diff --git a/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml b/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml index 61e8babed402..dc7f4afbb777 100644 --- a/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml +++ b/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml @@ -8,19 +8,22 @@ title: Loongson 7axxx/2kxxx ASoC audio sound card driver maintainers: - Yingkun Meng + - Binbin Zhou description: The binding describes the sound card present in loongson 7axxx/2kxxx platform. The sound card is an ASoC component which uses Loongson I2S controller to transfer the audio data. +allOf: + - $ref: sound-card-common.yaml# + properties: compatible: - const: loongson,ls-audio-card - - model: - $ref: /schemas/types.yaml#/definitions/string - description: User specified audio sound card name + enum: + - loongson,ls-audio-card # Loongson-2K1000/Loongson-2K2000/LS7A + - loongson,ls2k0300-forever-pi-audio-card # CTCISZ Forever Pi + - loongson,ls2k0300-dl2k0300b-audio-card # ATK-DL2K0300B mclk-fs: $ref: simple-card.yaml#/definitions/mclk-fs @@ -45,14 +48,25 @@ properties: required: - sound-dai + spkr-en-gpios: + maxItems: 1 + description: The GPIO that enables the speakers + + hp-ctl-gpios: + maxItems: 1 + description: The GPIO that control the headphones + + hp-det-gpios: + maxItems: 1 + description: The GPIO that detect headphones are plugged in + required: - compatible - - model - mclk-fs - cpu - codec -additionalProperties: false +unevaluatedProperties: false examples: - | @@ -68,3 +82,28 @@ examples: sound-dai = <&es8323>; }; }; + + - | + #include + + sound { + compatible = "loongson,ls2k0300-dl2k0300b-audio-card"; + model = "loongson-audio"; + mclk-fs = <512>; + hp-det-gpios = <&gpio 81 GPIO_ACTIVE_HIGH>; + spkr-en-gpios = <&gpio 86 GPIO_ACTIVE_HIGH>; + hp-ctl-gpios = <&gpio 87 GPIO_ACTIVE_HIGH>; + audio-routing = + "Headphone", "LOUT1", + "Headphone", "ROUT1", + "Speaker", "LOUT2", + "Speaker", "ROUT2"; + + cpu { + sound-dai = <&i2s>; + }; + + codec { + sound-dai = <&es8388>; + }; + }; diff --git a/Documentation/devicetree/bindings/sound/loongson,ls2k1000-i2s.yaml b/Documentation/devicetree/bindings/sound/loongson,ls2k1000-i2s.yaml index da79510bb2d9..51e23c189f7a 100644 --- a/Documentation/devicetree/bindings/sound/loongson,ls2k1000-i2s.yaml +++ b/Documentation/devicetree/bindings/sound/loongson,ls2k1000-i2s.yaml @@ -14,9 +14,12 @@ allOf: properties: compatible: - const: loongson,ls2k1000-i2s + enum: + - loongson,ls2k0300-i2s + - loongson,ls2k1000-i2s reg: + minItems: 1 items: - description: Loongson I2S controller Registers. - description: APB DMA config register for Loongson I2S controller. @@ -49,6 +52,23 @@ required: unevaluatedProperties: false +if: + properties: + compatible: + contains: + enum: + - loongson,ls2k1000-i2s + +then: + properties: + reg: + minItems: 2 + +else: + properties: + reg: + maxItems: 1 + examples: - | #include diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c index 9838fe42cb6f..aaa6646ad4c5 100644 --- a/sound/soc/codecs/es8328.c +++ b/sound/soc/codecs/es8328.c @@ -405,6 +405,11 @@ static const struct snd_soc_dapm_route es8328_dapm_routes[] = { { "Mic Bias", NULL, "Mic Bias Gen" }, + { "LINPUT1", NULL, "Mic Bias" }, + { "RINPUT1", NULL, "Mic Bias" }, + { "LINPUT2", NULL, "Mic Bias" }, + { "RINPUT2", NULL, "Mic Bias" }, + { "Left Mixer", NULL, "Left DAC" }, { "Left Mixer", "Left Bypass Switch", "Left Line Mux" }, { "Left Mixer", "Right Playback Switch", "Right DAC" }, diff --git