From: Garlic Tseng <garlic.tseng@mediatek.com>
To: <broonie@kernel.org>, <tiwai@suse.de>
Cc: <garlic.tseng@mediatek.com>, <srv_heupstream@mediatek.com>,
<linux-mediatek@lists.infradead.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <alsa-devel@alsa-project.org>,
<koro.chen@mediatek.com>, <PC.Liao@mediatek.com>,
<ir.lian@mediatek.com>
Subject: [alsa-devel] [PATCH v3 8/9] ASoC: mediatek: add BT implementation
Date: Mon, 13 Jun 2016 14:24:11 +0800 [thread overview]
Message-ID: <1465799052-9657-9-git-send-email-garlic.tseng@mediatek.com> (raw)
In-Reply-To: <1465799052-9657-1-git-send-email-garlic.tseng@mediatek.com>
Add BT implementation for mt2701 platform driver.
Signed-off-by: Garlic Tseng <garlic.tseng@mediatek.com>
---
sound/soc/mediatek/mt2701/mt2701-afe-pcm.c | 139 +++++++++++++++++++++++++++++
1 file changed, 139 insertions(+)
diff --git a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
index deb5f82..5fd2caa 100644
--- a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
+++ b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
@@ -377,6 +377,86 @@ static int mt2701_afe_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
return 0;
}
+static int mt2701_btmrg_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+ struct mt2701_afe_private *afe_priv = afe->platform_priv;
+
+ regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
+ AUDIO_TOP_CON4_PDN_MRGIF, 0);
+
+ afe_priv->mrg_enable[substream->stream] = 1;
+ return 0;
+}
+
+static int mt2701_btmrg_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+ int stream_fs;
+ u32 val, msk;
+
+ stream_fs = params_rate(params);
+
+ if ((stream_fs != 8000) && (stream_fs != 16000)) {
+ dev_err(afe->dev, "%s() btmgr not supprt this stream_fs %d\n",
+ __func__, stream_fs);
+ return -EINVAL;
+ }
+
+ regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
+ AFE_MRGIF_CON_I2S_MODE_MASK,
+ AFE_MRGIF_CON_I2S_MODE_32K);
+
+ val = AFE_DAIBT_CON0_BT_FUNC_EN | AFE_DAIBT_CON0_BT_FUNC_RDY
+ | AFE_DAIBT_CON0_MRG_USE;
+ msk = val;
+
+ if (stream_fs == 16000)
+ val |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN;
+
+ msk |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN;
+
+ regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, msk, val);
+
+ regmap_update_bits(afe->regmap, AFE_DAIBT_CON0,
+ AFE_DAIBT_CON0_DAIBT_EN,
+ AFE_DAIBT_CON0_DAIBT_EN);
+ regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
+ AFE_MRGIF_CON_MRG_I2S_EN,
+ AFE_MRGIF_CON_MRG_I2S_EN);
+ regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
+ AFE_MRGIF_CON_MRG_EN,
+ AFE_MRGIF_CON_MRG_EN);
+ return 0;
+}
+
+static void mt2701_btmrg_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+ struct mt2701_afe_private *afe_priv = afe->platform_priv;
+
+ /* if the other direction stream is not occupied */
+ if (!afe_priv->mrg_enable[!substream->stream]) {
+ regmap_update_bits(afe->regmap, AFE_DAIBT_CON0,
+ AFE_DAIBT_CON0_DAIBT_EN, 0);
+ regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
+ AFE_MRGIF_CON_MRG_EN, 0);
+ regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
+ AFE_MRGIF_CON_MRG_I2S_EN, 0);
+ regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
+ AUDIO_TOP_CON4_PDN_MRGIF,
+ AUDIO_TOP_CON4_PDN_MRGIF);
+ }
+ afe_priv->mrg_enable[substream->stream] = 0;
+}
+
static int mt2701_simple_fe_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
