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ASoC: mediatek: add BT implementation 

Add BT implementation for mt2701 platform driver.

Signed-off-by: Garlic Tseng <garlic.tseng@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Garlic Tseng 2016-07-04 18:56:27 +08:00 committed by Mark Brown
parent 1f458d53f7
commit 4bdc8d452c
1 changed files with 139 additions and 0 deletions
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139
sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
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@ -333,6 +333,86 @@ static int mt2701_afe_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
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)
{
@ -514,6 +594,13 @@ static const struct snd_soc_dai_ops mt2701_afe_i2s_ops = {
.set_sysclk = mt2701_afe_i2s_set_sysclk,
};
/* 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 */
{
@ -566,6 +653,36 @@ 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",
@ -665,6 +782,28 @@ 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[] = {