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Diffstat (limited to 'sound/soc/intel/boards/bytcht_es8316.c')
-rw-r--r--sound/soc/intel/boards/bytcht_es8316.c336
1 files changed, 305 insertions, 31 deletions
diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c
index adc26dfc7d65..d2a7e6ba11ae 100644
--- a/sound/soc/intel/boards/bytcht_es8316.c
+++ b/sound/soc/intel/boards/bytcht_es8316.c
@@ -19,13 +19,20 @@
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
+#include <linux/acpi.h>
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
#include <linux/init.h>
+#include <linux/input.h>
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/device.h>
#include <linux/slab.h>
+#include <asm/cpu_device_id.h>
+#include <asm/intel-family.h>
#include <asm/platform_sst_audio.h>
-#include <linux/clk.h>
+#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
@@ -35,27 +42,96 @@
struct byt_cht_es8316_private {
struct clk *mclk;
+ struct snd_soc_jack jack;
+ struct gpio_desc *speaker_en_gpio;
+ bool speaker_en;
};
+enum {
+ BYT_CHT_ES8316_INTMIC_IN1_MAP,
+ BYT_CHT_ES8316_INTMIC_IN2_MAP,
+};
+
+#define BYT_CHT_ES8316_MAP(quirk) ((quirk) & GENMASK(3, 0))
+#define BYT_CHT_ES8316_SSP0 BIT(16)
+#define BYT_CHT_ES8316_MONO_SPEAKER BIT(17)
+
+static int quirk;
+
+static int quirk_override = -1;
+module_param_named(quirk, quirk_override, int, 0444);
+MODULE_PARM_DESC(quirk, "Board-specific quirk override");
+
+static void log_quirks(struct device *dev)
+{
+ if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN1_MAP)
+ dev_info(dev, "quirk IN1_MAP enabled");
+ if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN2_MAP)
+ dev_info(dev, "quirk IN2_MAP enabled");
+ if (quirk & BYT_CHT_ES8316_SSP0)
+ dev_info(dev, "quirk SSP0 enabled");
+ if (quirk & BYT_CHT_ES8316_MONO_SPEAKER)
+ dev_info(dev, "quirk MONO_SPEAKER enabled\n");
+}
+
+static int byt_cht_es8316_speaker_power_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_card *card = w->dapm->card;
+ struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
+
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ priv->speaker_en = true;
+ else
+ priv->speaker_en = false;
+
+ gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
+
+ return 0;
+}
+
static const struct snd_soc_dapm_widget byt_cht_es8316_widgets[] = {
+ SND_SOC_DAPM_SPK("Speaker", NULL),
SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_MIC("Internal Mic", NULL),
- /*
- * The codec supports two analog microphone inputs. I have only
- * tested MIC1. A DMIC route could also potentially be added
- * if such functionality is found on another platform.
- */
- SND_SOC_DAPM_MIC("Microphone 1", NULL),
- SND_SOC_DAPM_MIC("Microphone 2", NULL),
+ SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,
+ byt_cht_es8316_speaker_power_event,
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
};
static const struct snd_soc_dapm_route byt_cht_es8316_audio_map[] = {
- {"MIC1", NULL, "Microphone 1"},
- {"MIC2", NULL, "Microphone 2"},
-
{"Headphone", NULL, "HPOL"},
{"Headphone", NULL, "HPOR"},
+ /*
+ * There is no separate speaker output instead the speakers are muxed to
+ * the HP outputs. The mux is controlled by the "Speaker Power" supply.
