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Diffstat (limited to 'sound/soc/samsung/littlemill.c')
-rw-r--r--sound/soc/samsung/littlemill.c102
1 files changed, 90 insertions, 12 deletions
diff --git a/sound/soc/samsung/littlemill.c b/sound/soc/samsung/littlemill.c
index e7416851bf7d..c82c646b8a08 100644
--- a/sound/soc/samsung/littlemill.c
+++ b/sound/soc/samsung/littlemill.c
@@ -23,10 +23,10 @@ static int littlemill_set_bias_level(struct snd_soc_card *card,
struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level)
{
- struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+ struct snd_soc_dai *aif1_dai = card->rtd[0].codec_dai;
int ret;
- if (dapm->dev != codec_dai->dev)
+ if (dapm->dev != aif1_dai->dev)
return 0;
switch (level) {
@@ -36,7 +36,7 @@ static int littlemill_set_bias_level(struct snd_soc_card *card,
* then do so now, otherwise these are noops.
*/
if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
- ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1,
+ ret = snd_soc_dai_set_pll(aif1_dai, WM8994_FLL1,
WM8994_FLL_SRC_MCLK2, 32768,
sample_rate * 512);
if (ret < 0) {
@@ -44,7 +44,7 @@ static int littlemill_set_bias_level(struct snd_soc_card *card,
return ret;
}
- ret = snd_soc_dai_set_sysclk(codec_dai,
+ ret = snd_soc_dai_set_sysclk(aif1_dai,
WM8994_SYSCLK_FLL1,
sample_rate * 512,
SND_SOC_CLOCK_IN);
@@ -66,25 +66,25 @@ static int littlemill_set_bias_level_post(struct snd_soc_card *card,
struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level)
{
- struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+ struct snd_soc_dai *aif1_dai = card->rtd[0].codec_dai;
int ret;
- if (dapm->dev != codec_dai->dev)
+ if (dapm->dev != aif1_dai->dev)
return 0;
switch (level) {
case SND_SOC_BIAS_STANDBY:
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK2,
+ ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_MCLK2,
32768, SND_SOC_CLOCK_IN);
if (ret < 0) {
- pr_err("Failed to switch away from FLL: %d\n", ret);
+ pr_err("Failed to switch away from FLL1: %d\n", ret);
return ret;
}
- ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1,
+ ret = snd_soc_dai_set_pll(aif1_dai, WM8994_FLL1,
0, 0, 0);
if (ret < 0) {
- pr_err("Failed to stop FLL: %d\n", ret);
+ pr_err("Failed to stop FLL1: %d\n", ret);
return ret;
}
break;
@@ -131,6 +131,14 @@ static struct snd_soc_ops littlemill_ops = {
.hw_params = littlemill_hw_params,
};
+static const struct snd_soc_pcm_stream baseband_params = {
+ .formats = SNDRV_PCM_FMTBIT_S32_LE,
+ .rate_min = 8000,
+ .rate_max = 8000,
+ .channels_min = 2,
+ .channels_max = 2,
+};
+
static struct snd_soc_dai_link littlemill_dai[] = {
{
.name = "CPU",
@@ -143,13 +151,75 @@ static struct snd_soc_dai_link littlemill_dai[] = {
| SND_SOC_DAIFMT_CBM_CFM,
.ops = &littlemill_ops,
},
+ {
+ .name = "Baseband",
+ .stream_name = "Baseband",
+ .cpu_dai_name = "wm8994-aif2",
+ .codec_dai_name = "wm1250-ev1",
+ .codec_name = "wm1250-ev1.1-0027",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM,
+ .ignore_suspend = 1,
+ .params = &baseband_params,
+ },
};
+static int bbclk_ev(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_card *card = w->dapm->card;
+ struct snd_soc_dai *aif2_dai = card->rtd[1].cpu_dai;
+ int ret;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ ret = snd_soc_dai_set_pll(aif2_dai, WM8994_FLL2,
+ WM8994_FLL_SRC_BCLK, 64 * 8000,
+ 8000 * 256);
+ if (ret < 0) {
+ pr_err("Failed to start FLL: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_sysclk(aif2_dai, WM8994_SYSCLK_FLL2,
+ 8000 * 256,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ pr_err("Failed to set SYSCLK: %d\n", ret);
+ return ret;
+ }
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ ret = snd_soc_dai_set_sysclk(aif2_dai, WM8994_SYSCLK_MCLK2,
+ 32768, SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ pr_err("Failed to switch away from FLL2: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_pll(aif2_dai, WM8994_FLL2,
+ 0, 0, 0);
+ if (ret < 0) {
+ pr_err("Failed to stop FLL2: %d\n", ret);
+ return ret;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static struct snd_soc_dapm_widget widgets[] = {
SND_SOC_DAPM_HP("Headphone", NULL),
SND_SOC_DAPM_MIC("AMIC", NULL),
SND_SOC_DAPM_MIC("DMIC", NULL),
+
+ SND_SOC_DAPM_SUPPLY_S("Baseband Clock", -1, SND_SOC_NOPM, 0, 0,
+ bbclk_ev,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
};
static struct snd_soc_dapm_route audio_paths[] = {
@@ -162,6 +232,8 @@ static struct snd_soc_dapm_route audio_paths[] = {
{ "DMIC", NULL, "MICBIAS2" }, /* Default for DMICBIAS jumper */
{ "DMIC1DAT", NULL, "DMIC" },
{ "DMIC2DAT", NULL, "DMIC" },
+
+ { "AIF2CLK", NULL, "Baseband Clock" },
};
static struct snd_soc_jack littlemill_headset;
@@ -169,10 +241,16 @@ static struct snd_soc_jack littlemill_headset;
static int littlemill_late_probe(struct snd_soc_card *card)
{
struct snd_soc_codec *codec = card->rtd[0].codec;
- struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+ struct snd_soc_dai *aif1_dai = card->rtd[0].codec_dai;
+ struct snd_soc_dai *aif2_dai = card->rtd[1].cpu_dai;
int ret;
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK2,
+ ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_MCLK2,
+ 32768, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(aif2_dai, WM8994_SYSCLK_MCLK2,
32768, SND_SOC_CLOCK_IN);
if (ret < 0)
return ret;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 18:37:31 +0000