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Message-ID: <20211224150058.2444776-1-vsujithkumar.reddy@amd.com>
Date: Fri, 24 Dec 2021 20:30:43 +0530
From: V sujith kumar Reddy <vsujithkumar.reddy@....com>
To: <broonie@...nel.org>, <alsa-devel@...a-project.org>
CC: <Vijendar.Mukunda@....com>, <Alexander.Deucher@....com>,
<Basavaraj.Hiregoudar@....com>, <Sunil-kumar.Dommati@....com>,
<ajitkumar.pandey@....com>,
V sujith kumar Reddy <vsujithkumar.reddy@....com>,
Liam Girdwood <lgirdwood@...il.com>,
"Jaroslav Kysela" <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
Ajit Kumar Pandey <AjitKumar.Pandey@....com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Arnd Bergmann <arnd@...db.de>,
open list <linux-kernel@...r.kernel.org>
Subject: [PATCH] ASoC: amd: acp: Power on/off the speaker enable gpio pin based on DAPM callback.
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@....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 --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,
--
2.25.1
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