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Diffstat (limited to 'sound/soc/codecs/arizona.c')
-rw-r--r--sound/soc/codecs/arizona.c174
1 files changed, 160 insertions, 14 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index eff4b4d512b7..88f6df21ad95 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -208,11 +208,12 @@ static const struct snd_soc_dapm_widget arizona_spkr =
int arizona_init_spk(struct snd_soc_codec *codec)
{
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
struct arizona *arizona = priv->arizona;
int ret;
- ret = snd_soc_dapm_new_controls(&codec->dapm, &arizona_spkl, 1);
+ ret = snd_soc_dapm_new_controls(dapm, &arizona_spkl, 1);
if (ret != 0)
return ret;
@@ -220,8 +221,7 @@ int arizona_init_spk(struct snd_soc_codec *codec)
case WM8997:
break;
default:
- ret = snd_soc_dapm_new_controls(&codec->dapm,
- &arizona_spkr, 1);
+ ret = snd_soc_dapm_new_controls(dapm, &arizona_spkr, 1);
if (ret != 0)
return ret;
break;
@@ -258,13 +258,14 @@ static const struct snd_soc_dapm_route arizona_mono_routes[] = {
int arizona_init_mono(struct snd_soc_codec *codec)
{
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
struct arizona *arizona = priv->arizona;
int i;
for (i = 0; i < ARIZONA_MAX_OUTPUT; ++i) {
if (arizona->pdata.out_mono[i])
- snd_soc_dapm_add_routes(&codec->dapm,
+ snd_soc_dapm_add_routes(dapm,
&arizona_mono_routes[i], 1);
}
@@ -274,6 +275,7 @@ EXPORT_SYMBOL_GPL(arizona_init_mono);
int arizona_init_gpio(struct snd_soc_codec *codec)
{
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
struct arizona *arizona = priv->arizona;
int i;
@@ -281,23 +283,21 @@ int arizona_init_gpio(struct snd_soc_codec *codec)
switch (arizona->type) {
case WM5110:
case WM8280:
- snd_soc_dapm_disable_pin(&codec->dapm, "DRC2 Signal Activity");
+ snd_soc_dapm_disable_pin(dapm, "DRC2 Signal Activity");
break;
default:
break;
}
- snd_soc_dapm_disable_pin(&codec->dapm, "DRC1 Signal Activity");
+ snd_soc_dapm_disable_pin(dapm, "DRC1 Signal Activity");
for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
switch (arizona->pdata.gpio_defaults[i] & ARIZONA_GPN_FN_MASK) {
case ARIZONA_GP_FN_DRC1_SIGNAL_DETECT:
- snd_soc_dapm_enable_pin(&codec->dapm,
- "DRC1 Signal Activity");
+ snd_soc_dapm_enable_pin(dapm, "DRC1 Signal Activity");
break;
case ARIZONA_GP_FN_DRC2_SIGNAL_DETECT:
- snd_soc_dapm_enable_pin(&codec->dapm,
- "DRC2 Signal Activity");
+ snd_soc_dapm_enable_pin(dapm, "DRC2 Signal Activity");
break;
default:
break;
@@ -851,6 +851,134 @@ int arizona_hp_ev(struct snd_soc_dapm_widget *w,
}
EXPORT_SYMBOL_GPL(arizona_hp_ev);
+static int arizona_dvfs_enable(struct snd_soc_codec *codec)
+{
+ const struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct arizona *arizona = priv->arizona;
+ int ret;
+
+ ret = regulator_set_voltage(arizona->dcvdd, 1800000, 1800000);
+ if (ret) {
+ dev_err(codec->dev, "Failed to boost DCVDD: %d\n", ret);
+ return ret;
+ }
+
+ ret = regmap_update_bits(arizona->regmap,
+ ARIZONA_DYNAMIC_FREQUENCY_SCALING_1,
+ ARIZONA_SUBSYS_MAX_FREQ,
+ ARIZONA_SUBSYS_MAX_FREQ);
+ if (ret) {
+ dev_err(codec->dev, "Failed to enable subsys max: %d\n", ret);
+ regulator_set_voltage(arizona->dcvdd, 1200000, 1800000);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int arizona_dvfs_disable(struct snd_soc_codec *codec)
+{
+ const struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct arizona *arizona = priv->arizona;
+ int ret;
+
+ ret = regmap_update_bits(arizona->regmap,
+ ARIZONA_DYNAMIC_FREQUENCY_SCALING_1,
+ ARIZONA_SUBSYS_MAX_FREQ, 0);
+ if (ret) {
+ dev_err(codec->dev, "Failed to disable subsys max: %d\n", ret);
+ return ret;
+ }
+
+ ret = regulator_set_voltage(arizona->dcvdd, 1200000, 1800000);
+ if (ret) {
