From patchwork Mon Jun 5 12:09:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: YingKun Meng X-Patchwork-Id: 689786 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 95120C77B73 for ; Mon, 5 Jun 2023 13:57:26 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 7393785D; Mon, 5 Jun 2023 15:56:29 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 7393785D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1685973439; bh=bqRIfvlx11MyhQ6O4N4SIv/cvez6moMVT0Ew++zRVW4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=hPTPxL7DE9FlTiAJx+8aSbovjlhfjkSqFsQVi3GnP0yhnRkXKRPbN3TOp96ia5OuI ZcXf5UI5g8RsoeE02pkemPx9EB4QUPVo6RChrnMtIo4KRSqhViLzFjBf+PB+w6a/m5 Tbcip10FNQ4KXChgToatgQaX1AsgaEFVI7gsC0GM= Received: by alsa1.perex.cz (Postfix, from userid 50401) id B9932F80199; Mon, 5 Jun 2023 15:55:18 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id B91F9F80520; Mon, 5 Jun 2023 15:55:17 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 5ADCBF80290; Mon, 5 Jun 2023 14:10:01 +0200 (CEST) Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by alsa1.perex.cz (Postfix) with ESMTP id D8E7AF8016C for ; Mon, 5 Jun 2023 14:09:44 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D8E7AF8016C Received: from loongson.cn (unknown [10.180.13.124]) by gateway (Coremail) with SMTP id _____8AxhfCE0H1k8xMAAA--.171S3; Mon, 05 Jun 2023 20:09:40 +0800 (CST) Received: from localhost.localdomain (unknown [10.180.13.124]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxauWC0H1k_3AAAA--.2032S5; Mon, 05 Jun 2023 20:09:40 +0800 (CST) From: YingKun Meng To: lgirdwood@gmail.com, broonie@kernel.org Cc: alsa-devel@alsa-project.org, loongarch@lists.linux.dev, loongson-kernel@lists.loongnix.cn, Yingkun Meng Subject: [PATCH 2/3] ASoC: loongson: Add Loongson Generic ASoC Sound Card Support Date: Mon, 5 Jun 2023 20:09:33 +0800 Message-Id: <20230605120934.2306548-2-mengyingkun@loongson.cn> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20230605120934.2306548-1-mengyingkun@loongson.cn> References: <20230605120934.2306548-1-mengyingkun@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8AxauWC0H1k_3AAAA--.2032S5 X-CM-SenderInfo: 5phqw55lqjy33q6o00pqjv00gofq/1tbiAQANDGR8fwASxAAQsh X-Coremail-Antispam: 1Uk129KBj93XoW3Ww1DCr4DJw47ur1UXF4rXrc_yoW3AF43pa n3Zay5KrWrXF4fAwn5XrW8AF13C34fuFnrXa17Jw1xKrZrA3s5WwnrGF1UZF4fAr98KFWU XFZ5CFW8GF98G3XCm3ZEXasCq-sJn29KB7ZKAUJUUUU5529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUk0b4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1l84ACjcxK6I8E87Iv67AKxVWxJVW8Jr1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6r4j6r4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07AIYIkI8VC2zVCFFI0UMc 02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUAVWUtwAv7VC2z280aVAF wI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JMxAIw28IcxkI7V AKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCj r7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6x IIjxv20xvE14v26r1I6r4UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAI w20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x 0267AKxVWUJVW8JbIYCTnIWIevJa73UjIFyTuYvjxUwMKuUUUUU X-MailFrom: mengyingkun@loongson.cn X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1 Message-ID-Hash: LPYT5DSSIYUOTON22FMEB6NIZ3ZOQC2T X-Message-ID-Hash: LPYT5DSSIYUOTON22FMEB6NIZ3ZOQC2T X-Mailman-Approved-At: Mon, 05 Jun 2023 13:55:12 +0000 