From: Uday M Bhat <uday.m.bhat@xxxxxxxxx>
Helper functions added to support CS42l42 soundwire codec.
Build configuration is updated to include this codec.
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Signed-off-by: Yong Zhi <yong.zhi@xxxxxxxxx>
Signed-off-by: Uday M Bhat <uday.m.bhat@xxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
sound/soc/intel/boards/Kconfig | 1 +
sound/soc/intel/boards/Makefile | 1 +
sound/soc/intel/boards/sof_sdw.c | 13 +++
sound/soc/intel/boards/sof_sdw_common.h | 7 ++
sound/soc/intel/boards/sof_sdw_cs42l42.c | 131 +++++++++++++++++++++++
5 files changed, 153 insertions(+)
create mode 100644 sound/soc/intel/boards/sof_sdw_cs42l42.c
diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig
index 3f9fa1c78675..799a51f23b84 100644
--- a/sound/soc/intel/boards/Kconfig
+++ b/sound/soc/intel/boards/Kconfig
@@ -676,6 +676,7 @@ config SND_SOC_INTEL_SOUNDWIRE_SOF_MACH
select SND_SOC_RT715_SDW
select SND_SOC_RT715_SDCA_SDW
select SND_SOC_RT5682_SDW
+ select SND_SOC_CS42L42_SDW
select SND_SOC_DMIC
select SND_SOC_INTEL_HDA_DSP_COMMON
select SND_SOC_INTEL_SOF_MAXIM_COMMON
diff --git a/sound/soc/intel/boards/Makefile b/sound/soc/intel/boards/Makefile
index 50f0191076e3..2de930b1ef31 100644
--- a/sound/soc/intel/boards/Makefile
+++ b/sound/soc/intel/boards/Makefile
@@ -42,6 +42,7 @@ snd-soc-sof-sdw-objs += sof_sdw.o \
sof_sdw_rt711.o sof_sdw_rt_sdca_jack_common.o \
sof_sdw_rt712_sdca.o sof_sdw_rt715.o \
sof_sdw_rt715_sdca.o sof_sdw_dmic.o \
+ sof_sdw_cs42l42.o \
sof_sdw_hdmi.o
obj-$(CONFIG_SND_SOC_INTEL_SOF_RT5682_MACH) += snd-soc-sof_rt5682.o
obj-$(CONFIG_SND_SOC_INTEL_SOF_CS42L42_MACH) += snd-soc-sof_cs42l42.o
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index 50e672caccb3..60ce8100e1dc 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -823,6 +823,19 @@ static struct sof_sdw_codec_info codec_info_list[] = {
},
.dai_num = 1,
},
+ {
+ .part_id = 0x4242,
+ .dais = {
+ {
+ .direction = {true, true},
+ .dai_name = "cs42l42-sdw",
+ .dai_type = SOF_SDW_DAI_TYPE_JACK,
+ .dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
+ .init = sof_sdw_cs42l42_init,
+ },
+ },
+ .dai_num = 1,
+ },
{
.part_id = 0xaaaa, /* generic codec mockup */
.version_id = 0,
diff --git a/sound/soc/intel/boards/sof_sdw_common.h b/sound/soc/intel/boards/sof_sdw_common.h
index 0d7b1be3a2d0..f98d1ded5b1a 100644
--- a/sound/soc/intel/boards/sof_sdw_common.h
+++ b/sound/soc/intel/boards/sof_sdw_common.h
@@ -196,4 +196,11 @@ int sof_sdw_rt5682_init(struct snd_soc_card *card,
struct sof_sdw_codec_info *info,
bool playback);
+/* CS42L42 support */
+int sof_sdw_cs42l42_init(struct snd_soc_card *card,
+ const struct snd_soc_acpi_link_adr *link,
+ struct snd_soc_dai_link *dai_links,
+ struct sof_sdw_codec_info *info,
+ bool playback);
+
#endif
diff --git a/sound/soc/intel/boards/sof_sdw_cs42l42.c b/sound/soc/intel/boards/sof_sdw_cs42l42.c
new file mode 100644
index 000000000000..c4a16e4c9f69
--- /dev/null
+++ b/sound/soc/intel/boards/sof_sdw_cs42l42.c
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (c) 2023 Intel Corporation
+
+/*
+ * sof_sdw_cs42l42 - Helpers to handle CS42L42 from generic machine driver
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/input.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
+#include <sound/control.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include <sound/soc-dapm.h>
+#include <sound/jack.h>
+#include "sof_sdw_common.h"
+
+static const struct snd_soc_dapm_widget cs42l42_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route cs42l42_map[] = {
+ /* HP jack connectors - unknown if we have jack detection */
+ {"Headphone", NULL, "cs42l42 HP"},
+
+ /* other jacks */
+ {"cs42l42 HS", NULL, "Headset Mic"},
+};
+
+static const struct snd_kcontrol_new cs42l42_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphone"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+};
+
+static struct snd_soc_jack_pin cs42l42_jack_pins[] = {
+ {
+ .pin = "Headphone",
+ .mask = SND_JACK_HEADPHONE,
+ },
+ {
+ .pin = "Headset Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
+};
+
+static int cs42l42_rtd_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_card *card = rtd->card;
+ struct mc_private *ctx = snd_soc_card_get_drvdata(card);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+ struct snd_soc_component *component = codec_dai->component;
+ struct snd_soc_jack *jack;
+ int ret;
+
+ card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+ "%s hs:cs42l42",
+ card->components);
+ if (!card->components)
+ return -ENOMEM;
+
+ ret = snd_soc_add_card_controls(card, cs42l42_controls,
+ ARRAY_SIZE(cs42l42_controls));
+ if (ret) {
+ dev_err(card->dev, "cs42l42 control addition failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dapm_new_controls(&card->dapm, cs42l42_widgets,
+ ARRAY_SIZE(cs42l42_widgets));
+ if (ret) {
+ dev_err(card->dev, "cs42l42 widgets addition failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dapm_add_routes(&card->dapm, cs42l42_map,
+ ARRAY_SIZE(cs42l42_map));
+
+ if (ret) {
+ dev_err(card->dev, "cs42l42 map addition failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
+ SND_JACK_HEADSET | SND_JACK_BTN_0 |
+ SND_JACK_BTN_1 | SND_JACK_BTN_2 |
+ SND_JACK_BTN_3,
+ &ctx->sdw_headset,
+ cs42l42_jack_pins,
+ ARRAY_SIZE(cs42l42_jack_pins));
+ if (ret) {
+ dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
+ ret);
+ return ret;
+ }
+
+ jack = &ctx->sdw_headset;
+
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
+
+ ret = snd_soc_component_set_jack(component, jack, NULL);
+
+ if (ret)
+ dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
+ ret);
+
+ return ret;
+}
+
+int sof_sdw_cs42l42_init(struct snd_soc_card *card,
+ const struct snd_soc_acpi_link_adr *link,
+ struct snd_soc_dai_link *dai_links,
+ struct sof_sdw_codec_info *info,
+ bool playback)
+{
+ /*
+ * headset should be initialized once.
+ * Do it with dai link for playback.
+ */
+ if (!playback)
+ return 0;
+
+ dai_links->init = cs42l42_rtd_init;
+
+ return 0;
+}
--
2.37.2
