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client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; Received: from SATLEXMB03.amd.com (165.204.84.17) by CO1NAM11FT052.mail.protection.outlook.com (10.13.174.225) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.4331.21 via Frontend Transport; Fri, 16 Jul 2021 19:42:57 +0000 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.4; Fri, 16 Jul 2021 14:42:56 -0500 Received: from vijendar-System-Product-Name.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2242.4 via Frontend Transport; Fri, 16 Jul 2021 14:42:48 -0500 From: Vijendar Mukunda To: , Subject: [PATCH RESEND V2 05/12] ASoC: amd: add ACP5x PCM platform driver Date: Sat, 17 Jul 2021 09:30:52 +0530 Message-ID: <20210717040059.310410-6-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210717040059.310410-1-Vijendar.Mukunda@amd.com> References: <20210717040059.310410-1-Vijendar.Mukunda@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 73dc789e-5fd8-4be3-6ff9-08d94891e990 X-MS-TrafficTypeDiagnostic: DM6PR12MB2796: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:108; 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PTR:InfoDomainNonexistent; CAT:NONE; SFS:(4636009)(39860400002)(136003)(346002)(376002)(396003)(46966006)(36840700001)(36860700001)(110136005)(81166007)(70206006)(70586007)(54906003)(8936002)(356005)(7696005)(47076005)(8676002)(186003)(5660300002)(6666004)(82310400003)(82740400003)(83380400001)(426003)(478600001)(4326008)(316002)(36756003)(336012)(26005)(2616005)(86362001)(2906002)(1076003)(32563001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jul 2021 19:42:57.3981 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 73dc789e-5fd8-4be3-6ff9-08d94891e990 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT052.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB2796 Cc: Sunil-kumar.Dommati@amd.com, open list , Takashi Iwai , Liam Girdwood , Vijendar Mukunda , Alexander.Deucher@amd.com, krisman@collabora.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" From: Vijendar Mukunda PCM platform driver binds to the platform device created by ACP5x PCI device. PCM driver registers ALSA DMA components with ASoC framework. Signed-off-by: Vijendar Mukunda --- v1 -> v2: drop acp5x_audio_remove() API --- sound/soc/amd/vangogh/acp5x-pcm-dma.c | 73 +++++++++++++++++++++++++++ sound/soc/amd/vangogh/acp5x.h | 4 ++ 2 files changed, 77 insertions(+) create mode 100644 sound/soc/amd/vangogh/acp5x-pcm-dma.c diff --git a/sound/soc/amd/vangogh/acp5x-pcm-dma.c b/sound/soc/amd/vangogh/acp5x-pcm-dma.c new file mode 100644 index 000000000000..2ff11bb88305 --- /dev/null +++ b/sound/soc/amd/vangogh/acp5x-pcm-dma.c @@ -0,0 +1,73 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// AMD ALSA SoC PCM Driver +// +// Copyright (C) 2021 Advanced Micro Devices, Inc. All rights reserved. + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "acp5x.h" + +#define DRV_NAME "acp5x_i2s_dma" + +static const struct snd_soc_component_driver acp5x_i2s_component = { + .name = DRV_NAME, +}; + +static int acp5x_audio_probe(struct platform_device *pdev) +{ + struct resource *res; + struct i2s_dev_data *adata; + int status; + + if (!pdev->dev.platform_data) { + dev_err(&pdev->dev, "platform_data not retrieved\n"); + return -ENODEV; + } + irqflags = *((unsigned int *)(pdev->dev.platform_data)); + + 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->acp5x_base = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); + if (!adata->acp5x_base) + return -ENOMEM; + dev_set_drvdata(&pdev->dev, adata); + status = devm_snd_soc_register_component(&pdev->dev, + &acp5x_i2s_component, + NULL, 0); + if (status) { + dev_err(&pdev->dev, "Fail to register acp i2s component\n"); + return -ENODEV; + } + return 0; +} + +static struct platform_driver acp5x_dma_driver = { + .probe = acp5x_audio_probe, + .driver = { + .name = "acp5x_i2s_dma", + }, +}; + +module_platform_driver(acp5x_dma_driver); + +MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); +MODULE_DESCRIPTION("AMD ACP 5.x PCM Driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/sound/soc/amd/vangogh/acp5x.h b/sound/soc/amd/vangogh/acp5x.h index bbf29fd2b12f..d2853738eb17 100644 --- a/sound/soc/amd/vangogh/acp5x.h +++ b/sound/soc/amd/vangogh/acp5x.h @@ -32,6 +32,10 @@ #define I2S_MODE 0x00 #define ACP5x_I2S_MODE 0x00 +struct i2s_dev_data { + void __iomem *acp5x_base; +}; + /* common header file uses exact offset rather than relative * offset which requires substraction logic from base_addr * for accessing ACP5x MMIO space registers