Adds rt1015p codec driver.
Rt1015p is a rt1015 variant.
- It doesn't support I2C.
- It only supports S24, 48kHz, 64FS.
Signed-off-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>
---
sound/soc/codecs/Kconfig | 7 ++
sound/soc/codecs/Makefile | 2 +
sound/soc/codecs/rt1015p.c | 148 +++++++++++++++++++++++++++++++++++++
3 files changed, 157 insertions(+)
create mode 100644 sound/soc/codecs/rt1015p.c
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index e6c71ca0cd9b..1cf686eb6a51 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -155,6 +155,7 @@ config SND_SOC_ALL_CODECS
imply SND_SOC_RT298
imply SND_SOC_RT1011
imply SND_SOC_RT1015
+ imply SND_SOC_RT1015P
imply SND_SOC_RT1305
imply SND_SOC_RT1308
imply SND_SOC_RT5514
@@ -1032,6 +1033,7 @@ config SND_SOC_RL6231
default y if SND_SOC_RT5682=y
default y if SND_SOC_RT1011=y
default y if SND_SOC_RT1015=y
+ default y if SND_SOC_RT1015P=y
default y if SND_SOC_RT1305=y
default y if SND_SOC_RT1308=y
default m if SND_SOC_RT5514=m
@@ -1049,6 +1051,7 @@ config SND_SOC_RL6231
default m if SND_SOC_RT5682=m
default m if SND_SOC_RT1011=m
default m if SND_SOC_RT1015=m
+ default m if SND_SOC_RT1015P=m
default m if SND_SOC_RT1305=m
default m if SND_SOC_RT1308=m
@@ -1081,6 +1084,10 @@ config SND_SOC_RT1015
tristate
depends on I2C
+config SND_SOC_RT1015P
+ tristate
+ depends on GPIOLIB
+
config SND_SOC_RT1305
tristate
depends on I2C
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 9a3f58c1069a..2e5a79b55102 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -159,6 +159,7 @@ snd-soc-rl6231-objs := rl6231.o
snd-soc-rl6347a-objs := rl6347a.o
snd-soc-rt1011-objs := rt1011.o
snd-soc-rt1015-objs := rt1015.o
+snd-soc-rt1015p-objs := rt1015p.o
snd-soc-rt1305-objs := rt1305.o
snd-soc-rt1308-objs := rt1308.o
snd-soc-rt1308-sdw-objs := rt1308-sdw.o
@@ -465,6 +466,7 @@ obj-$(CONFIG_SND_SOC_RL6231) += snd-soc-rl6231.o
obj-$(CONFIG_SND_SOC_RL6347A) += snd-soc-rl6347a.o
obj-$(CONFIG_SND_SOC_RT1011) += snd-soc-rt1011.o
obj-$(CONFIG_SND_SOC_RT1015) += snd-soc-rt1015.o
+obj-$(CONFIG_SND_SOC_RT1015P) += snd-soc-rt1015p.o
obj-$(CONFIG_SND_SOC_RT1305) += snd-soc-rt1305.o
obj-$(CONFIG_SND_SOC_RT1308) += snd-soc-rt1308.o
obj-$(CONFIG_SND_SOC_RT1308_SDW) += snd-soc-rt1308-sdw.o
diff --git a/sound/soc/codecs/rt1015p.c b/sound/soc/codecs/rt1015p.c
new file mode 100644
index 000000000000..59bb60682270
--- /dev/null
+++ b/sound/soc/codecs/rt1015p.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// rt1015p.c -- RT1015P ALSA SoC audio amplifier driver
+//
+// Copyright 2020 The Linux Foundation. All rights reserved.
+
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+#include <sound/soc-dapm.h>
+
+struct rt1015p_priv {
+ struct gpio_desc *sdb;
+ int sdb_switch;
+};
+
+static int rt1015p_daiops_trigger(struct snd_pcm_substream *substream,
+ int cmd, struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt1015p_priv *rt1015p =
+ snd_soc_component_get_drvdata(component);
+
+ if (!rt1015p->sdb)
+ return 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ if (rt1015p->sdb_switch) {
+ gpiod_set_value(rt1015p->sdb, 1);
+ dev_dbg(component->dev, "set sdb to 1");
+ }
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ gpiod_set_value(rt1015p->sdb, 0);
+ dev_dbg(component->dev, "set sdb to 0");
+ break;
+ }
+
+ return 0;
+}
+
+static int rt1015p_sdb_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(w->dapm);
+ struct rt1015p_priv *rt1015p =
+ snd_soc_component_get_drvdata(component);
+
+ if (event & SND_SOC_DAPM_POST_PMU)
+ rt1015p->sdb_switch = 1;
+ else if (event & SND_SOC_DAPM_POST_PMD)
+ rt1015p->sdb_switch = 0;
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget rt1015p_dapm_widgets[] = {
+ SND_SOC_DAPM_OUTPUT("Speaker"),
+ SND_SOC_DAPM_OUT_DRV_E("SDB", SND_SOC_NOPM, 0, 0, NULL, 0,
+ rt1015p_sdb_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+};
+
+static const struct snd_soc_dapm_route rt1015p_dapm_routes[] = {
+ {"SDB", NULL, "HiFi Playback"},
+ {"Speaker", NULL, "SDB"},
+};
+
+static const struct snd_soc_component_driver rt1015p_component_driver = {
+ .dapm_widgets = rt1015p_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rt1015p_dapm_widgets),
+ .dapm_routes = rt1015p_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(rt1015p_dapm_routes),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static const struct snd_soc_dai_ops rt1015p_dai_ops = {
+ .trigger = rt1015p_daiops_trigger,
+};
+
+static struct snd_soc_dai_driver rt1015p_dai_driver = {
+ .name = "HiFi",
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .formats = SNDRV_PCM_FMTBIT_S24,
+ .rates = SNDRV_PCM_RATE_48000,
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .ops = &rt1015p_dai_ops,
+};
+
+static int rt1015p_platform_probe(struct platform_device *pdev)
+{
+ struct rt1015p_priv *rt1015p;
+
+ rt1015p = devm_kzalloc(&pdev->dev, sizeof(*rt1015p), GFP_KERNEL);
+ if (!rt1015p)
+ return -ENOMEM;
+
+ rt1015p->sdb = devm_gpiod_get_optional(&pdev->dev,
+ "sdb", GPIOD_OUT_LOW);
+ if (IS_ERR(rt1015p->sdb))
+ return PTR_ERR(rt1015p->sdb);
+
+ dev_set_drvdata(&pdev->dev, rt1015p);
+
+ return devm_snd_soc_register_component(&pdev->dev,
+ &rt1015p_component_driver,
+ &rt1015p_dai_driver, 1);
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id rt1015p_device_id[] = {
+ { .compatible = "realtek,rt1015p" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, rt1015p_device_id);
+#endif
+
+static struct platform_driver rt1015p_platform_driver = {
+ .driver = {
+ .name = "rt1015p",
+ .of_match_table = of_match_ptr(rt1015p_device_id),
+ },
+ .probe = rt1015p_platform_probe,
+};
+module_platform_driver(rt1015p_platform_driver);
+
+MODULE_DESCRIPTION("ASoC RT1015P driver");
+MODULE_LICENSE("GPL v2");
--
2.28.0.526.ge36021eeef-goog