@@ -560,6 +640,13 @@ static const struct snd_soc_dai_ops mt2701_afe_i2s_ops = {
.set_fmt = mt2701_afe_i2s_set_fmt,
};
+/* MRG BE DAIs */
+static struct snd_soc_dai_ops mt2701_btmrg_ops = {
+ .startup = mt2701_btmrg_startup,
+ .shutdown = mt2701_btmrg_shutdown,
+ .hw_params = mt2701_btmrg_hw_params,
+};
+
static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = {
/* FE DAIs: memory intefaces to CPU */
{
@@ -610,6 +697,36 @@ static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = {
},
.ops = &mt2701_single_memif_dai_ops,
},
+ {
+ .name = "PCM_BT_DL",
+ .id = MT2701_MEMIF_DLBT,
+ .suspend = mtk_afe_dai_suspend,
+ .resume = mtk_afe_dai_resume,
+ .playback = {
+ .stream_name = "DLBT",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = (SNDRV_PCM_RATE_8000
+ | SNDRV_PCM_RATE_16000),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .ops = &mt2701_single_memif_dai_ops,
+ },
+ {
+ .name = "PCM_BT_UL",
+ .id = MT2701_MEMIF_ULBT,
+ .suspend = mtk_afe_dai_suspend,
+ .resume = mtk_afe_dai_resume,
+ .capture = {
+ .stream_name = "ULBT",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = (SNDRV_PCM_RATE_8000
+ | SNDRV_PCM_RATE_16000),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .ops = &mt2701_single_memif_dai_ops,
+ },
/* BE DAIs */
{
.name = "I2S0",
@@ -709,6 +826,28 @@ static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = {
.ops = &mt2701_afe_i2s_ops,
.symmetric_rates = 1,
},
+ {
+ .name = "MRG BT",
+ .id = MT2701_IO_MRG,
+ .playback = {
+ .stream_name = "BT Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = (SNDRV_PCM_RATE_8000
+ | SNDRV_PCM_RATE_16000),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .capture = {
+ .stream_name = "BT Capture",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = (SNDRV_PCM_RATE_8000
+ | SNDRV_PCM_RATE_16000),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .ops = &mt2701_btmrg_ops,
+ .symmetric_rates = 1,
+ }
};
static const struct snd_kcontrol_new mt2701_afe_o00_mix[] = {
--
1.9.1
next prev parent reply other threads:[~2016-06-13 6:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-13 6:24 [alsa-devel] [PATCH v3 0/9] ASoC: Mediatek: Add support for MT2701 SOC Garlic Tseng
2016-06-13 6:24 ` [alsa-devel] [PATCH v3 1/9] ASoC: mediatek: Refine mt8173 driver and change config option Garlic Tseng
2016-06-13 6:24 ` [alsa-devel] [PATCH v3 2/9] ASoC: mediatek: implement mediatek common structure Garlic Tseng
2016-06-13 6:24 ` [alsa-devel] [PATCH v3 3/9] ASoC: mediatek: let mt8173 use " Garlic Tseng
2016-06-13 6:24 ` [alsa-devel] [PATCH v3 4/9] ASoC: mediatek: add documents for mt2701 Garlic Tseng
2016-06-13 6:24 ` [alsa-devel] [PATCH v3 5/9] ASoC: mediatek: add structure define and clock control for 2701 Garlic Tseng
2016-06-29 19:16 ` Applied "ASoC: mediatek: add structure define and clock control for 2701" to the asoc tree Mark Brown
2016-06-13 6:24 ` [alsa-devel] [PATCH v3 6/9] ASoC: mediatek: add mt2701 platform driver implementation Garlic Tseng
2016-06-13 6:24 ` [alsa-devel] [PATCH v3 7/9] ASoC: bt-sco: extend rate and add a general compatible string Garlic Tseng
2016-06-13 6:24 ` Garlic Tseng [this message]
2016-06-13 6:24 ` [alsa-devel] [PATCH v3 9/9] ASoC: mediatek: Add mt2701-cs42448 driver and config option Garlic Tseng
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