From patchwork Wed Sep 14 05:16:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hui Wang X-Patchwork-Id: 1677649 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=canonical.com header.i=@canonical.com header.a=rsa-sha256 header.s=20210705 header.b=JOyAGUw6; dkim-atps=neutral Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4MS7rx4tpgz1ync for ; Wed, 14 Sep 2022 15:18:09 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1oYKme-0001Ww-Ec; Wed, 14 Sep 2022 05:18:00 +0000 Received: from smtp-relay-canonical-0.internal ([10.131.114.83] helo=smtp-relay-canonical-0.canonical.com) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1oYKm4-0008U3-Gs for kernel-team@lists.ubuntu.com; Wed, 14 Sep 2022 05:17:24 +0000 Received: from localhost.localdomain (unknown [124.160.154.11]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-0.canonical.com (Postfix) with ESMTPSA id A0A023F10C for ; Wed, 14 Sep 2022 05:17:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1663132640; bh=U66XtEe+LHxWEVDD9F+l2M3hI6NKP7Fr9kpuVyDdQXg=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=JOyAGUw6bwy9o3o7z5JMMJoiislPS3iIhRGaFEWxjGsAEfBUDoShHEX78C1DO6tYs 9GyjYWSqPDONpsewPdzK7OVM2JkkpHP/3PhBtAiEf49gjmVJ8xSOD0rGjd63oqD5cE 2GW8OBT+UP3t2dbuegloYYQeqqSF7nwERGPk3sGP9KkiIgWQiyNaNilP6h4E5M10B5 MKbpj16IiDaaIn8fyGRf2DXMJy3m8Tx4qoldXMWo/MDa6Ugsgfz0MdChtCffWFdzJh PK2LsNXlkq+QWul4of4mdcJn9JldWOqXUr+vBuRVMGd1HgBZAqyaTJmnR6+B2gqSvZ 5EoSfL9MfXWGQ== From: Hui Wang To: kernel-team@lists.ubuntu.com Subject: [SRU][Kinetic][PATCH 05/14] ASoC: amd: add acp6.2 pdm platform driver Date: Wed, 14 Sep 2022 13:16:24 +0800 Message-Id: <20220914051633.20418-20-hui.wang@canonical.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220914051633.20418-1-hui.wang@canonical.com> References: <20220914051633.20418-1-hui.wang@canonical.com> MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" From: Syed Saba Kareem BugLink: https://bugs.launchpad.net/bugs/1989518 PDM platform driver binds to the platform device created by ACP6.2 PCI device. PDM driver registers ALSA DMA and CPU DAI components with ASoC framework. Signed-off-by: Syed Saba Kareem Reviewed-by: Vijendar Mukunda Link: https://lore.kernel.org/r/20220827165657.2343818-6-Syed.SabaKareem@amd.com Signed-off-by: Mark Brown (cherry picked from commit 33cea6bbe48896bcaa03f030f5b52e05de68bccd linux-next) Signed-off-by: Hui Wang --- sound/soc/amd/ps/acp62.h | 5 +++ sound/soc/amd/ps/ps-pdm-dma.c | 82 +++++++++++++++++++++++++++++++++++ 2 files changed, 87 insertions(+) create mode 100644 sound/soc/amd/ps/ps-pdm-dma.c diff --git a/sound/soc/amd/ps/acp62.h b/sound/soc/amd/ps/acp62.h index 507cdf8f501d..1f117f62465a 100644 --- a/sound/soc/amd/ps/acp62.h +++ b/sound/soc/amd/ps/acp62.h @@ -44,6 +44,11 @@ enum acp_config { ACP_CONFIG_15, }; +struct pdm_dev_data { + void __iomem *acp62_base; + struct snd_pcm_substream *capture_stream; +}; + static inline u32 acp62_readl(void __iomem *base_addr) { return readl(base_addr); diff --git a/sound/soc/amd/ps/ps-pdm-dma.c b/sound/soc/amd/ps/ps-pdm-dma.c new file mode 100644 index 000000000000..964686b46097 --- /dev/null +++ b/sound/soc/amd/ps/ps-pdm-dma.c @@ -0,0 +1,82 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * AMD ALSA SoC Pink Sardine PDM Driver + * + * Copyright 2022 Advanced Micro Devices, Inc. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "acp62.h" + +#define DRV_NAME "acp_ps_pdm_dma" + +static struct snd_soc_dai_driver acp62_pdm_dai_driver = { + .name = "acp_ps_pdm_dma.0", + .capture = { + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S32_LE, + .channels_min = 2, + .channels_max = 2, + .rate_min = 48000, + .rate_max = 48000, + }, +}; + +static const struct snd_soc_component_driver acp62_pdm_component = { + .name = DRV_NAME, +}; + +static int acp62_pdm_audio_probe(struct platform_device *pdev) +{ + struct resource *res; + struct pdm_dev_data *adata; + int status; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n"); + return -ENODEV; + } + + adata = devm_kzalloc(&pdev->dev, sizeof(*adata), GFP_KERNEL); + if (!adata) + return -ENOMEM; + + adata->acp62_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!adata->acp62_base) + return -ENOMEM; + + adata->capture_stream = NULL; + + dev_set_drvdata(&pdev->dev, adata); + status = devm_snd_soc_register_component(&pdev->dev, + &acp62_pdm_component, + &acp62_pdm_dai_driver, 1); + if (status) { + dev_err(&pdev->dev, "Fail to register acp pdm dai\n"); + + return -ENODEV; + } + return 0; +} + +static struct platform_driver acp62_pdm_dma_driver = { + .probe = acp62_pdm_audio_probe, + .driver = { + .name = "acp_ps_pdm_dma", + }, +}; + +module_platform_driver(acp62_pdm_dma_driver); + +MODULE_AUTHOR("Syed.SabaKareem@amd.com"); +MODULE_DESCRIPTION("AMD PINK SARDINE PDM Driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME);