From: Uday M Bhat uday.m.bhat@intel.com
Helper functions added to support CS42l42 soundwire codec. Build configuration is updated to include this codec.
Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Signed-off-by: Bard Liao yung-chuan.liao@linux.intel.com Signed-off-by: Yong Zhi yong.zhi@intel.com Signed-off-by: Uday M Bhat uday.m.bhat@intel.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- 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; +}