diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/intel/avs/boards/es8336.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/intel/avs/boards/es8336.c')
-rw-r--r-- | sound/soc/intel/avs/boards/es8336.c | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/sound/soc/intel/avs/boards/es8336.c b/sound/soc/intel/avs/boards/es8336.c new file mode 100644 index 0000000000..0a023f871d --- /dev/null +++ b/sound/soc/intel/avs/boards/es8336.c @@ -0,0 +1,315 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2023 Intel Corporation. All rights reserved. +// +// Authors: Cezary Rojewski <cezary.rojewski@intel.com> +// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> +// + +#include <linux/device.h> +#include <linux/gpio/consumer.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/processor.h> +#include <linux/slab.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-acpi.h> +#include <asm/intel-family.h> + +#define ES8336_CODEC_DAI "ES8316 HiFi" + +struct avs_card_drvdata { + struct snd_soc_jack jack; + struct gpio_desc *gpiod; +}; + +static const struct acpi_gpio_params enable_gpio = { 0, 0, true }; + +static const struct acpi_gpio_mapping speaker_gpios[] = { + { "speaker-enable-gpios", &enable_gpio, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO }, + { } +}; + +static int avs_es8336_speaker_power_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_card *card = w->dapm->card; + struct avs_card_drvdata *data; + bool speaker_en; + + data = snd_soc_card_get_drvdata(card); + /* As enable_gpio has active_low=true, logic is inverted. */ + speaker_en = !SND_SOC_DAPM_EVENT_ON(event); + + gpiod_set_value_cansleep(data->gpiod, speaker_en); + return 0; +} + +static const struct snd_soc_dapm_widget card_widgets[] = { + SND_SOC_DAPM_SPK("Speaker", NULL), + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_MIC("Internal Mic", NULL), + + SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0, + avs_es8336_speaker_power_event, + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), +}; + +static const struct snd_soc_dapm_route card_routes[] = { + {"Headphone", NULL, "HPOL"}, + {"Headphone", NULL, "HPOR"}, + + /* + * There is no separate speaker output instead the speakers are muxed to + * the HP outputs. The mux is controlled by the "Speaker Power" widget. + */ + {"Speaker", NULL, "HPOL"}, + {"Speaker", NULL, "HPOR"}, + {"Speaker", NULL, "Speaker Power"}, + + /* Mic route map */ + {"MIC1", NULL, "Internal Mic"}, + {"MIC2", NULL, "Headset Mic"}, +}; + +static const struct snd_kcontrol_new card_controls[] = { + SOC_DAPM_PIN_SWITCH("Speaker"), + SOC_DAPM_PIN_SWITCH("Headphone"), + SOC_DAPM_PIN_SWITCH("Headset Mic"), + SOC_DAPM_PIN_SWITCH("Internal Mic"), +}; + +static struct snd_soc_jack_pin card_headset_pins[] = { + { + .pin = "Headphone", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, +}; + +static int avs_es8336_codec_init(struct snd_soc_pcm_runtime *runtime) +{ + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, 0); + struct snd_soc_component *component = codec_dai->component; + struct snd_soc_card *card = runtime->card; + struct snd_soc_jack_pin *pins; + struct avs_card_drvdata *data; + struct gpio_desc *gpiod; + int num_pins, ret; + + data = snd_soc_card_get_drvdata(card); + num_pins = ARRAY_SIZE(card_headset_pins); + + pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL); + if (!pins) + return -ENOMEM; + + ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0, + &data->jack, pins, num_pins); + if (ret) + return ret; + + ret = devm_acpi_dev_add_driver_gpios(codec_dai->dev, speaker_gpios); + if (ret) + dev_warn(codec_dai->dev, "Unable to add GPIO mapping table\n"); + + gpiod = gpiod_get_optional(codec_dai->dev, "speaker-enable", GPIOD_OUT_LOW); + if (IS_ERR(gpiod)) + return dev_err_probe(codec_dai->dev, PTR_ERR(gpiod), "Get gpiod failed: %ld\n", + PTR_ERR(gpiod)); + + data->gpiod = gpiod; + snd_jack_set_key(data->jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); + snd_soc_component_set_jack(component, &data->jack, NULL); + + card->dapm.idle_bias_off = true; + + return 0; +} + +static void avs_es8336_codec_exit(struct snd_soc_pcm_runtime *runtime) +{ + struct avs_card_drvdata *data = snd_soc_card_get_drvdata(runtime->card); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, 0); + + snd_soc_component_set_jack(codec_dai->component, NULL, NULL); + gpiod_put(data->gpiod); +} + +static int avs_es8336_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *runtime = asoc_substream_to_rtd(substream); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, 