From: Oder Chiou <oder_chiou@realtek.com>
To: broonie@kernel.org, lgirdwood@gmail.com
Cc: Oder Chiou <oder_chiou@realtek.com>,
jack.yu@realtek.com, alsa-devel@alsa-project.org,
hychao@google.com, harshapriya.n@intel.com,
albertchen@realtek.com, shumingf@realtek.com,
bardliao@realtek.com, flove@realtek.com
Subject: [PATCH] ASoC: rt5514: Add the I2S ASRC support
Date: Mon, 24 Jul 2017 15:34:23 +0800 [thread overview]
Message-ID: <1500881663-28990-1-git-send-email-oder_chiou@realtek.com> (raw)
The patch adds the I2S ASRC support.
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
---
sound/soc/codecs/rt5514.c | 19 +++++++++++++++++++
sound/soc/codecs/rt5514.h | 7 +++++++
2 files changed, 26 insertions(+)
diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c
index a105c84..882fdc4 100644
--- a/sound/soc/codecs/rt5514.c
+++ b/sound/soc/codecs/rt5514.c
@@ -63,6 +63,7 @@ static const struct reg_sequence rt5514_patch[] = {
{RT5514_SRC_CTRL, 0x44000eee},
{RT5514_ANA_CTRL_LDO10, 0x00028604},
{RT5514_ANA_CTRL_ADCFED, 0x00000800},
+ {RT5514_ASRC_IN_CTRL1, 0x00000003},
};
static const struct reg_default rt5514_reg[] = {
@@ -471,6 +472,15 @@ static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
return 0;
}
+static int rt5514_i2s_use_asrc(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
+ struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
+
+ return (rt5514->sysclk > rt5514->lrck * 384);
+}
+
static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
/* Input Lines */
SND_SOC_DAPM_INPUT("DMIC1L"),
@@ -541,6 +551,10 @@ static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0,
NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("ASRC AD1", 1, RT5514_CLK_CTRL2,
+ RT5514_CLK_AD0_ASRC_EN_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("ASRC AD2", 1, RT5514_CLK_CTRL2,
+ RT5514_CLK_AD1_ASRC_EN_BIT, 0, NULL, 0),
/* ADC Mux */
SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0,
@@ -638,6 +652,7 @@ static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
{ "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" },
{ "Stereo1 ADC MIX", NULL, "adc stereo1 filter" },
{ "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
+ { "adc stereo1 filter", NULL, "ASRC AD1", rt5514_i2s_use_asrc },
{ "Stereo2 DMIC Mux", "DMIC1", "DMIC1" },
{ "Stereo2 DMIC Mux", "DMIC2", "DMIC2" },
@@ -654,6 +669,7 @@ static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
{ "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" },
{ "Stereo2 ADC MIX", NULL, "adc stereo2 filter" },
{ "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
+ { "adc stereo2 filter", NULL, "ASRC AD2", rt5514_i2s_use_asrc },
{ "AIF1TX", NULL, "Stereo1 ADC MIX"},
{ "AIF1TX", NULL, "Stereo2 ADC MIX"},
@@ -706,6 +722,9 @@ static int rt5514_hw_params(struct snd_pcm_substream *substream,
regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK,
val_len);
+ regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
+ RT5514_CLK_AD_ANA1_SEL_MASK,
+ (pre_div + 1) << RT5514_CLK_AD_ANA1_SEL_SFT);
regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK,
pre_div << RT5514_CLK_SYS_DIV_OUT_SFT |
diff --git a/sound/soc/codecs/rt5514.h b/sound/soc/codecs/rt5514.h
index 75024a4..2dc40e6 100644
--- a/sound/soc/codecs/rt5514.h
+++ b/sound/soc/codecs/rt5514.h
@@ -37,6 +37,7 @@
#define RT5514_PLL3_CALIB_CTRL5 0x2124
#define RT5514_DELAY_BUF_CTRL1 0x2140
#define RT5514_DELAY_BUF_CTRL3 0x2148
+#define RT5514_ASRC_IN_CTRL1 0x2180
#define RT5514_DOWNFILTER0_CTRL1 0x2190
#define RT5514_DOWNFILTER0_CTRL2 0x2194
#define RT5514_DOWNFILTER0_CTRL3 0x2198
@@ -197,8 +198,14 @@
#define RT5514_CLK_AD0_EN_BIT 23
#define RT5514_CLK_DMIC_OUT_SEL_MASK (0x7 << 8)
#define RT5514_CLK_DMIC_OUT_SEL_SFT 8
+#define RT5514_CLK_AD_ANA1_SEL_MASK (0xf << 0)
+#define RT5514_CLK_AD_ANA1_SEL_SFT 0
/* RT5514_CLK_CTRL2 (0x2108) */
+#define RT5514_CLK_AD1_ASRC_EN (0x1 << 17)
+#define RT5514_CLK_AD1_ASRC_EN_BIT 17
+#define RT5514_CLK_AD0_ASRC_EN (0x1 << 16)
+#define RT5514_CLK_AD0_ASRC_EN_BIT 16
#define RT5514_CLK_SYS_DIV_OUT_MASK (0x7 << 8)
#define RT5514_CLK_SYS_DIV_OUT_SFT 8
#define RT5514_SEL_ADC_OSR_MASK (0x7 << 4)
--
2.7.4
next reply other threads:[~2017-07-24 7:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-24 7:34 Oder Chiou [this message]
2017-07-26 14:17 ` Applied "ASoC: rt5514: Add the I2S ASRC support" to the asoc tree Mark Brown
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