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Diffstat (limited to 'sound/soc/intel/boards/cht_bsw_max98090_ti.c')
-rw-r--r--sound/soc/intel/boards/cht_bsw_max98090_ti.c185
1 files changed, 155 insertions, 30 deletions
diff --git a/sound/soc/intel/boards/cht_bsw_max98090_ti.c b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
index 20755ecc7f9e..d3e1c7e12004 100644
--- a/sound/soc/intel/boards/cht_bsw_max98090_ti.c
+++ b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/acpi.h>
+#include <linux/clk.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
@@ -35,15 +36,48 @@
#define CHT_CODEC_DAI "HiFi"
struct cht_mc_private {
+ struct clk *mclk;
struct snd_soc_jack jack;
bool ts3a227e_present;
};
+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 snd_soc_dai *codec_dai;
+ struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
+ int ret;
+
+ codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI);
+ if (!codec_dai) {
+ dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
+ return -EIO;
+ }
+
+ if (SND_SOC_DAPM_EVENT_ON(event)) {
+ ret = clk_prepare_enable(ctx->mclk);
+ if (ret < 0) {
+ dev_err(card->dev,
+ "could not configure MCLK state");
+ return ret;
+ }
+ } else {
+ clk_disable_unprepare(ctx->mclk);
+ }
+
+ return 0;
+}
+
static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_MIC("Int Mic", NULL),
SND_SOC_DAPM_SPK("Ext Spk", 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 cht_audio_map[] = {
@@ -60,6 +94,10 @@ static const struct snd_soc_dapm_route cht_audio_map[] = {
{"codec_in0", NULL, "ssp2 Rx" },
{"codec_in1", NULL, "ssp2 Rx" },
{"ssp2 Rx", NULL, "HiFi Capture"},
+ {"Headphone", NULL, "Platform Clock"},
+ {"Headset Mic", NULL, "Platform Clock"},
+ {"Int Mic", NULL, "Platform Clock"},
+ {"Ext Spk", NULL, "Platform Clock"},
};
static const struct snd_kcontrol_new cht_mc_controls[] = {
@@ -109,6 +147,40 @@ static struct notifier_block cht_jack_nb = {
.notifier_call = cht_ti_jack_event,
};
+static struct snd_soc_jack_pin hs_jack_pins[] = {
+ {
+ .pin = "Headphone",
+ .mask = SND_JACK_HEADPHONE,
+ },
+ {
+ .pin = "Headset Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
+};
+
+static struct snd_soc_jack_gpio hs_jack_gpios[] = {
+ {
+ .name = "hp",
+ .report = SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
+ .debounce_time = 200,
+ },
+ {
+ .name = "mic",
+ .invert = 1,
+ .report = SND_JACK_MICROPHONE,
+ .debounce_time = 200,
+ },
+};
+
+static const struct acpi_gpio_params hp_gpios = { 0, 0, false };
+static const struct acpi_gpio_params mic_gpios = { 1, 0, false };
+
+static const struct acpi_gpio_mapping acpi_max98090_gpios[] = {
+ { "hp-gpios", &hp_gpios, 1 },
+ { "mic-gpios", &mic_gpios, 1 },
+ {},
+};
+
static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
{
int ret;
@@ -116,30 +188,55 @@ static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
struct snd_soc_jack *jack = &ctx->jack;
- /**
- * TI supports 4 butons headset detection
- * KEY_MEDIA
- * KEY_VOICECOMMAND
- * KEY_VOLUMEUP
- * KEY_VOLUMEDOWN
- */
- if (ctx->ts3a227e_present)
- jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
- SND_JACK_BTN_0 | SND_JACK_BTN_1 |
- SND_JACK_BTN_2 | SND_JACK_BTN_3;
- else
- jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
+ if (ctx->ts3a227e_present) {
+ /*
+ * The jack has already been created in the
+ * cht_max98090_headset_init() function.
