2S << I2S_FMT_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); @@ -737,7 +729,7 @@ static int mtk_dai_i2s_config(struct mtk_base_afe *afe, 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 |= I2S_FMT_I2S << I2S2_FMT_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); @@ -745,21 +737,21 @@ static int mtk_dai_i2s_config(struct mtk_base_afe *afe, case MT8183_DAI_I2S_2: i2s_con = 8 << I2S3_UPDATE_WORD_SFT; i2s_con |= rate_reg << I2S3_OUT_MODE_SFT; - i2s_con |= I2S_FMT_I2S << I2S3_FMT_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 |= I2S_FMT_I2S << I2S4_FMT_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 |= I2S_FMT_I2S << I2S5_FMT_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); @@ -805,8 +797,6 @@ static int mtk_dai_i2s_set_sysclk(struct snd_soc_dai *dai, return -EINVAL; } - dev_info(afe->dev, "%s(), freq %d\n", __func__, freq); - apll = mt8183_get_apll_by_rate(afe, freq); apll_rate = mt8183_get_apll_rate(afe, apll); @@ -841,9 +831,46 @@ static int mtk_dai_i2s_set_sysclk(struct snd_soc_dai *dai, 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 */ @@ -934,54 +961,55 @@ 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_property_name = "i2s0-share", .share_i2s_id = -1, }, [DAI_I2S1] = { .id = MT8183_DAI_I2S_1, .mclk_id = MT8183_I2S1_MCK, - .share_property_name = "i2s1-share", .share_i2s_id = -1, }, [DAI_I2S2] = { .id = MT8183_DAI_I2S_2, .mclk_id = MT8183_I2S2_MCK, - .share_property_name = "i2s2-share", .share_i2s_id = -1, }, [DAI_I2S3] = { .id = MT8183_DAI_I2S_3, .mclk_id = MT8183_I2S3_MCK, - .share_property_name = "i2s3-share", .share_i2s_id = -1, }, [DAI_I2S5] = { .id = MT8183_DAI_I2S_5, .mclk_id = MT8183_I2S5_MCK, - .share_property_name = "i2s5-share", .share_i2s_id = -1, }, }; -static int mt8183_dai_i2s_get_share(struct mtk_base_afe *afe) +/** + * 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 mt8183_afe_private *afe_priv = afe->platform_priv; - const struct device_node *of_node = afe->dev->of_node; - const char *of_str; - const char *property_name; - struct mtk_afe_i2s_priv *i2s_priv; - int i; + struct mtk_afe_i2s_priv *secondary_i2s_priv; + int main_i2s_id; - for (i = 0; i < DAI_I2S_NUM; i++) { - i2s_priv = afe_priv->dai_priv[mt8183_i2s_priv[i].id]; - property_name = mt8183_i2s_priv[i].share_property_name; - if (of_property_read_string(of_node, property_name, &of_str)) - continue; - i2s_priv->share_i2s_id = get_i2s_id_by_name(afe, of_str); - } + 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) { @@ -1008,7 +1036,6 @@ static int mt8183_dai_i2s_set_priv(struct mtk_base_afe *afe) 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) @@ -1027,14 +1054,5 @@ int mt8183_dai_i2s_register(struct mtk_base_afe *afe) 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; - - /* parse share i2s */ - ret = mt8183_dai_i2s_get_share(afe); - if (ret) - return ret; - - return 0; + return mt8183_dai_i2s_set_priv(afe); } |
