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Diffstat (limited to 'sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c')
-rw-r--r--sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c161
1 files changed, 154 insertions, 7 deletions
diff --git a/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c b/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
index 74dda8784f1a..96c814f36458 100644
--- a/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
+++ b/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
@@ -22,6 +22,9 @@
#include "../../codecs/rt5514.h"
#include "../../codecs/rt5663.h"
#include "../../codecs/hdac_hdmi.h"
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
#define KBL_REALTEK_CODEC_DAI "rt5663-aif"
#define KBL_REALTEK_DMIC_CODEC_DAI "rt5514-aif1"
@@ -50,6 +53,8 @@ struct kbl_codec_private {
struct snd_soc_jack kabylake_headset;
struct list_head hdmi_pcm_list;
struct snd_soc_jack kabylake_hdmi[2];
+ struct clk *mclk;
+ struct clk *sclk;
};
enum {
@@ -71,6 +76,61 @@ static const struct snd_kcontrol_new kabylake_controls[] = {
SOC_DAPM_PIN_SWITCH("DMIC"),
};
+static int platform_clock_control(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct snd_soc_card *card = dapm->card;
+ struct kbl_codec_private *priv = snd_soc_card_get_drvdata(card);
+ int ret = 0;
+
+ /*
+ * MCLK/SCLK need to be ON early for a successful synchronization of
+ * codec internal clock. And the clocks are turned off during
+ * POST_PMD after the stream is stopped.
+ */
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ /* Enable MCLK */
+ ret = clk_set_rate(priv->mclk, 24000000);
+ if (ret < 0) {
+ dev_err(card->dev, "Can't set rate for mclk, err: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(priv->mclk);
+ if (ret < 0) {
+ dev_err(card->dev, "Can't enable mclk, err: %d\n", ret);
+ return ret;
+ }
+
+ /* Enable SCLK */
+ ret = clk_set_rate(priv->sclk, 3072000);
+ if (ret < 0) {
+ dev_err(card->dev, "Can't set rate for sclk, err: %d\n",
+ ret);
+ clk_disable_unprepare(priv->mclk);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(priv->sclk);
+ if (ret < 0) {
+ dev_err(card->dev, "Can't enable sclk, err: %d\n", ret);
+ clk_disable_unprepare(priv->mclk);
+ }
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ clk_disable_unprepare(priv->mclk);
+ clk_disable_unprepare(priv->sclk);
+ break;
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
static const struct snd_soc_dapm_widget kabylake_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
@@ -79,11 +139,15 @@ static const struct snd_soc_dapm_widget kabylake_widgets[] = {
SND_SOC_DAPM_MIC("DMIC", NULL),
SND_SOC_DAPM_SPK("HDMI1", NULL),
SND_SOC_DAPM_SPK("HDMI2", NULL),
+ SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
+ platform_clock_control, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
};
static const struct snd_soc_dapm_route kabylake_map[] = {
/* Headphones */
+ { "Headphone Jack", NULL, "Platform Clock" },
{ "Headphone Jack", NULL, "HPOL" },
{ "Headphone Jack", NULL, "HPOR" },
@@ -92,6 +156,7 @@ static const struct snd_soc_dapm_route kabylake_map[] = {
{ "Right Spk", NULL, "Right BE_OUT" },
/* other jacks */
+ { "Headset Mic", NULL, "Platform Clock" },
{ "IN1P", NULL, "Headset Mic" },
{ "IN1N", NULL, "Headset Mic" },
@@ -128,11 +193,11 @@ static const struct snd_soc_dapm_route kabylake_map[] = {
static struct snd_soc_codec_conf max98927_codec_conf[] = {
{
- .dev_name = MAXIM_DEV0_NAME,
+ .dlc = COMP_CODEC_CONF(MAXIM_DEV0_NAME),
.name_prefix = "Right",
},
{
- .dev_name = MAXIM_DEV1_NAME,
+ .dlc = COMP_CODEC_CONF(MAXIM_DEV1_NAME),
.name_prefix = "Left",
},
};
@@ -268,7 +333,7 @@ static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
{
struct snd_interval *rate = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_RATE);
- struct snd_interval *channels = hw_param_interval(params,
+ struct snd_interval *chan = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
struct snd_soc_dpcm *dpcm = container_of(
@@ -283,15 +348,15 @@ static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
!strcmp(fe_dai_link->name, "Kbl Audio Headset Playback") ||
!strcmp(fe_dai_link->name, "Kbl Audio Capture Port")) {
rate->min = rate->max = 48000;
- channels->min = channels->max = 2;
+ chan->min = chan->max = 2;
snd_mask_none(fmt);
snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
} else if (!strcmp(fe_dai_link->name, "Kbl Audio DMIC cap")) {
if (params_channels(params) == 2 ||
DMIC_CH(dmic_constraints) == 2)
- channels->min = channels->max = 2;
+ chan->min = chan->max = 2;
else
- channels->min = channels->max = 4;
+ chan->min = chan->max = 4;
}
/*
* The speaker on the SSP0 supports S16_LE and not S24_LE.
