From patchwork Wed May 11 16:23:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Cezary Rojewski X-Patchwork-Id: 572103 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 3C782C433F5 for ; Wed, 11 May 2022 16:17:07 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 494B3195A; Wed, 11 May 2022 18:16:15 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 494B3195A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1652285825; bh=BOTZdrWeGv2CSHaC6/gDXLSxOXC6TseCOFKOboxMVY4=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=K5Q/vS0hICRQD+lRsgN+a15bg7ejaFtgli31S7lwrDxD2YFc2RKwMLLOUFwHpmBim adjCO77+mDmj6hqK64EQGNbZFT3MFJw2riZDvvknPr3bbZ7tVZbm0evu9Ne0rj5jrm KKtRPSDPjc8JzoYK8jT5y5Dnt+x8hnVvD8aGdbWw= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 4D883F80534; Wed, 11 May 2022 18:14:58 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id DD23BF8052F; Wed, 11 May 2022 18:14:55 +0200 (CEST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 5BC47F80528 for ; Wed, 11 May 2022 18:14:47 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 5BC47F80528 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="OK4XIcxH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652285690; x=1683821690; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=BOTZdrWeGv2CSHaC6/gDXLSxOXC6TseCOFKOboxMVY4=; b=OK4XIcxHlLPV5gLyPApfYPLwLw+KmXTwIG36bM6ySJttTrioU32Wyk5u SqvomrAF7ULNiy2ZKSd/DrV3ZPlKBIh7CLRkQCAmM4hS6bdz6SiHwWFN2 18WfsUPXvtLgLqUd0uCiVsXX1X9hP1opfqFtgzayoTYmoy9nQ28qxsqp7 fe83f2zlybxrRmitah72aUtHdaFDpeefKrUWAQzYT8k1Xm6Fs17GzGIOt quhol/+u1vDEzHHmQ8ZM1vquI4XQzLYqJabvcTggXACVhYNUgR8zJ1u8T tqCgkr9rYQWSVh8GZLv+xrXXgY5vyzaGCAzWzzLK7nBvP5U2fPmNH488D w==; X-IronPort-AV: E=McAfee;i="6400,9594,10344"; a="269680000" X-IronPort-AV: E=Sophos;i="5.91,217,1647327600"; d="scan'208";a="269680000" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2022 09:14:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,217,1647327600"; d="scan'208";a="594209735" Received: from crojewsk-ctrl.igk.intel.com ([10.102.9.28]) by orsmga008.jf.intel.com with ESMTP; 11 May 2022 09:14:40 -0700 From: Cezary Rojewski To: alsa-devel@alsa-project.org, broonie@kernel.org Subject: [PATCH v2 05/14] ASoC: Intel: avs: Add I2S-test machine board Date: Wed, 11 May 2022 18:23:54 +0200 Message-Id: <20220511162403.3987658-6-cezary.rojewski@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220511162403.3987658-1-cezary.rojewski@intel.com> References: <20220511162403.3987658-1-cezary.rojewski@intel.com> MIME-Version: 1.0 Cc: Cezary Rojewski , upstream@semihalf.com, kai.vehmanen@linux.intel.com, harshapriya.n@intel.com, rad@semihalf.com, pierre-louis.bossart@linux.intel.com, tiwai@suse.com, hdegoede@redhat.com, amadeuszx.slawinski@linux.intel.com, cujomalainey@chromium.org, lma@semihalf.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Allow for testing audio streaming over I2S interface through SSP loopback. No actual codec is needed here as board is intended for SSP loopback scenarios only. One playback and one capture endpoint is exposed per SSP port. Signed-off-by: Amadeusz Sławiński Signed-off-by: Cezary Rojewski --- sound/soc/intel/avs/boards/Kconfig | 6 + sound/soc/intel/avs/boards/Makefile | 2 + sound/soc/intel/avs/boards/i2s_test.c | 180 ++++++++++++++++++++++++++ 3 files changed, 188 insertions(+) create mode 100644 sound/soc/intel/avs/boards/i2s_test.c diff --git a/sound/soc/intel/avs/boards/Kconfig b/sound/soc/intel/avs/boards/Kconfig index 1d4597fa9814..5b89fcb5f07f 100644 --- a/sound/soc/intel/avs/boards/Kconfig +++ b/sound/soc/intel/avs/boards/Kconfig @@ -20,4 +20,10 @@ config SND_SOC_INTEL_AVS_MACH_HDAUDIO Say Y or m if you have such a device. This is a recommended option. If unsure select "N". +config SND_SOC_INTEL_AVS_MACH_I2S_TEST + tristate "I2S test board" + help + This adds support for I2S test-board which can be used to verify + transfer over I2S interface with SSP loopback scenarios. + endmenu diff --git a/sound/soc/intel/avs/boards/Makefile b/sound/soc/intel/avs/boards/Makefile index 2ff35d4d97d8..fa1a279106be 100644 --- a/sound/soc/intel/avs/boards/Makefile +++ b/sound/soc/intel/avs/boards/Makefile @@ -2,6 +2,8 @@ snd-soc-avs-dmic-objs := dmic.o snd-soc-avs-hdaudio-objs := hdaudio.o +snd-soc-avs-i2s-test-objs := i2s_test.o obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_DMIC) += snd-soc-avs-dmic.o obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_HDAUDIO) += snd-soc-avs-hdaudio.o +obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_i2s_TEST) += snd-soc-avs-i2s-test.o diff --git a/sound/soc/intel/avs/boards/i2s_test.c b/sound/soc/intel/avs/boards/i2s_test.c new file mode 100644 index 000000000000..461b651cd331 --- /dev/null +++ b/sound/soc/intel/avs/boards/i2s_test.c @@ -0,0 +1,180 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2021-2022 Intel Corporation. All rights reserved. +// +// Authors: Cezary Rojewski +// Amadeusz Slawinski +// + +#include +#include +#include +#include +#include +#include + +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, "snd-soc-dummy"); + dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, "snd-soc-dummy-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->nonatomic = 1; + dl->no_pcm = 1; + dl->dpcm_capture = 1; + dl->dpcm_playback = 1; + + *dai_link = dl; + + return 0; +} + +static int avs_create_dapm_routes(struct device *dev, int ssp_port, + struct snd_soc_dapm_route **routes, int *num_routes) +{ + struct snd_soc_dapm_route *dr; + const int num_dr = 2; + + dr = devm_kcalloc(dev, num_dr, sizeof(*dr), GFP_KERNEL); + if (!dr) + return -ENOMEM; + + dr[0].sink = devm_kasprintf(dev, GFP_KERNEL, "ssp%dpb", ssp_port); + dr[0].source = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Tx", ssp_port); + if (!dr[0].sink || !dr[0].source) + return -ENOMEM; + + dr[1].sink = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Rx", ssp_port); + dr[1].source = devm_kasprintf(dev, GFP_KERNEL, "ssp%dcp", ssp_port); + if (!dr[1].sink || !dr[1].source) + return -ENOMEM; + + *routes = dr; + *num_routes = num_dr; + + return 0; +} + +static int avs_create_dapm_widgets(struct device *dev, int ssp_port, + struct snd_soc_dapm_widget **widgets, int *num_widgets) +{ + struct snd_soc_dapm_widget *dw; + const int num_dw = 2; + + dw = devm_kcalloc(dev, num_dw, sizeof(*dw), GFP_KERNEL); + if (!dw) + return -ENOMEM; + + dw[0].id = snd_soc_dapm_hp; + dw[0].reg = SND_SOC_NOPM; + dw[0].name = devm_kasprintf(dev, GFP_KERNEL, "ssp%dpb", ssp_port); + if (!dw[0].name) + return -ENOMEM; + + dw[1].id = snd_soc_dapm_mic; + dw[1].reg = SND_SOC_NOPM; + dw[1].name = devm_kasprintf(dev, GFP_KERNEL, "ssp%dcp", ssp_port); + if (!dw[1].name) + return -ENOMEM; + + *widgets = dw; + *num_widgets = num_dw; + + return 0; +} + +static int avs_i2s_test_probe(struct platform_device *pdev) +{ + struct snd_soc_dapm_widget *widgets; + struct snd_soc_dapm_route *routes; + struct snd_soc_dai_link *dai_link; + struct snd_soc_acpi_mach *mach; + struct snd_soc_card *card; + struct device *dev = &pdev->dev; + const char *pname; + int num_routes, num_widgets; + int ssp_port, ret; + + mach = dev_get_platdata(dev); + pname = mach->mach_params.platform; + ssp_port = __ffs(mach->mach_params.i2s_link_mask); + + card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); + if (!card) + return -ENOMEM; + + card->name = devm_kasprintf(dev, GFP_KERNEL, "ssp%ld-loopback", ssp_port); + if (!card->name) + return -ENOMEM; + + ret = avs_create_dai_link(dev, pname, ssp_port, &dai_link); + if (ret) { + dev_err(dev, "Failed to create dai link: %d\n", ret); + return ret; + } + + ret = avs_create_dapm_routes(dev, ssp_port, &routes, &num_routes); + if (ret) { + dev_err(dev, "Failed to create dapm routes: %d\n", ret); + return ret; + } + + ret = avs_create_dapm_widgets(dev, ssp_port, &widgets, &num_widgets); + if (ret) { + dev_err(dev, "Failed to create dapm widgets: %d\n", ret); + return ret; + } + + card->dev = dev; + card->owner = THIS_MODULE; + card->dai_link = dai_link; + card->num_links = 1; + card->dapm_routes = routes; + card->num_dapm_routes = num_routes; + card->dapm_widgets = widgets; + card->num_dapm_widgets = num_widgets; + card->fully_routed = true; + + 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_i2s_test_driver = { + .probe = avs_i2s_test_probe, + .driver = { + .name = "avs_i2s_test", + .pm = &snd_soc_pm_ops, + }, +}; + +module_platform_driver(avs_i2s_test_driver); + +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:avs_i2s_test");