diff options
| author | Cheng-Yi Chiang <cychiang@chromium.org> | 2018-11-28 17:00:35 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-12-07 12:20:43 +0000 |
| commit | 09b382007aa54dbe2cc142ef78d69b9a7645fcd6 (patch) | |
| tree | ca9637b4dc334ce50760ad318f9b8dbf1d616945 /sound | |
| parent | bc2610a6c4c92f0bf6bbf4c6641407536f30daaf (diff) | |
ASoC: sdm845: Add TDM configuration for speaker
Set TDM time slots and DAI format for speaker codec.
Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/qcom/sdm845.c | 69 |
1 files changed, 68 insertions, 1 deletions
diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c index 43c03f8e8cdc..d0df7ec6042e 100644 --- a/sound/soc/qcom/sdm845.c +++ b/sound/soc/qcom/sdm845.c @@ -6,9 +6,11 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/of_device.h> +#include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/jack.h> +#include <sound/soc.h> #include <uapi/linux/input-event-codes.h> #include "common.h" #include "qdsp6/q6afe.h" @@ -17,6 +19,10 @@ #define DEFAULT_MCLK_RATE 24576000 #define TDM_BCLK_RATE 6144000 #define MI2S_BCLK_RATE 1536000 +#define LEFT_SPK_TDM_TX_MASK 0x30 +#define RIGHT_SPK_TDM_TX_MASK 0xC0 +#define SPK_TDM_RX_MASK 0x03 +#define NUM_TDM_SLOTS 8 struct sdm845_snd_data { struct snd_soc_jack jack; @@ -34,7 +40,7 @@ static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream, { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - int ret = 0; + int ret = 0, j; int channels, slot_width; switch (params_format(params)) { @@ -81,6 +87,35 @@ static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream, goto end; } } + + for (j = 0; j < rtd->num_codecs; j++) { + struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; + + if (!strcmp(codec_dai->component->name_prefix, "Left")) { + ret = snd_soc_dai_set_tdm_slot( + codec_dai, LEFT_SPK_TDM_TX_MASK, + SPK_TDM_RX_MASK, NUM_TDM_SLOTS, + slot_width); + if (ret < 0) { + dev_err(rtd->dev, + "DEV0 TDM slot err:%d\n", ret); + return ret; + } + } + + if (!strcmp(codec_dai->component->name_prefix, "Right")) { + ret = snd_soc_dai_set_tdm_slot( + codec_dai, RIGHT_SPK_TDM_TX_MASK, + SPK_TDM_RX_MASK, NUM_TDM_SLOTS, + slot_width); + if (ret < 0) { + dev_err(rtd->dev, + "DEV1 TDM slot err:%d\n", ret); + return ret; + } + } + } + end: return ret; } @@ -155,10 +190,14 @@ static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd) static int sdm845_snd_startup(struct snd_pcm_substream *substream) { unsigned int fmt = SND_SOC_DAIFMT_CBS_CFS; + unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBS_CFS; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_card *card = rtd->card; struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card); struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + int j; + int ret; switch (cpu_dai->id) { case PRIMARY_MI2S_RX: @@ -190,6 +229,34 @@ static int sdm845_snd_startup(struct snd_pcm_substream *substream) Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT, TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); } + + codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B; + + for (j = 0; j < rtd->num_codecs; j++) { + codec_dai = rtd->codec_dais[j]; + + if (!strcmp(codec_dai->component->name_prefix, + "Left")) { + ret = snd_soc_dai_set_fmt( + codec_dai, codec_dai_fmt); + if (ret < 0) { + dev_err(rtd->dev, + "Left TDM fmt err:%d\n", ret); + return ret; + } + } + + if (!strcmp(codec_dai->component->name_prefix, + "Right")) { + ret = snd_soc_dai_set_fmt( + codec_dai, codec_dai_fmt); + if (ret < 0) { + dev_err(rtd->dev, + "Right TDM slot err:%d\n", ret); + return ret; + } + } + } break; default: |