@@ -400,6 +465,9 @@ static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
dmic_constraints);
+ runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
+ snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
+
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
}
@@ -588,6 +656,55 @@ static struct snd_soc_dai_link kabylake_dais[] = {
},
};
+static int kabylake_set_bias_level(struct snd_soc_card *card,
+ struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level)
+{
+ struct snd_soc_component *component = dapm->component;
+ struct kbl_codec_private *priv = snd_soc_card_get_drvdata(card);
+ int ret = 0;
+
+ if (!component || strcmp(component->name, RT5514_DEV_NAME))
+ return 0;
+
+ if (IS_ERR(priv->mclk))
+ return 0;
+
+ /*
+ * It's required to control mclk directly in the set_bias_level
+ * function for rt5514 codec or the recording function could
+ * break.
+ */
+ switch (level) {
+ case SND_SOC_BIAS_PREPARE:
+ if (dapm->bias_level == SND_SOC_BIAS_ON) {
+ dev_dbg(card->dev, "Disable mclk");
+ clk_disable_unprepare(priv->mclk);
+ } else {
+ dev_dbg(card->dev, "Enable mclk");
+ ret = clk_set_rate(priv->mclk, 24000000);
+ if (ret) {
+ dev_err(card->dev, "Can't set rate for mclk, err: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(priv->mclk);
+ if (ret) {
+ dev_err(card->dev, "Can't enable mclk, err: %d\n",
+ ret);
+
+ /* mclk is already enabled in FW */
+ ret = 0;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
static int kabylake_card_late_probe(struct snd_soc_card *card)
{
struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card);
@@ -623,10 +740,11 @@ static int kabylake_card_late_probe(struct snd_soc_card *card)
* kabylake audio machine driver for MAX98927 + RT5514 + RT5663
*/
static struct snd_soc_card kabylake_audio_card = {
- .name = "kbl_r5514_5663_max",
+ .name = "kbl-r5514-5663-max",
.owner = THIS_MODULE,
.dai_link = kabylake_dais,
.num_links = ARRAY_SIZE(kabylake_dais),
+ .set_bias_level = kabylake_set_bias_level,
.controls = kabylake_controls,
.num_controls = ARRAY_SIZE(kabylake_controls),
.dapm_widgets = kabylake_widgets,
@@ -643,6 +761,7 @@ static int kabylake_audio_probe(struct platform_device *pdev)
{
struct kbl_codec_private *ctx;
struct snd_soc_acpi_mach *mach;
+ int ret;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
@@ -658,6 +777,34 @@ static int kabylake_audio_probe(struct platform_device *pdev)
dmic_constraints = mach->mach_params.dmic_num == 2 ?
&constraints_dmic_2ch : &constraints_dmic_channels;
+ ctx->mclk = devm_clk_get(&pdev->dev, "ssp1_mclk");
+ if (IS_ERR(ctx->mclk)) {
+ ret = PTR_ERR(ctx->mclk);
+ if (ret == -ENOENT) {
+ dev_info(&pdev->dev,
+ "Failed to get ssp1_mclk, defer probe\n");
+ return -EPROBE_DEFER;
+ }
+
+ dev_err(&pdev->dev, "Failed to get ssp1_mclk with err:%d\n",
+ ret);
+ return ret;
+ }
+
+ ctx->sclk = devm_clk_get(&pdev->dev, "ssp1_sclk");
+ if (IS_ERR(ctx->sclk)) {
+ ret = PTR_ERR(ctx->sclk);
+ if (ret == -ENOENT) {
+ dev_info(&pdev->dev,
+ "Failed to get ssp1_sclk, defer probe\n");
+ return -EPROBE_DEFER;
+ }
+
+ dev_err(&pdev->dev, "Failed to get ssp1_sclk with err:%d\n",
+ ret);
+ return ret;
+ }
+
return devm_snd_soc_register_card(&pdev->dev, &kabylake_audio_card);
}
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