a/sound/soc/loongson/loongson_card.c b/sound/soc/loongson/loongson_card.c index 7910d5d9ac4f..25cd12eab4b1 100644 --- a/sound/soc/loongson/loongson_card.c +++ b/sound/soc/loongson/loongson_card.c @@ -2,24 +2,131 @@ // // Loongson ASoC Audio Machine driver // -// Copyright (C) 2023 Loongson Technology Corporation Limited +// Copyright (C) 2023-2026 Loongson Technology Corporation Limited // Author: Yingkun Meng +// Binbin Zhou // +#include +#include #include +#include +#include +#include #include #include -#include -#include -#include static char codec_name[SND_ACPI_I2C_ID_LEN]; struct loongson_card_data { struct snd_soc_card snd_card; unsigned int mclk_fs; + struct gpio_desc *gpiod_hp_det; + struct gpio_desc *gpiod_hp_ctl; + struct gpio_desc *gpiod_spkr_en; + const struct loongson_card_config *cfg; }; +struct loongson_card_config { + unsigned int fmt; + bool add_hp_jack; + bool add_dapm_widgets; + bool add_dapm_routes; +}; + +static const struct loongson_card_config ls2k1000_card_config = { + .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBC_CFC, + .add_hp_jack = false, + .add_dapm_widgets = false, + .add_dapm_routes = false, +}; + +static const struct loongson_card_config ls2k0300_forever_pi_card_config = { + .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC, + .add_hp_jack = false, + .add_dapm_widgets = false, + .add_dapm_routes = false, +}; + +static const struct loongson_card_config ls2k0300_dl2k0300b_card_config = { + .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC, + .add_hp_jack = true, + .add_dapm_widgets = true, + .add_dapm_routes = true, +}; + +static int tegra_machine_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct snd_soc_card *card = snd_soc_dapm_to_card(w->dapm); + struct loongson_card_data *priv = snd_soc_card_get_drvdata(card); + + if (!snd_soc_dapm_widget_name_cmp(w, "Speaker")) + gpiod_set_value_cansleep(priv->gpiod_spkr_en, + SND_SOC_DAPM_EVENT_ON(event)); + + if (!snd_soc_dapm_widget_name_cmp(w, "Headphone")) + gpiod_set_value_cansleep(priv->gpiod_hp_ctl, + SND_SOC_DAPM_EVENT_ON(event)); + + return 0; +} + +static const struct snd_soc_dapm_widget loongson_aosc_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone", tegra_machine_event), + SND_SOC_DAPM_SPK("Speaker", tegra_machine_event), +}; + +/* Headphones Jack */ + +static struct snd_soc_jack loongson_asoc_hp_jack; + +static struct snd_soc_jack_pin loongson_asoc_hp_jack_pins[] = { + { + .pin = "Headphone", + .mask = SND_JACK_HEADPHONE + }, + { + .pin = "Speaker", + .mask = SND_JACK_HEADPHONE, + .invert = 1 + }, +}; + +static struct snd_soc_jack_gpio loongson_asoc_hp_jack_gpio = { + .name = "Headphones detection", + .report = SND_JACK_HEADPHONE, + .debounce_time = 150, +}; + +static int loongson_asoc_machine_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct loongson_card_data *ls_priv = snd_soc_card_get_drvdata(card); + int ret = 0; + + if (!ls_priv->cfg->add_hp_jack || !ls_priv->gpiod_hp_det) + return 0; + + ret = snd_soc_card_jack_new_pins(card, "Headphones Jack", + SND_JACK_HEADPHONE, + &loongson_asoc_hp_jack, + loongson_asoc_hp_jack_pins, + ARRAY_SIZE(loongson_asoc_hp_jack_pins)); + if (ret) { + dev_err(rtd->dev, "Headphones Jack creation failed: %d\n", ret); + return ret; + } + + loongson_asoc_hp_jack_gpio.desc = ls_priv->gpiod_hp_det; + + ret = snd_soc_jack_add_gpios(&loongson_asoc_hp_jack, 1, &loongson_asoc_hp_jack_gpio); + if (ret) + dev_err(rtd->dev, "Headphone GPIO not added: %d\n", ret); + + return ret; +} + static int loongson_card_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -45,7 +152,7 @@ static int loongson_card_hw_params(struct snd_pcm_substream *substream, return ret; } - return 0; + return snd_soc_runtime_set_dai_fmt(rtd, ls_card->cfg->fmt); } static const struct snd_soc_ops loongson_ops = { @@ -61,8 +168,7 @@ static struct snd_soc_dai_link loongson_dai_links[] = { { .name = "Loongson Audio Port", .stream_name = "Loongson Audio", - .