diff mbox series

ASoC: amd: acp: Power on/off the speaker enable gpio pin based on DAPM callback.

Message ID 20211224150058.2444776-1-vsujithkumar.reddy@amd.com (mailing list archive)
State New, archived
Headers show
Series ASoC: amd: acp: Power on/off the speaker enable gpio pin based on DAPM callback. | expand

Commit Message

V sujith kumar Reddy Dec. 24, 2021, 3 p.m. UTC 
Configure the speaker gpio pin based on power sequence of the DAPM
speaker events.
Enable speaker after widget power up and Disable before widget  powerdown.

Signed-off-by: V sujith kumar Reddy <vsujithkumar.reddy@amd.com>
---
 sound/soc/amd/acp/Kconfig           |  6 +++---
 sound/soc/amd/acp/acp-legacy-mach.c | 19 ++++++++++++++++---
 sound/soc/amd/acp/acp-mach-common.c | 25 +++++++++++++++++++++++++
 sound/soc/amd/acp/acp-mach.h        | 10 +++++++++-
 sound/soc/amd/acp/acp-sof-mach.c    | 21 ++++++++++++++++++---
 5 files changed, 71 insertions(+), 10 deletions(-)
diff mbox series

Patch

diff --git a/sound/soc/amd/acp/Kconfig b/sound/soc/amd/acp/Kconfig
index 154be5e70821..d5838df3064b 100644
--- a/sound/soc/amd/acp/Kconfig
+++ b/sound/soc/amd/acp/Kconfig
@@ -32,7 +32,7 @@  config SND_AMD_ASOC_RENOIR
 
 config SND_SOC_AMD_MACH_COMMON
 	tristate
-	depends on X86 && PCI && I2C
+	depends on X86 && PCI && I2C && GPIOLIB
 	select CLK_FIXED_FCH
 	select SND_SOC_RT5682_I2C
 	select SND_SOC_DMIC
@@ -44,14 +44,14 @@  config SND_SOC_AMD_MACH_COMMON
 
 config SND_SOC_AMD_LEGACY_MACH
 	tristate "AMD Legacy Machine Driver Support"
-	depends on X86 && PCI && I2C
+	depends on X86 && PCI && I2C && GPIOLIB
 	select SND_SOC_AMD_MACH_COMMON
 	help
 	  This option enables legacy sound card support for ACP audio.
 
 config SND_SOC_AMD_SOF_MACH
 	tristate "AMD SOF Machine Driver Support"
-	depends on X86 && PCI && I2C
+	depends on X86 && PCI && I2C && GPIOLIB
 	select SND_SOC_AMD_MACH_COMMON
 	help
 	  This option enables SOF sound card support for ACP audio.
diff --git a/sound/soc/amd/acp/acp-legacy-mach.c b/sound/soc/amd/acp/acp-legacy-mach.c
index de0f8024e2fb..0ad1cf41b308 100644
--- a/sound/soc/amd/acp/acp-legacy-mach.c
+++ b/sound/soc/amd/acp/acp-legacy-mach.c
@@ -27,6 +27,7 @@  static struct acp_card_drvdata rt5682_rt1019_data = {
 	.hs_codec_id = RT5682,
 	.amp_codec_id = RT1019,
 	.dmic_codec_id = NONE,
+	.gpio_spkr_en = EN_SPKR_GPIO_GB,
 };
 
 static const struct snd_kcontrol_new acp_controls[] = {
@@ -41,15 +42,16 @@  static const struct snd_kcontrol_new acp_controls[] = {
 static const struct snd_soc_dapm_widget acp_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
-	SND_SOC_DAPM_SPK("Spk", NULL),
-	SND_SOC_DAPM_SPK("Left Spk", NULL),
-	SND_SOC_DAPM_SPK("Right Spk", NULL),
+	SND_SOC_DAPM_SPK("Spk", event_spkr_handler),
+	SND_SOC_DAPM_SPK("Left Spk", event_spkr_handler),
+	SND_SOC_DAPM_SPK("Right Spk", event_spkr_handler),
 };
 
 static int acp_asoc_probe(struct platform_device *pdev)
 {
 	struct snd_soc_card *card = NULL;
 	struct device *dev = &pdev->dev;
+	unsigned int spkr_gpio;
 	int ret;
 
 	if (!pdev->id_entry)
@@ -67,9 +69,20 @@  static int acp_asoc_probe(struct platform_device *pdev)
 	card->controls = acp_controls;
 	card->num_controls = ARRAY_SIZE(acp_controls);
 	card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data;
+	spkr_gpio = ((struct acp_card_drvdata *)(card->drvdata))->gpio_spkr_en;
 
 	acp_legacy_dai_links_create(card);
 
+	if (gpio_is_valid(spkr_gpio)) {
+		ret = devm_gpio_request(dev, spkr_gpio, "spkren");
+		if (ret) {
+			dev_err(dev, "(%s) gpio request failed: %d\n",
+				__func__, ret);
+			return ret;
+		}
+		gpio_direction_output(spkr_gpio, 0);
+	}
+
 	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		dev_err(&pdev->dev,
diff --git a/sound/soc/amd/acp/acp-mach-common.c b/sound/soc/amd/acp/acp-mach-common.c
index 7785f12aa006..03d8d1af14b3 100644
--- a/sound/soc/amd/acp/acp-mach-common.c
+++ b/sound/soc/amd/acp/acp-mach-common.c
@@ -71,6 +71,31 @@  static const struct snd_soc_dapm_route rt5682_map[] = {
 	{ "IN1P", NULL, "Headset Mic" },
 };
 
