From patchwork Wed Sep 14 05:16:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hui Wang X-Patchwork-Id: 1677646 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=G51dwlhh; 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 4MS7rb1vX5z1ync for ; Wed, 14 Sep 2022 15:17:51 +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 1oYKmH-0000eK-Vp; Wed, 14 Sep 2022 05:17:38 +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 1oYKlw-0008I4-02 for kernel-team@lists.ubuntu.com; Wed, 14 Sep 2022 05:17:16 +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 AE0703F9F4 for ; Wed, 14 Sep 2022 05:17:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1663132634; bh=8/hCxtRhIA4ogvlW0ovt88XQjG/IH2OWPPrw6hn7pGI=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=G51dwlhhcfk2C3fATyFLOI4B4J1VJmTKOEfHRPiPDjxQBMtAed9qrku2j/+yOU4/M kMYf6wVZURsErLOAGmm71fqOmOGuIIsSxLR5RzbpdLYvxrjmP9qfMSKkIf9ljSIBSB PphGA3qUIft1CBjZ3s7qIh0JEPNYNqFMlMmA1ha+03wzn5hHtmMIUcQ3VAPXikq9D5 Kr3F1583mfQ2TIEp4+aL8umUFNFhDgpLmrXTiI4A9HbYslF6itWLQ4Z8rQchW6WZn7 Ut3GqkkPp0cQ1QEbqW76yRN3ZwoSe19PxMW7Vd9DvRYRGYqKhiqxrucIXFpfAB8SAv hXU5fw/HJUcJQ== From: Hui Wang To: kernel-team@lists.ubuntu.com Subject: [SRU][Kinetic][PATCH 02/14] ASoC: amd: add Pink Sardine ACP PCI driver Date: Wed, 14 Sep 2022 13:16:21 +0800 Message-Id: <20220914051633.20418-17-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 ACP is a PCI audio device. This patch adds PCI driver to bind to this device and get PCI resources for Pink Sardine Platform. Signed-off-by: Syed Saba Kareem Signed-off-by: Vijendar Mukunda Link: https://lore.kernel.org/r/20220827165657.2343818-3-Syed.SabaKareem@amd.com Signed-off-by: Mark Brown (cherry picked from commit 95e43a170bb1e91a7972610d33a26ea4841e2cdd linux-next) Signed-off-by: Hui Wang --- sound/soc/amd/ps/acp62.h | 20 +++++++++ sound/soc/amd/ps/pci-ps.c | 94 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 114 insertions(+) create mode 100644 sound/soc/amd/ps/acp62.h create mode 100644 sound/soc/amd/ps/pci-ps.c diff --git a/sound/soc/amd/ps/acp62.h b/sound/soc/amd/ps/acp62.h new file mode 100644 index 000000000000..5291585f45f9 --- /dev/null +++ b/sound/soc/amd/ps/acp62.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * AMD ALSA SoC PDM Driver + * + * Copyright (C) 2022 Advanced Micro Devices, Inc. All rights reserved. + */ + +#include + +#define ACP_DEVICE_ID 0x15E2 + +static inline u32 acp62_readl(void __iomem *base_addr) +{ + return readl(base_addr); +} + +static inline void acp62_writel(u32 val, void __iomem *base_addr) +{ + writel(val, base_addr); +} diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c new file mode 100644 index 000000000000..8bb33845622a --- /dev/null +++ b/sound/soc/amd/ps/pci-ps.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * AMD Pink Sardine ACP PCI Driver + * + * Copyright 2022 Advanced Micro Devices, Inc. + */ + +#include +#include +#include + +#include "acp62.h" + +struct acp62_dev_data { + void __iomem *acp62_base; +}; + +static int snd_acp62_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + struct acp62_dev_data *adata; + u32 addr; + int ret; + + /* Pink Sardine device check */ + switch (pci->revision) { + case 0x63: + break; + default: + dev_dbg(&pci->dev, "acp62 pci device not found\n"); + return -ENODEV; + } + if (pci_enable_device(pci)) { + dev_err(&pci->dev, "pci_enable_device failed\n"); + return -ENODEV; + } + + ret = pci_request_regions(pci, "AMD ACP6.2 audio"); + if (ret < 0) { + dev_err(&pci->dev, "pci_request_regions failed\n"); + goto disable_pci; + } + adata = devm_kzalloc(&pci->dev, sizeof(struct acp62_dev_data), + GFP_KERNEL); + if (!adata) { + ret = -ENOMEM; + goto release_regions; + } + + addr = pci_resource_start(pci, 0); + adata->acp62_base = devm_ioremap(&pci->dev, addr, + pci_resource_len(pci, 0)); + if (!adata->acp62_base) { + ret = -ENOMEM; + goto release_regions; + } + pci_set_master(pci); + pci_set_drvdata(pci, adata); + return 0; +release_regions: + pci_release_regions(pci); +disable_pci: + pci_disable_device(pci); + + return ret; +} + +static void snd_acp62_remove(struct pci_dev *pci) +{ + pci_release_regions(pci); + pci_disable_device(pci); +} + +static const struct pci_device_id snd_acp62_ids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_DEVICE_ID), + .class = PCI_CLASS_MULTIMEDIA_OTHER << 8, + .class_mask = 0xffffff }, + { 0, }, +}; +MODULE_DEVICE_TABLE(pci, snd_acp62_ids); + +static struct pci_driver ps_acp62_driver = { + .name = KBUILD_MODNAME, + .id_table = snd_acp62_ids, + .probe = snd_acp62_probe, + .remove = snd_acp62_remove, +}; + +module_pci_driver(ps_acp62_driver); + +MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); +MODULE_AUTHOR("Syed.SabaKareem@amd.com"); +MODULE_DESCRIPTION("AMD ACP Pink Sardine PCI driver"); +MODULE_LICENSE("GPL v2");