+ */
+ {"Speaker", NULL, "HPOL"},
+ {"Speaker", NULL, "HPOR"},
+ {"Speaker", NULL, "Speaker Power"},
+};
+
+static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in1_map[] = {
+ {"MIC1", NULL, "Internal Mic"},
+ {"MIC2", NULL, "Headset Mic"},
+};
+
+static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in2_map[] = {
+ {"MIC2", NULL, "Internal Mic"},
+ {"MIC1", NULL, "Headset Mic"},
+};
+
+static const struct snd_soc_dapm_route byt_cht_es8316_ssp0_map[] = {
+ {"Playback", NULL, "ssp0 Tx"},
+ {"ssp0 Tx", NULL, "modem_out"},
+ {"modem_in", NULL, "ssp0 Rx"},
+ {"ssp0 Rx", NULL, "Capture"},
+};
+
+static const struct snd_soc_dapm_route byt_cht_es8316_ssp2_map[] = {
{"Playback", NULL, "ssp2 Tx"},
{"ssp2 Tx", NULL, "codec_out0"},
{"ssp2 Tx", NULL, "codec_out1"},
@@ -65,19 +141,60 @@ static const struct snd_soc_dapm_route byt_cht_es8316_audio_map[] = {
};
static const struct snd_kcontrol_new byt_cht_es8316_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Speaker"),
SOC_DAPM_PIN_SWITCH("Headphone"),
- SOC_DAPM_PIN_SWITCH("Microphone 1"),
- SOC_DAPM_PIN_SWITCH("Microphone 2"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+ SOC_DAPM_PIN_SWITCH("Internal Mic"),
+};
+
+static struct snd_soc_jack_pin byt_cht_es8316_jack_pins[] = {
+ {
+ .pin = "Headphone",
+ .mask = SND_JACK_HEADPHONE,
+ },
+ {
+ .pin = "Headset Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
};
static int byt_cht_es8316_init(struct snd_soc_pcm_runtime *runtime)
{
+ struct snd_soc_component *codec = runtime->codec_dai->component;
struct snd_soc_card *card = runtime->card;
struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
+ const struct snd_soc_dapm_route *custom_map;
+ int num_routes;
int ret;
card->dapm.idle_bias_off = true;
+ switch (BYT_CHT_ES8316_MAP(quirk)) {
+ case BYT_CHT_ES8316_INTMIC_IN1_MAP:
+ default:
+ custom_map = byt_cht_es8316_intmic_in1_map;
+ num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in1_map);
+ break;
+ case BYT_CHT_ES8316_INTMIC_IN2_MAP:
+ custom_map = byt_cht_es8316_intmic_in2_map;
+ num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in2_map);
+ break;
+ }
+ ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
+ if (ret)
+ return ret;
+
+ if (quirk & BYT_CHT_ES8316_SSP0) {
+ custom_map = byt_cht_es8316_ssp0_map;
+ num_routes = ARRAY_SIZE(byt_cht_es8316_ssp0_map);
+ } else {
+ custom_map = byt_cht_es8316_ssp2_map;
+ num_routes = ARRAY_SIZE(byt_cht_es8316_ssp2_map);
+ }
+ ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
+ if (ret)
+ return ret;
+
/*
* The firmware might enable the clock at boot (this information
* may or may not be reflected in the enable clock register).
@@ -105,6 +222,18 @@ static int byt_cht_es8316_init(struct snd_soc_pcm_runtime *runtime)
return ret;
}
+ ret = snd_soc_card_jack_new(card, "Headset",
+ SND_JACK_HEADSET | SND_JACK_BTN_0,
+ &priv->jack, byt_cht_es8316_jack_pins,
+ ARRAY_SIZE(byt_cht_es8316_jack_pins));
+ if (ret) {
+ dev_err(card->dev, "jack creation failed %d\n", ret);
+ return ret;
+ }
+
+ snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+ snd_soc_component_set_jack(codec, &priv->jack, NULL);
+
return 0;
}
@@ -123,14 +252,21 @@ static int byt_cht_es8316_codec_fixup(struct snd_soc_pcm_runtime *rtd,
SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
- int ret;
+ int ret, bits;
/* The DSP will covert the FE rate to 48k, stereo */
rate->min = rate->max = 48000;
channels->min = channels->max = 2;
- /* set SSP2 to 24-bit */
- params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
+ if (quirk & BYT_CHT_ES8316_SSP0) {
+ /* set SSP0 to 16-bit */
+ params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
+ bits = 16;
+ } else {
+ /* set SSP2 to 24-bit */
+ params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
+ bits = 24;
+ }
/*
* Default mode for SSP configuration is TDM 4 slot, override config
@@ -147,7 +283,7 @@ static int byt_cht_es8316_codec_fixup(struct snd_soc_pcm_runtime *rtd,
return ret;
}
- ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
+ ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, bits);
if (ret < 0) {
dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
return ret;
@@ -218,6 +354,59 @@ static struct snd_soc_dai_link byt_cht_es8316_dais[] = {
/* SoC card */
+static char codec_name[SND_ACPI_I2C_ID_LEN];
+static char long_name[50]; /* = "bytcht-es8316-*-spk-*-mic" */
+
+static int byt_cht_es8316_suspend(struct snd_soc_card *card)
+{
+ struct snd_soc_component *component;
+
+ for_each_card_components(card, component) {
+ if (!strcmp(component->name, codec_name)) {
+ dev_dbg(component->dev, "disabling jack detect before suspend\n");
+ snd_soc_component_set_jack(component, NULL, NULL);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int byt_cht_es8316_resume(struct snd_soc_card *card)
+{
+ struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
+ struct snd_soc_component *component;
+
+ for_each_card_components(card, component) {
+ if (!strcmp(component->name, codec_name)) {
+ dev_dbg(component->dev, "re-enabling jack detect after resume\n");
+ snd_soc_component_set_jack(component, &priv->jack, NULL);
+ break;
+ }
+ }
+
+ /*
+ * Some Cherry Trail boards with an ES8316 codec have a bug in their
+ * ACPI tables where the MSSL1680 touchscreen's _PS0 and _PS3 methods
+ * wrongly also set the speaker-enable GPIO to 1/0. Testing has shown
+ * that this really is a bug and the GPIO has no influence on the
+ * touchscreen at all.
+ *
+ * The silead.c touchscreen driver does not support runtime suspend, so
+ * the GPIO can only be changed underneath us during a system suspend.
+ * This resume() function runs from a pm complete() callback, and thus
+ * is guaranteed to run after the touchscreen driver/ACPI-subsys has
+ * brought the touchscreen back up again (and thus changed the GPIO).
+ *
+ * So to work around this we pass GPIOD_FLAGS_BIT_NONEXCLUSIVE when
+ * requesting the GPIO and we set its value here to undo any changes
+ * done by the touchscreen's broken _PS0 ACPI method.
+ */
+ gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
+
+ return 0;
+}
+
static struct snd_soc_card byt_cht_es8316_card = {
.name = "bytcht-es8316",
.owner = THIS_MODULE,
@@ -230,24 +419,40 @@ static struct snd_soc_card byt_cht_es8316_card = {
.controls = byt_cht_es8316_controls,
.num_controls = ARRAY_SIZE(byt_cht_es8316_controls),
.fully_routed = true,
+ .suspend_pre = byt_cht_es8316_suspend,
+ .resume_post = byt_cht_es8316_resume,
};
-static char codec_name[SND_ACPI_I2C_ID_LEN];
+static const struct x86_cpu_id baytrail_cpu_ids[] = {
+ { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT }, /* Valleyview */
+ {}
+};
+
+static const struct acpi_gpio_params first_gpio = { 0, 0, false };
+
+static const struct acpi_gpio_mapping byt_cht_es8316_gpios[] = {
+ { "speaker-enable-gpios", &first_gpio, 1 },
+ { },
+};
static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
{
+ static const char * const mic_name[] = { "in1", "in2" };
struct byt_cht_es8316_private *priv;
+ struct device *dev = &pdev->dev;
struct snd_soc_acpi_mach *mach;
+ const char *platform_name;
const char *i2c_name = NULL;
+ struct device *codec_dev;
int dai_index = 0;
int i;
int ret = 0;
- priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
- mach = (&pdev->dev)->platform_data;