+int event_spkr_handler(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 acp_card_drvdata *drvdata = snd_soc_card_get_drvdata(card);
+
+	if (!gpio_is_valid(drvdata->gpio_spkr_en))
+		return 0;
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		gpio_set_value(drvdata->gpio_spkr_en, 1);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		gpio_set_value(drvdata->gpio_spkr_en, 0);
+		break;
+	default:
+		dev_warn(card->dev, "%s invalid setting\n", __func__);
+		break;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(event_spkr_handler, SND_SOC_AMD_MACH);
+
 /* Define card ops for RT5682 CODEC */
 static int acp_card_rt5682_init(struct snd_soc_pcm_runtime *rtd)
 {
diff --git a/sound/soc/amd/acp/acp-mach.h b/sound/soc/amd/acp/acp-mach.h
index 5dc47cfbff10..fd6299844ebe 100644
--- a/sound/soc/amd/acp/acp-mach.h
+++ b/sound/soc/amd/acp/acp-mach.h
@@ -17,6 +17,12 @@ 
 #include <linux/input.h>
 #include <linux/module.h>
 #include <sound/soc.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
+
+#define EN_SPKR_GPIO_GB                0x11F
+#define EN_SPKR_GPIO_NK                0x146
+#define EN_SPKR_GPIO_NONE      -EINVAL
 
 enum be_id {
 	HEADSET_BE_ID = 0,
@@ -49,9 +55,11 @@  struct acp_card_drvdata {
 	unsigned int dai_fmt;
 	struct clk *wclk;
 	struct clk *bclk;
+	unsigned int gpio_spkr_en;
 };
 
 int acp_sofdsp_dai_links_create(struct snd_soc_card *card);
 int acp_legacy_dai_links_create(struct snd_soc_card *card);
-
+int event_spkr_handler(struct snd_soc_dapm_widget *w,
+			struct snd_kcontrol *k, int event);
 #endif
diff --git a/sound/soc/amd/acp/acp-sof-mach.c b/sound/soc/amd/acp/acp-sof-mach.c
index 854eb7214cea..07de46142655 100644
--- a/sound/soc/amd/acp/acp-sof-mach.c
+++ b/sound/soc/amd/acp/acp-sof-mach.c
@@ -27,6 +27,7 @@  static struct acp_card_drvdata sof_rt5682_rt1019_data = {
 	.hs_codec_id = RT5682,
 	.amp_codec_id = RT1019,
 	.dmic_codec_id = DMIC,
+	.gpio_spkr_en = EN_SPKR_GPIO_GB,
 };
 
 static struct acp_card_drvdata sof_rt5682_max_data = {
@@ -36,6 +37,7 @@  static struct acp_card_drvdata sof_rt5682_max_data = {
 	.hs_codec_id = RT5682,
 	.amp_codec_id = MAX98360A,
 	.dmic_codec_id = DMIC,
+	.gpio_spkr_en = EN_SPKR_GPIO_NK,
 };
 
 static struct acp_card_drvdata sof_rt5682s_max_data = {
@@ -45,6 +47,7 @@  static struct acp_card_drvdata sof_rt5682s_max_data = {
 	.hs_codec_id = RT5682S,
 	.amp_codec_id = MAX98360A,
 	.dmic_codec_id = DMIC,
+	.gpio_spkr_en = EN_SPKR_GPIO_NK,
 };
 
 static const struct snd_kcontrol_new acp_controls[] = {
@@ -58,15 +61,16 @@  static const struct snd_kcontrol_new acp_controls[] = {
 static const struct snd_soc_dapm_widget acp_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
-	SND_SOC_DAPM_SPK("Spk", NULL),
-	SND_SOC_DAPM_SPK("Left Spk", NULL),
-	SND_SOC_DAPM_SPK("Right Spk", NULL),
+	SND_SOC_DAPM_SPK("Spk", event_spkr_handler),
+	SND_SOC_DAPM_SPK("Left Spk", event_spkr_handler),
+	SND_SOC_DAPM_SPK("Right Spk", event_spkr_handler),
 };
 
 static int acp_sof_probe(struct platform_device *pdev)
 {
 	struct snd_soc_card *card = NULL;
 	struct device *dev = &pdev->dev;
+	unsigned int spkr_gpio;
 	int ret;
 
 	if (!pdev->id_entry)
@@ -84,9 +88,20 @@  static int acp_sof_probe(struct platform_device *pdev)
 	card->controls = acp_controls;
 	card->num_controls = ARRAY_SIZE(acp_controls);
 	card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data;
+	spkr_gpio = ((struct acp_card_drvdata *)(card->drvdata))->gpio_spkr_en;
 
 	acp_sofdsp_dai_links_create(card);
 
+	if (gpio_is_valid(spkr_gpio)) {
+		ret = devm_gpio_request(dev, spkr_gpio, "spkren");
+		if (ret) {
+			dev_err(dev, "(%s) gpio request failed: %d\n",
+				__func__, ret);
+			return ret;
+		}
+		gpio_direction_output(spkr_gpio, 0);
+	}
+
 	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		dev_err(&pdev->dev,