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_IB_NF - | SND_SOC_DAIFMT_CBC_CFC, + .init = loongson_asoc_machine_init, SND_SOC_DAILINK_REG(analog), .ops = &loongson_ops, }, @@ -91,7 +197,7 @@ static int loongson_card_parse_acpi(struct loongson_card_data *data) const char *codec_dai_name; struct acpi_device *adev; struct device *phy_dev; - int i; + int i, ret; /* fixup platform name based on reference node */ adev = loongson_card_acpi_find_device(card, "cpu"); @@ -108,7 +214,9 @@ static int loongson_card_parse_acpi(struct loongson_card_data *data) return -ENOENT; snprintf(codec_name, sizeof(codec_name), "i2c-%s", acpi_dev_name(adev)); - device_property_read_string(card->dev, "codec-dai-name", &codec_dai_name); + ret = device_property_read_string(card->dev, "codec-dai-name", &codec_dai_name); + if (ret) + return ret; for (i = 0; i < card->num_links; i++) { loongson_dai_links[i].platforms->name = dev_name(phy_dev); @@ -121,16 +229,35 @@ static int loongson_card_parse_acpi(struct loongson_card_data *data) static int loongson_card_parse_of(struct loongson_card_data *data) { - struct device_node *cpu, *codec; struct snd_soc_card *card = &data->snd_card; + struct device_node *cpu, *codec; struct device *dev = card->dev; int ret, i; + data->gpiod_hp_det = devm_gpiod_get_optional(dev, "hp-det", GPIOD_IN); + if (IS_ERR(data->gpiod_hp_det)) + return PTR_ERR(data->gpiod_hp_det); + + data->gpiod_hp_ctl = devm_gpiod_get_optional(dev, "hp-ctl", GPIOD_OUT_LOW); + if (IS_ERR(data->gpiod_hp_ctl)) + return PTR_ERR(data->gpiod_hp_ctl); + + data->gpiod_spkr_en = devm_gpiod_get_optional(dev, "spkr-en", GPIOD_OUT_LOW); + if (IS_ERR(data->gpiod_spkr_en)) + return PTR_ERR(data->gpiod_spkr_en); + + if (data->cfg->add_dapm_routes) { + ret = snd_soc_of_parse_audio_routing(card, "audio-routing"); + if (ret) + return ret; + } + cpu = of_get_child_by_name(dev->of_node, "cpu"); if (!cpu) { dev_err(dev, "platform property missing or invalid\n"); return -EINVAL; } + codec = of_get_child_by_name(dev->of_node, "codec"); if (!codec) { dev_err(dev, "audio-codec property missing or invalid\n"); @@ -175,12 +302,22 @@ static int loongson_asoc_card_probe(struct platform_device *pdev) if (!ls_priv) return -ENOMEM; + ls_priv->cfg = (const struct loongson_card_config *)device_get_match_data(dev); + if (!ls_priv->cfg) + return -EINVAL; + card = &ls_priv->snd_card; card->dev = dev; card->owner = THIS_MODULE; card->dai_link = loongson_dai_links; card->num_links = ARRAY_SIZE(loongson_dai_links); + + if (ls_priv->cfg->add_dapm_widgets) { + card->dapm_widgets = loongson_aosc_dapm_widgets; + card->num_dapm_widgets = ARRAY_SIZE(loongson_aosc_dapm_widgets); + } + snd_soc_card_set_drvdata(card, ls_priv); ret = device_property_read_string(dev, "model", &card->name); @@ -200,7 +337,19 @@ static int loongson_asoc_card_probe(struct platform_device *pdev) } static const struct of_device_id loongson_asoc_dt_ids[] = { - { .compatible = "loongson,ls-audio-card" }, + /* Loongson-2K1000/Loongson-2K2000/LS7A */ + { + .compatible = "loongson,ls-audio-card", + .data = &ls2k1000_card_config + }, + { + .compatible = "loongson,ls2k0300-forever-pi-audio-card", + .data = &ls2k0300_forever_pi_card_config + }, + { + .compatible = "loongson,ls2k0300-dl2k0300b-audio-card", + .data = &ls2k0300_dl2k0300b_card_config + }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, loongson_asoc_dt_ids); diff --git a/sound/soc/loongson/loongson_i2s_plat.c b/sound/soc/loongson/loongson_i2s_plat.c index ac054b6ce632..82d95c6644ef 100644 --- a/sound/soc/loongson/loongson_i2s_plat.c +++ b/sound/soc/loongson/loongson_i2s_plat.c @@ -2,7 +2,7 @@ // // Loongson I2S controller master mode dirver(platform device) // -// Copyright (C) 2023-2024 Loongson Technology Corporation Limited +// Copyright (C) 2023-2026 Loongson Technology Corporation Limited // // Author: Yingkun Meng // Binbin Zhou @@ -21,6 +21,7 @@ #include "loongson_i2s.h" #include "loongson_dma.h" +/* Loongson-2K1000 APBDMA routing */ #define LOONGSON_I2S_RX_DMA_OFFSET 21 #define LOONGSON_I2S_TX_DMA_OFFSET 18 @@ -30,6 +31,11 @@ #define LOONGSON_DMA3_CONF 0x3 #define LOONGSON_DMA4_CONF 0x4 +struct loongson_i2s_plat_config { + int rev_id; + int (*i2s_dma_config)(struct platform_device *pdev); +}; + static int loongson_i2s_apbdma_config(struct platform_device *pdev) { int val; @@ -47,8 +53,18 @@ static int loongson_i2s_apbdma_config(struct platform_device *pdev) return 0; } +static const struct loongson_i2s_plat_config ls2k0300_i2s_plat_config = { + .rev_id = 1, +}; + +static const struct loongson_i2s_plat_config ls2k1000_i2s_plat_config = { + .rev_id = 0, + .i2s_dma_config = loongson_i2s_apbdma_config, +}; + static int loongson_i2s_plat_probe(struct platform_device *pdev) { + const struct loongson_i2s_plat_config *plat_config; struct device *dev = &pdev->dev; struct loongson_i2s *i2s; struct resource *res; @@ -59,12 +75,17 @@ static int loongson_i2s_plat_probe(struct platform_device *pdev) if (!i2s) return -ENOMEM; - ret = loongson_i2s_apbdma_config(pdev); - if (ret) - return ret; + plat_config = device_get_match_data(dev); + if (!plat_config) + return -EINVAL; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - i2s->reg_base = devm_ioremap_resource(&pdev->dev, res); + if (plat_config->i2s_dma_config) { + ret = plat_config->i2s_dma_config(pdev); + if (ret) + return ret; + } + + i2s->reg_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(i2s->reg_base)) return dev_err_probe(dev, PTR_ERR(i2s->reg_base), "devm_ioremap_resource failed\n"); @@ -87,11 +108,17 @@ static int loongson_i2s_plat_probe(struct platform_device *pdev) if (IS_ERR(i2s_clk)) return dev_err_probe(dev, PTR_ERR(i2s_clk), "clock property invalid\n"); i2s->clk_rate = clk_get_rate(i2s_clk); + i2s->rev_id = plat_config->rev_id; dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); dev_set_name(dev, LS_I2S_DRVNAME); dev_set_drvdata(dev, i2s); + if (i2s->rev_id == 1) { + regmap_update_bits(i2s->regmap, LS_I2S_CTRL, I2S_CTRL_RESET, I2S_CTRL_RESET); + fsleep(200); + } + ret = devm_snd_soc_register_component(dev, &loongson_i2s_edma_component, &loongson_i2s_dai, 1); if (ret) @@ -102,7 +129,8 @@ static int loongson_i2s_plat_probe(struct platform_device *pdev) } static const struct of_device_id loongson_i2s_ids[] = { - { .compatible = "loongson,ls2k1000-i2s" }, + { .compatible = "loongson,ls2k0300-i2s", .data = &ls2k0300_i2s_plat_config }, + { .compatible = "loongson,ls2k1000-i2s", .data = &ls2k1000_i2s_plat_config }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, loongson_i2s_ids);