0); + int clk_freq; + int ret; + + switch (boot_cpu_data.x86_model) { + case INTEL_FAM6_KABYLAKE_L: + case INTEL_FAM6_KABYLAKE: + clk_freq = 24000000; + break; + default: + clk_freq = 19200000; + break; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, 1, clk_freq, SND_SOC_CLOCK_OUT); + if (ret < 0) + dev_err(runtime->dev, "Set codec sysclk failed: %d\n", ret); + + return ret; +} + +static const struct snd_soc_ops avs_es8336_ops = { + .hw_params = avs_es8336_hw_params, +}; + +static int avs_es8336_be_fixup(struct snd_soc_pcm_runtime *runtime, + struct snd_pcm_hw_params *params) +{ + struct snd_interval *rate, *channels; + struct snd_mask *fmt; + + rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); + + /* The ADSP will convert the FE rate to 48k, stereo */ + rate->min = rate->max = 48000; + channels->min = channels->max = 2; + + /* set SSPN to 24 bit */ + snd_mask_none(fmt); + snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_3LE); + + return 0; +} +static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port, + struct snd_soc_dai_link **dai_link) +{ + struct snd_soc_dai_link_component *platform; + struct snd_soc_dai_link *dl; + + dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL); + platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL); + if (!dl || !platform) + return -ENOMEM; + + platform->name = platform_name; + + dl->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_port); + dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL); + dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL); + if (!dl->name || !dl->cpus || !dl->codecs) + return -ENOMEM; + + dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_port); + dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-ESSX8336:00"); + dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, ES8336_CODEC_DAI); + if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name) + return -ENOMEM; + + dl->num_cpus = 1; + dl->num_codecs = 1; + dl->platforms = platform; + dl->num_platforms = 1; + dl->id = 0; + dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC; + dl->init = avs_es8336_codec_init; + dl->exit = avs_es8336_codec_exit; + dl->be_hw_params_fixup = avs_es8336_be_fixup; + dl->ops = &avs_es8336_ops; + dl->nonatomic = 1; + dl->no_pcm = 1; + dl->dpcm_capture = 1; + dl->dpcm_playback = 1; + + *dai_link = dl; + + return 0; +} + +static int avs_card_suspend_pre(struct snd_soc_card *card) +{ + struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, ES8336_CODEC_DAI); + + return snd_soc_component_set_jack(codec_dai->component, NULL, NULL); +} + +static int avs_card_resume_post(struct snd_soc_card *card) +{ + struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, ES8336_CODEC_DAI); + struct avs_card_drvdata *data = snd_soc_card_get_drvdata(card); + + return snd_soc_component_set_jack(codec_dai->component, &data->jack, NULL); +} + +static int avs_es8336_probe(struct platform_device *pdev) +{ + struct snd_soc_dai_link *dai_link; + struct snd_soc_acpi_mach *mach; + struct avs_card_drvdata *data; + struct snd_soc_card *card; + struct device *dev = &pdev->dev; + const char *pname; + int ssp_port, ret; + + mach = dev_get_platdata(dev); + pname = mach->mach_params.platform; + ssp_port = __ffs(mach->mach_params.i2s_link_mask); + + ret = avs_create_dai_link(dev, pname, ssp_port, &dai_link); + if (ret) { + dev_err(dev, "Failed to create dai link: %d", ret); + return ret; + } + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); + if (!data || !card) + return -ENOMEM; + + card->name = "avs_es8336"; + card->dev = dev; + card->owner = THIS_MODULE; + card->suspend_pre = avs_card_suspend_pre; + card->resume_post = avs_card_resume_post; + card->dai_link = dai_link; + card->num_links = 1; + card->controls = card_controls; + card->num_controls = ARRAY_SIZE(card_controls); + card->dapm_widgets = card_widgets; + card->num_dapm_widgets = ARRAY_SIZE(card_widgets); + card->dapm_routes = card_routes; + card->num_dapm_routes = ARRAY_SIZE(card_routes); + card->fully_routed = true; + snd_soc_card_set_drvdata(card, data); + + ret = snd_soc_fixup_dai_links_platform_name(card, pname); + if (ret) + return ret; + + return devm_snd_soc_register_card(dev, card); +} + +static struct platform_driver avs_es8336_driver = { + .probe = avs_es8336_probe, + .driver = { + .name = "avs_es8336", + .pm = &snd_soc_pm_ops, + }, +}; + +module_platform_driver(avs_es8336_driver); + +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:avs_es8336"); |