| // 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> |
| #include "../utils.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 = snd_soc_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 = snd_soc_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 = snd_soc_substream_to_rtd(substream); |
| struct snd_soc_dai *codec_dai = snd_soc_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, |
| int tdm_slot, 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, |
| AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot)); |
| 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, |
| AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot)); |
| 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, tdm_slot, ret; |
| |
| mach = dev_get_platdata(dev); |
| pname = mach->mach_params.platform; |
| |
| ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot); |
| if (ret) |
| return ret; |
| |
| ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &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 const struct platform_device_id avs_es8336_driver_ids[] = { |
| { |
| .name = "avs_es8336", |
| }, |
| {}, |
| }; |
| MODULE_DEVICE_TABLE(platform, avs_es8336_driver_ids); |
| |
| static struct platform_driver avs_es8336_driver = { |
| .probe = avs_es8336_probe, |
| .driver = { |
| .name = "avs_es8336", |
| .pm = &snd_soc_pm_ops, |
| }, |
| .id_table = avs_es8336_driver_ids, |
| }; |
| |
| module_platform_driver(avs_es8336_driver); |
| |
| MODULE_DESCRIPTION("Intel es8336 machine driver"); |
| MODULE_LICENSE("GPL"); |