diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig index dd58525b7079..fdc954028d62 100644 --- a/sound/soc/tegra/Kconfig +++ b/sound/soc/tegra/Kconfig @@ -229,6 +229,16 @@ config SND_SOC_TEGRA_WM8903 boards using the WM8093 codec. Currently, the supported boards are Harmony, Ventana, Seaboard, Kaen, and Aebl. +config SND_SOC_TEGRA_WM8962 + tristate "SoC Audio support for Tegra boards using a WM8962 codec" + depends on I2C && INPUT && GPIOLIB + select SND_SOC_TEGRA_MACHINE_DRV + select SND_SOC_WM8962 + help + Say Y or M here if you want to add support for SoC audio on Tegra + boards using the WM8962 codec. Currently, the supported boards are + Microsoft Surface RT. + config SND_SOC_TEGRA_WM9712 tristate "SoC Audio support for Tegra boards using a WM9712 codec" depends on GPIOLIB diff --git a/sound/soc/tegra/Makefile b/sound/soc/tegra/Makefile index defea7f53f11..3f396c87802e 100644 --- a/sound/soc/tegra/Makefile +++ b/sound/soc/tegra/Makefile @@ -43,9 +43,11 @@ obj-$(CONFIG_SND_SOC_TEGRA210_OPE) += snd-soc-tegra210-ope.o # Tegra machine Support snd-soc-tegra-wm8903-y := tegra_wm8903.o +snd-soc-tegra-wm8962-y := tegra_wm8962.o snd-soc-tegra-machine-y := tegra_asoc_machine.o snd-soc-tegra-audio-graph-card-y := tegra_audio_graph_card.o obj-$(CONFIG_SND_SOC_TEGRA_WM8903) += snd-soc-tegra-wm8903.o +obj-$(CONFIG_SND_SOC_TEGRA_WM8962) += snd-soc-tegra-wm8962.o obj-$(CONFIG_SND_SOC_TEGRA_MACHINE_DRV) += snd-soc-tegra-machine.o obj-$(CONFIG_SND_SOC_TEGRA_AUDIO_GRAPH_CARD) += snd-soc-tegra-audio-graph-card.o diff --git a/sound/soc/tegra/tegra_wm8962.c b/sound/soc/tegra/tegra_wm8962.c new file mode 100644 index 000000000000..31f9d9181595 --- /dev/null +++ b/sound/soc/tegra/tegra_wm8962.c @@ -0,0 +1,165 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * tegra_wm8962.c - Tegra machine ASoC driver for boards using WM8962 codec. + * + * Copyright (C) 2021-2024 Jonas Schwöbel + * Svyatoslav Ryhel + * + * Based on tegra_wm8903 code copyright/by: + * + * Author: Stephen Warren + * Copyright (C) 2010-2012 - NVIDIA, Inc. + * + * Based on code copyright/by: + * + * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd. + * + * Copyright 2007 Wolfson Microelectronics PLC. + * Author: Graeme Gregory + * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com + */ + +#include +#include +#include +#include + +#include +#include +#include + +#include "../codecs/wm8962.h" + +#include "tegra_asoc_machine.h" + +static struct snd_soc_jack_pin tegra_wm8962_mic_jack_pins[] = { + { .pin = "Mic Jack", .mask = SND_JACK_MICROPHONE }, +}; + +static unsigned int tegra_wm8962_mclk_rate(unsigned int srate) +{ + unsigned int mclk; + + switch (srate) { + case 8000: + case 16000: + case 24000: + case 32000: + case 48000: + case 64000: + case 96000: + mclk = 12288000; + break; + case 11025: + case 22050: + case 44100: + case 88200: + mclk = 11289600; + break; + default: + mclk = 12000000; + break; + } + + return mclk; +} + +static int tegra_wm8962_init(struct snd_soc_pcm_runtime *rtd) +{ + struct tegra_machine *machine = snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_card *card = rtd->card; + struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card); + int err; + + err = tegra_asoc_machine_init(rtd); + if (err) + return err; + + if (!machine->gpiod_mic_det && machine->asoc->add_mic_jack) { + struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); + struct snd_soc_component *component = codec_dai->component; + + err = snd_soc_card_jack_new_pins(rtd->card, "Mic Jack", + SND_JACK_MICROPHONE, + machine->mic_jack, + tegra_wm8962_mic_jack_pins, + ARRAY_SIZE(tegra_wm8962_mic_jack_pins)); + if (err) { + dev_err(rtd->dev, "Mic Jack creation failed: %d\n", err); + return err; + } + + wm8962_mic_detect(component, machine->mic_jack); + } + + snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); + + return 0; +} + +static int tegra_wm8962_remove(struct snd_soc_card *card) +{ + struct snd_soc_dai_link *link = &card->dai_link[0]; + struct snd_soc_pcm_runtime *rtd = snd_soc_get_pcm_runtime(card, link); + struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); + struct snd_soc_component *component = codec_dai->component; + + wm8962_mic_detect(component, NULL); + + return 0; +} + +SND_SOC_DAILINK_DEFS(wm8962_hifi, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8962")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +static struct snd_soc_dai_link tegra_wm8962_dai = { + .name = "WM8962", + .stream_name = "WM8962 PCM", + .init = tegra_wm8962_init, + .dai_fmt = SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBC_CFC, + SND_SOC_DAILINK_REG(wm8962_hifi), +}; + +static struct snd_soc_card snd_soc_tegra_wm8962 = { + .components = "codec:wm8962", + .owner = THIS_MODULE, + .dai_link = &tegra_wm8962_dai, + .num_links = 1, + .remove = tegra_wm8962_remove, + .fully_routed = true, +}; + +static const struct tegra_asoc_data tegra_wm8962_data = { + .mclk_rate = tegra_wm8962_mclk_rate, + .card = &snd_soc_tegra_wm8962, + .add_common_dapm_widgets = true, + .add_common_controls = true, + .add_common_snd_ops = true, + .add_mic_jack = true, + .add_hp_jack = true, +}; + +static const struct of_device_id tegra_wm8962_of_match[] = { + { .compatible = "nvidia,tegra-audio-wm8962", .data = &tegra_wm8962_data }, + {}, +}; +MODULE_DEVICE_TABLE(of, tegra_wm8962_of_match); + +static struct platform_driver tegra_wm8962_driver = { + .driver = { + .name = "tegra-wm8962", + .of_match_table = tegra_wm8962_of_match, + .pm = &snd_soc_pm_ops, + }, + .probe = tegra_asoc_machine_probe, +}; +module_platform_driver(tegra_wm8962_driver); + +MODULE_AUTHOR("Jonas Schwöbel "); +MODULE_AUTHOR("Svyatoslav Ryhel "); +MODULE_DESCRIPTION("Tegra+WM8962 machine ASoC driver"); +MODULE_LICENSE("GPL");