+ dev_err(codec->dev, "Failed to unboost DCVDD: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+int arizona_dvfs_up(struct snd_soc_codec *codec, unsigned int flags)
+{
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ int ret = 0;
+
+ mutex_lock(&priv->dvfs_lock);
+
+ if (!priv->dvfs_cached && !priv->dvfs_reqs) {
+ ret = arizona_dvfs_enable(codec);
+ if (ret)
+ goto err;
+ }
+
+ priv->dvfs_reqs |= flags;
+err:
+ mutex_unlock(&priv->dvfs_lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(arizona_dvfs_up);
+
+int arizona_dvfs_down(struct snd_soc_codec *codec, unsigned int flags)
+{
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ unsigned int old_reqs;
+ int ret = 0;
+
+ mutex_lock(&priv->dvfs_lock);
+
+ old_reqs = priv->dvfs_reqs;
+ priv->dvfs_reqs &= ~flags;
+
+ if (!priv->dvfs_cached && old_reqs && !priv->dvfs_reqs)
+ ret = arizona_dvfs_disable(codec);
+
+ mutex_unlock(&priv->dvfs_lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(arizona_dvfs_down);
+
+int arizona_dvfs_sysclk_ev(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ int ret = 0;
+
+ mutex_lock(&priv->dvfs_lock);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ if (priv->dvfs_reqs)
+ ret = arizona_dvfs_enable(codec);
+
+ priv->dvfs_cached = false;
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ /* We must ensure DVFS is disabled before the codec goes into
+ * suspend so that we are never in an illegal state of DVFS
+ * enabled without enough DCVDD
+ */
+ priv->dvfs_cached = true;
+
+ if (priv->dvfs_reqs)
+ ret = arizona_dvfs_disable(codec);
+ break;
+ default:
+ break;
+ }
+
+ mutex_unlock(&priv->dvfs_lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(arizona_dvfs_sysclk_ev);
+
+void arizona_init_dvfs(struct arizona_priv *priv)
+{
+ mutex_init(&priv->dvfs_lock);
+}
+EXPORT_SYMBOL_GPL(arizona_init_dvfs);
+
static unsigned int arizona_sysclk_48k_rates[] = {
6144000,
12288000,
@@ -1266,7 +1394,7 @@ static int arizona_hw_params_rate(struct snd_pcm_substream *substream,
struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
int base = dai->driver->base;
- int i, sr_val;
+ int i, sr_val, ret;
/*
* We will need to be more flexible than this in future,
@@ -1282,6 +1410,23 @@ static int arizona_hw_params_rate(struct snd_pcm_substream *substream,
}
sr_val = i;
+ switch (priv->arizona->type) {
+ case WM5102:
+ case WM8997:
+ if (arizona_sr_vals[sr_val] >= 88200)
+ ret = arizona_dvfs_up(codec, ARIZONA_DVFS_SR1_RQ);
+ else
+ ret = arizona_dvfs_down(codec, ARIZONA_DVFS_SR1_RQ);
+
+ if (ret) {
+ arizona_aif_err(dai, "Failed to change DVFS %d\n", ret);
+ return ret;
+ }
+ break;
+ default:
+ break;
+ }
+
switch (dai_priv->clk) {
case ARIZONA_CLK_SYSCLK:
switch (priv->arizona->type) {
@@ -1474,6 +1619,7 @@ static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = dai->codec;
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
struct snd_soc_dapm_route routes[2];
@@ -1504,15 +1650,15 @@ static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
routes[0].source = arizona_dai_clk_str(dai_priv->clk);
routes[1].source = arizona_dai_clk_str(dai_priv->clk);
- snd_soc_dapm_del_routes(&codec->dapm, routes, ARRAY_SIZE(routes));
+ snd_soc_dapm_del_routes(dapm, routes, ARRAY_SIZE(routes));
routes[0].source = arizona_dai_clk_str(clk_id);
routes[1].source = arizona_dai_clk_str(clk_id);
- snd_soc_dapm_add_routes(&codec->dapm, routes, ARRAY_SIZE(routes));
+ snd_soc_dapm_add_routes(dapm, routes, ARRAY_SIZE(routes));
dai_priv->clk = clk_id;
- return snd_soc_dapm_sync(&codec->dapm);
+ return snd_soc_dapm_sync(dapm);
}
static int arizona_set_tristate(struct snd_soc_dai *dai, int tristate)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 11:34:50 +0000