+ */
+ snd_soc_jack_notifier_register(jack, &cht_jack_nb);
+ return 0;
+ }
- ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
- jack_type, jack, NULL, 0);
+ jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
+ ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
+ jack_type, jack,
+ hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
if (ret) {
dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret);
return ret;
}
- if (ctx->ts3a227e_present)
- snd_soc_jack_notifier_register(jack, &cht_jack_nb);
+ ret = snd_soc_jack_add_gpiods(runtime->card->dev->parent, jack,
+ ARRAY_SIZE(hs_jack_gpios),
+ hs_jack_gpios);
+ if (ret) {
+ /*
+ * flag error but don't bail if jack detect is broken
+ * due to platform issues or bad BIOS/configuration
+ */
+ dev_err(runtime->dev,
+ "jack detection gpios not added, error %d\n", ret);
+ }
+
+ /*
+ * The firmware might enable the clock at
+ * boot (this information may or may not
+ * be reflected in the enable clock register).
+ * To change the rate we must disable the clock
+ * first to cover these cases. Due to common
+ * clock framework restrictions that do not allow
+ * to disable a clock that has not been enabled,
+ * we need to enable the clock first.
+ */
+ ret = clk_prepare_enable(ctx->mclk);
+ if (!ret)
+ clk_disable_unprepare(ctx->mclk);
+
+ ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);
+
+ if (ret)
+ dev_err(runtime->dev, "unable to set MCLK rate\n");
return ret;
}
@@ -160,7 +257,7 @@ static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
return ret;
}
- fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF
+ fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBS_CFS;
ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt);
@@ -173,8 +270,8 @@ static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
rate->min = rate->max = 48000;
channels->min = channels->max = 2;
- /* set SSP2 to 24-bit */
- params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
+ /* set SSP2 to 16-bit */
+ params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
return 0;
}
@@ -188,8 +285,29 @@ static int cht_max98090_headset_init(struct snd_soc_component *component)
{
struct snd_soc_card *card = component->card;
struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
+ struct snd_soc_jack *jack = &ctx->jack;
+ int jack_type;
+ int ret;
- return ts3a227e_enable_jack_detect(component, &ctx->jack);
+ /*
+ * TI supports 4 butons headset detection
+ * KEY_MEDIA
+ * KEY_VOICECOMMAND
+ * KEY_VOLUMEUP
+ * KEY_VOLUMEDOWN
+ */
+ jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3;
+
+ ret = snd_soc_card_jack_new(card, "Headset Jack", jack_type,
+ jack, NULL, 0);
+ if (ret) {
+ dev_err(card->dev, "Headset Jack creation failed %d\n", ret);
+ return ret;
+ }
+
+ return ts3a227e_enable_jack_detect(component, jack);
}
static const struct snd_soc_ops cht_aif1_ops = {
@@ -232,18 +350,10 @@ static struct snd_soc_dai_link cht_dailink[] = {
.dpcm_playback = 1,
.ops = &cht_aif1_ops,
},
- [MERR_DPCM_COMPR] = {
- .name = "Compressed Port",
- .stream_name = "Compress",
- .cpu_dai_name = "compress-cpu-dai",
- .codec_dai_name = "snd-soc-dummy-dai",
- .codec_name = "snd-soc-dummy",
- .platform_name = "sst-mfld-platform",
- },
/* back ends */
{
.name = "SSP2-Codec",
- .id = 1,
+ .id = 0,
.cpu_dai_name = "ssp2-port",
.platform_name = "sst-mfld-platform",
.no_pcm = 1,
@@ -277,6 +387,7 @@ static struct snd_soc_card snd_soc_card_cht = {
static int snd_cht_mc_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
int ret_val = 0;
struct cht_mc_private *drv;
@@ -289,11 +400,25 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
/* no need probe TI jack detection chip */
snd_soc_card_cht.aux_dev = NULL;
snd_soc_card_cht.num_aux_devs = 0;
+
+ ret_val = devm_acpi_dev_add_driver_gpios(dev->parent,
+ acpi_max98090_gpios);
+ if (ret_val)
+ dev_dbg(dev, "Unable to add GPIO mapping table\n");
}
/* register the soc card */
snd_soc_card_cht.dev = &pdev->dev;
snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
+
+ drv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
+ if (IS_ERR(drv->mclk)) {
+ dev_err(&pdev->dev,
+ "Failed to get MCLK from pmc_plt_clk_3: %ld\n",
+ PTR_ERR(drv->mclk));
+ return PTR_ERR(drv->mclk);
+ }
+
ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
if (ret_val) {
dev_err(&pdev->dev,
generated by cgit (git 2.34.1) at 2024-05-04 11:33:00 +0000