X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Yingkun Meng The Loongson Generic ASoC Sound Card is a general ASoC DAI Link driver that can be used for Loongson CPU DAI drivers and external CODECs. The driver supports the use of ACPI table to describe device resources. On loongson 7axxx platforms, the audio device is an ACPI device. Signed-off-by: Yingkun Meng --- sound/soc/loongson/Kconfig | 10 ++ sound/soc/loongson/Makefile | 4 + sound/soc/loongson/loongson_card.c | 201 +++++++++++++++++++++++++++++ 3 files changed, 215 insertions(+) create mode 100644 sound/soc/loongson/loongson_card.c diff --git a/sound/soc/loongson/Kconfig b/sound/soc/loongson/Kconfig index fd477e7da6e0..da471ba3b2de 100644 --- a/sound/soc/loongson/Kconfig +++ b/sound/soc/loongson/Kconfig @@ -12,4 +12,14 @@ config SND_SOC_LOONGSON_I2S_PCI The controller is found in loongson bridge chips or SoCs, and work as a PCI device. +config SND_SOC_LOONGSON_CARD + tristate "Loongson Sound Card Driver" + select SND_SOC_LOONGSON_I2S_PCI + help + Say Y or M if you want to add support for SoC audio using + loongson I2S controller. + + The driver add support for ALSA SoC Audio support using + loongson I2S controller. + endmenu diff --git a/sound/soc/loongson/Makefile b/sound/soc/loongson/Makefile index cfd0de1b1b22..a173a0fe17fe 100644 --- a/sound/soc/loongson/Makefile +++ b/sound/soc/loongson/Makefile @@ -2,3 +2,7 @@ #Platform Support snd-soc-loongson-i2s-pci-objs := loongson_i2s_pci.o loongson_i2s.o obj-$(CONFIG_SND_SOC_LOONGSON_I2S_PCI) += snd-soc-loongson-i2s-pci.o + +#Machine Support +snd-soc-loongson-card-objs := loongson_card.o +obj-$(CONFIG_SND_SOC_LOONGSON_CARD) += snd-soc-loongson-card.o diff --git a/sound/soc/loongson/loongson_card.c b/sound/soc/loongson/loongson_card.c new file mode 100644 index 000000000000..bedf799bd7f2 --- /dev/null +++ b/sound/soc/loongson/loongson_card.c @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Loongson ASoC Audio driver + * + * Copyright (C) 2022 Loongson Technology Corporation Limited + */ + +#include +#include +#include +#include +#include +#include + +struct loongson_card_data { + struct snd_soc_card snd_card; + unsigned int mclk_fs; +}; + +static int loongson_card_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + struct loongson_card_data *ls_card = snd_soc_card_get_drvdata(rtd->card); + int ret, mclk; + + if (ls_card->mclk_fs) { + mclk = ls_card->mclk_fs * params_rate(params); + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, + SND_SOC_CLOCK_OUT); + if (ret < 0) { + dev_err(codec_dai->dev, "cpu_dai clock not set\n"); + return ret; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, + SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(codec_dai->dev, "codec_dai clock not set\n"); + return ret; + } + } + return 0; +} + +static const struct snd_soc_ops loongson_ops = { + .hw_params = loongson_card_hw_params, +}; + +SND_SOC_DAILINK_DEFS(analog, + DAILINK_COMP_ARRAY(COMP_CPU("loongson-i2s")), + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_PLATFORM("loongson-i2s"))); + +static struct snd_soc_dai_link loongson_dai_links[] = { + { + .name = "HiFi PAIF TX", + .stream_name = "Playback", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_IB_NF + | SND_SOC_DAIFMT_CBC_CFC, + SND_SOC_DAILINK_REG(analog), + .ops = &loongson_ops, + }, + { + .name = "HiFi PAIF RX", + .stream_name = "Capture", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_IB_NF + | SND_SOC_DAIFMT_CBC_CFC, + SND_SOC_DAILINK_REG(analog), + .ops = &loongson_ops, + }, +}; + +static int loongson_card_parse_of(struct loongson_card_data *data) +{ + const char *cpu_dai_name, *codec_dai_name; + struct device_node *cpu, *codec; + struct snd_soc_card *card = &data->snd_card; + struct device *dev = card->dev; + struct of_phandle_args args; + int ret, i; + + 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"); + ret = -EINVAL; + goto err; + } + + ret = of_parse_phandle_with_args(cpu, "sound-dai", + "#sound-dai-cells", 0, &args); + if (ret) { + dev_err(dev, "codec node missing #sound-dai-cells\n"); + goto err; + } + for (i = 0; i < card->num_links; i++) + loongson_dai_links[i].cpus->of_node = args.np; + + ret = of_parse_phandle_with_args(codec, "sound-dai", + "#sound-dai-cells", 0, &args); + if (ret) { + dev_err(dev, "codec node missing #sound-dai-cells\n"); + goto err; + } + for (i = 0; i < card->num_links; i++) + loongson_dai_links[i].codecs->of_node = args.np; + + snd_soc_of_get_dai_name(cpu, &cpu_dai_name); + snd_soc_of_get_dai_name(codec, &codec_dai_name); + for (i = 0; i < card->num_links; i++) { + loongson_dai_links[i].cpus->dai_name = cpu_dai_name; + loongson_dai_links[i].codecs->dai_name = codec_dai_name; + } + of_node_put(cpu); + of_node_put(codec); + + return 0; + +err: + of_node_put(cpu); + of_node_put(codec); + return ret; +} + +static int loongson_asoc_card_probe(struct platform_device *pdev) +{ + struct loongson_card_data *ls_priv; + struct snd_soc_card *card; + const char *codec_name, *codec_dai_name; + int ret, i; + + ls_priv = devm_kzalloc(&pdev->dev, sizeof(*ls_priv), GFP_KERNEL); + if (!ls_priv) + return -ENOMEM; + + card = &ls_priv->snd_card; + + card->dev = &pdev->dev; + card->owner = THIS_MODULE; + card->dai_link = loongson_dai_links; + card->num_links = ARRAY_SIZE(loongson_dai_links); + snd_soc_card_set_drvdata(card, ls_priv); + + ret = device_property_read_string(&pdev->dev, "model", &card->name); + if (ret) { + dev_err(&pdev->dev, "Error parsing card name: %d\n", ret); + return ret; + } + ret = device_property_read_u32(&pdev->dev, "mclk-fs", &ls_priv->mclk_fs); + if (ret) { + dev_err(&pdev->dev, "Error parsing mclk-fs: %d\n", ret); + return ret; + } + + if (has_acpi_companion(&pdev->dev)) { + device_property_read_string(&pdev->dev, "codec-name", + &codec_name); + for (i = 0; i < card->num_links; i++) + loongson_dai_links[i].codecs->name = codec_name; + + device_property_read_string(&pdev->dev, "codec-dai-name", + &codec_dai_name); + for (i = 0; i < card->num_links; i++) + loongson_dai_links[i].codecs->dai_name = codec_dai_name; + } else { + ret = loongson_card_parse_of(ls_priv); + if (ret) + return ret; + } + + ret = devm_snd_soc_register_card(&pdev->dev, card); + + return ret; +} + +static const struct of_device_id loongson_asoc_dt_ids[] = { + { .compatible = "loongson,ls-audio-card" }, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, loongson_asoc_dt_ids); + +static struct platform_driver loongson_audio_driver = { + .probe = loongson_asoc_card_probe, + .driver = { + .name = "loongson-asoc-card", + .pm = &snd_soc_pm_ops, + .of_match_table = of_match_ptr(loongson_asoc_dt_ids), + }, +}; +module_platform_driver(loongson_audio_driver); + +MODULE_DESCRIPTION("Loongson ASoc Sound Card driver"); +MODULE_AUTHOR("Loongson Technology Corporation Limited"); +MODULE_LICENSE("GPL");