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Diffstat (limited to 'sound/soc/qcom/sdm845.c')
-rw-r--r--sound/soc/qcom/sdm845.c105
1 files changed, 85 insertions, 20 deletions
diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c
index 3b5547a27aad..b2de65c7f95c 100644
--- a/sound/soc/qcom/sdm845.c
+++ b/sound/soc/qcom/sdm845.c
@@ -11,6 +11,7 @@
#include <sound/pcm_params.h>
#include <sound/jack.h>
#include <sound/soc.h>
+#include <linux/soundwire/sdw.h>
#include <uapi/linux/input-event-codes.h>
#include "common.h"
#include "qdsp6/q6afe.h"
@@ -31,10 +32,12 @@
struct sdm845_snd_data {
struct snd_soc_jack jack;
bool jack_setup;
+ bool stream_prepared[SLIM_MAX_RX_PORTS];
struct snd_soc_card *card;
uint32_t pri_mi2s_clk_count;
uint32_t sec_mi2s_clk_count;
uint32_t quat_tdm_clk_count;
+ struct sdw_stream_runtime *sruntime[SLIM_MAX_RX_PORTS];
};
static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28};
@@ -43,14 +46,21 @@ static int sdm845_slim_snd_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai_link *dai_link = rtd->dai_link;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct snd_soc_dai *codec_dai;
+ struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card);
u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS];
+ struct sdw_stream_runtime *sruntime;
u32 rx_ch_cnt = 0, tx_ch_cnt = 0;
int ret = 0, i;
- for (i = 0 ; i < dai_link->num_codecs; i++) {
- ret = snd_soc_dai_get_channel_map(rtd->codec_dais[i],
+ for_each_rtd_codec_dais(rtd, i, codec_dai) {
+ sruntime = snd_soc_dai_get_sdw_stream(codec_dai,
+ substream->stream);
+ if (sruntime != ERR_PTR(-ENOTSUPP))
+ pdata->sruntime[cpu_dai->id] = sruntime;
+
+ ret = snd_soc_dai_get_channel_map(codec_dai,
&tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch);
if (ret != 0 && ret != -ENOTSUPP) {
@@ -76,7 +86,8 @@ static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct snd_soc_dai *codec_dai;
int ret = 0, j;
int channels, slot_width;
@@ -125,8 +136,7 @@ static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,
}
}
- for (j = 0; j < rtd->num_codecs; j++) {
- struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
+ for_each_rtd_codec_dais(rtd, j, codec_dai) {
if (!strcmp(codec_dai->component->name_prefix, "Left")) {
ret = snd_soc_dai_set_tdm_slot(
@@ -161,8 +171,8 @@ static int sdm845_snd_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
int ret = 0;
switch (cpu_dai->id) {
@@ -210,11 +220,10 @@ static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_component *component;
struct snd_soc_card *card = rtd->card;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card);
struct snd_jack *jack;
- struct snd_soc_dai_link *dai_link = rtd->dai_link;
/*
* Codec SLIMBUS configuration
* RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13
@@ -266,8 +275,8 @@ static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
}
break;
case SLIMBUS_0_RX...SLIMBUS_6_TX:
- for (i = 0 ; i < dai_link->num_codecs; i++) {
- rval = snd_soc_dai_set_channel_map(rtd->codec_dais[i],
+ for_each_rtd_codec_dais(rtd, i, codec_dai) {
+ rval = snd_soc_dai_set_channel_map(codec_dai,
ARRAY_SIZE(tx_ch),
tx_ch,
ARRAY_SIZE(rx_ch),
@@ -275,7 +284,7 @@ static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
if (rval != 0 && rval != -ENOTSUPP)
return rval;
- snd_soc_dai_set_sysclk(rtd->codec_dais[i], 0,
+ snd_soc_dai_set_sysclk(codec_dai, 0,
WCD934X_DEFAULT_MCLK_RATE,
SNDRV_PCM_STREAM_PLAYBACK);
}
@@ -295,8 +304,8 @@ static int sdm845_snd_startup(struct snd_pcm_substream *substream)
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;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
int j;
int ret;
@@ -345,8 +354,7 @@ static int sdm845_snd_startup(struct snd_pcm_substream *substream)
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];
+ for_each_rtd_codec_dais(rtd, j, codec_dai) {
if (!strcmp(codec_dai->component->name_prefix,
"Left")) {
@@ -386,7 +394,7 @@ static void sdm845_snd_shutdown(struct snd_pcm_substream *substream)
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 *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
switch (cpu_dai->id) {
case PRIMARY_MI2S_RX:
@@ -427,8 +435,65 @@ static void sdm845_snd_shutdown(struct snd_pcm_substream *substream)
}
}
+static int sdm845_snd_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
+ int ret;
+
+ if (!sruntime)
+ return 0;
+
+ if (data->stream_prepared[cpu_dai->id]) {
+ sdw_disable_stream(sruntime);
+ sdw_deprepare_stream(sruntime);
+ data->stream_prepared[cpu_dai->id] = false;
+ }
+
+ ret = sdw_prepare_stream(sruntime);
+ if (ret)
+ return ret;
+
+ /**
+ * NOTE: there is a strict hw requirement about the ordering of port
+ * enables and actual WSA881x PA enable. PA enable should only happen
+ * after soundwire ports are enabled if not DC on the line is
+ * accumulated resulting in Click/Pop Noise
+ * PA enable/mute are handled as part of codec DAPM and digital mute.
+ */
+
+ ret = sdw_enable_stream(sruntime);
+ if (ret) {
+ sdw_deprepare_stream(sruntime);
+ return ret;
+ }
+ data->stream_prepared[cpu_dai->id] = true;
+
+ return ret;
+}
+
+static int sdm845_snd_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
+
+ if (sruntime && data->stream_prepared[cpu_dai->id]) {
+ sdw_disable_stream(sruntime);
+ sdw_deprepare_stream(sruntime);
+ data->stream_prepared[cpu_dai->id] = false;
+ }
+
+ return 0;
+}
+
static const struct snd_soc_ops sdm845_be_ops = {
.hw_params = sdm845_snd_hw_params,
+ .hw_free = sdm845_snd_hw_free,
+ .prepare = sdm845_snd_prepare,
.startup = sdm845_snd_startup,
.shutdown = sdm845_snd_shutdown,
};
generated by cgit (git 2.34.1) at 2024-05-28 21:45:17 +0000