+ mach = dev->platform_data;
/* fix index of codec dai */
for (i = 0; i < ARRAY_SIZE(byt_cht_es8316_dais); i++) {
if (!strcmp(byt_cht_es8316_dais[i].codec_name,
@@ -265,26 +470,94 @@ static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
byt_cht_es8316_dais[dai_index].codec_name = codec_name;
}
- /* register the soc card */
- byt_cht_es8316_card.dev = &pdev->dev;
- snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv);
+ /* override plaform name, if required */
+ platform_name = mach->mach_params.platform;
- priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
+ ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_es8316_card,
+ platform_name);
+ if (ret)
+ return ret;
+
+ /* Check for BYTCR or other platform and setup quirks */
+ if (x86_match_cpu(baytrail_cpu_ids) &&
+ mach->mach_params.acpi_ipc_irq_index == 0) {
+ /* On BYTCR default to SSP0, internal-mic-in2-map, mono-spk */
+ quirk = BYT_CHT_ES8316_SSP0 | BYT_CHT_ES8316_INTMIC_IN2_MAP |
+ BYT_CHT_ES8316_MONO_SPEAKER;
+ } else {
+ /* Others default to internal-mic-in1-map, mono-speaker */
+ quirk = BYT_CHT_ES8316_INTMIC_IN1_MAP |
+ BYT_CHT_ES8316_MONO_SPEAKER;
+ }
+ if (quirk_override != -1) {
+ dev_info(dev, "Overriding quirk 0x%x => 0x%x\n", quirk,
+ quirk_override);
+ quirk = quirk_override;
+ }
+ log_quirks(dev);
+
+ if (quirk & BYT_CHT_ES8316_SSP0)
+ byt_cht_es8316_dais[dai_index].cpu_dai_name = "ssp0-port";
+
+ /* get the clock */
+ priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");
if (IS_ERR(priv->mclk)) {
ret = PTR_ERR(priv->mclk);
- dev_err(&pdev->dev,
- "Failed to get MCLK from pmc_plt_clk_3: %d\n",
- ret);
+ dev_err(dev, "clk_get pmc_plt_clk_3 failed: %d\n", ret);
return ret;
}
- ret = devm_snd_soc_register_card(&pdev->dev, &byt_cht_es8316_card);
+ /* get speaker enable GPIO */
+ codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL, codec_name);
+ if (!codec_dev)
+ return -EPROBE_DEFER;
+
+ devm_acpi_dev_add_driver_gpios(codec_dev, byt_cht_es8316_gpios);
+ priv->speaker_en_gpio =
+ gpiod_get_index(codec_dev, "speaker-enable", 0,
+ /* see comment in byt_cht_es8316_resume */
+ GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE);
+ put_device(codec_dev);
+
+ if (IS_ERR(priv->speaker_en_gpio)) {
+ ret = PTR_ERR(priv->speaker_en_gpio);
+ switch (ret) {
+ case -ENOENT:
+ priv->speaker_en_gpio = NULL;
+ break;
+ default:
+ dev_err(dev, "get speaker GPIO failed: %d\n", ret);
+ /* fall through */
+ case -EPROBE_DEFER:
+ return ret;
+ }
+ }
+
+ /* register the soc card */
+ snprintf(long_name, sizeof(long_name), "bytcht-es8316-%s-spk-%s-mic",
+ (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "mono" : "stereo",
+ mic_name[BYT_CHT_ES8316_MAP(quirk)]);
+ byt_cht_es8316_card.long_name = long_name;
+ byt_cht_es8316_card.dev = dev;
+ snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv);
+
+ ret = devm_snd_soc_register_card(dev, &byt_cht_es8316_card);
if (ret) {
- dev_err(&pdev->dev, "snd_soc_register_card failed %d\n", ret);
+ gpiod_put(priv->speaker_en_gpio);
+ dev_err(dev, "snd_soc_register_card failed: %d\n", ret);
return ret;
}
platform_set_drvdata(pdev, &byt_cht_es8316_card);
- return ret;
+ return 0;
+}
+
+static int snd_byt_cht_es8316_mc_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
+
+ gpiod_put(priv->speaker_en_gpio);
+ return 0;
}
static struct platform_driver snd_byt_cht_es8316_mc_driver = {
@@ -292,6 +565,7 @@ static struct platform_driver snd_byt_cht_es8316_mc_driver = {
.name = "bytcht_es8316",
},
.probe = snd_byt_cht_es8316_mc_probe,
+ .remove = snd_byt_cht_es8316_mc_remove,
};
module_platform_driver(snd_byt_cht_es8316_mc_driver);