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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jan 2023 09:00:32.4755 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 16eb6858-0e18-46f4-d62d-08daf3b24bac 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0000B073.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6613 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Soundwire DMA platform driver binds to the platform device created by ACP PCI device. Soundwire DMA driver registers ALSA DMA component with ASoC framework. Signed-off-by: Vijendar Mukunda --- sound/soc/amd/ps/acp63.h | 5 +++ sound/soc/amd/ps/ps-sdw-dma.c | 72 +++++++++++++++++++++++++++++++++++ 2 files changed, 77 insertions(+) create mode 100644 sound/soc/amd/ps/ps-sdw-dma.c diff --git a/sound/soc/amd/ps/acp63.h b/sound/soc/amd/ps/acp63.h index 0bd9dc363461..b462320fdf2a 100644 --- a/sound/soc/amd/ps/acp63.h +++ b/sound/soc/amd/ps/acp63.h @@ -135,3 +135,8 @@ struct acp63_dev_data { bool is_sdw_dev; bool acp_sdw_power_off; }; + +struct sdw_dma_dev_data { + void __iomem *acp_base; + struct mutex *acp_lock; +}; diff --git a/sound/soc/amd/ps/ps-sdw-dma.c b/sound/soc/amd/ps/ps-sdw-dma.c new file mode 100644 index 000000000000..388a4b7df715 --- /dev/null +++ b/sound/soc/amd/ps/ps-sdw-dma.c @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * AMD ALSA SoC Pink Sardine Soundwire DMA Driver + * + * Copyright 2023 Advanced Micro Devices, Inc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include "acp63.h" + +#define DRV_NAME "amd_ps_sdw_dma" + +static const struct snd_soc_component_driver acp63_sdw_component = { + .name = DRV_NAME, +}; + +static int acp63_sdw_platform_probe(struct platform_device *pdev) +{ + struct resource *res; + struct sdw_dma_dev_data *sdw_data; + int status; + + if (!pdev->dev.platform_data) { + dev_err(&pdev->dev, "platform_data not retrieved\n"); + return -ENODEV; + } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n"); + return -ENODEV; + } + + sdw_data = devm_kzalloc(&pdev->dev, sizeof(*sdw_data), GFP_KERNEL); + if (!sdw_data) + return -ENOMEM; + + sdw_data->acp_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!sdw_data->acp_base) + return -ENOMEM; + + sdw_data->acp_lock = pdev->dev.platform_data; + dev_set_drvdata(&pdev->dev, sdw_data); + status = devm_snd_soc_register_component(&pdev->dev, + &acp63_sdw_component, + NULL, 0); + if (status) { + dev_err(&pdev->dev, "Fail to register acp pdm dai\n"); + + return -ENODEV; + } + return 0; +} + +static struct platform_driver acp63_sdw_dma_driver = { + .probe = acp63_sdw_platform_probe, + .driver = { + .name = "amd_ps_sdw_dma", + }, +}; + +module_platform_driver(acp63_sdw_dma_driver); + +MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); +MODULE_DESCRIPTION("AMD ACP6.3 PS SDW DMA Driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME); -- 2.34.1 From mboxrd@z Thu Jan 1 00:00:00 1970 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 1D39BC5479D for ; Wed, 11 Jan 2023 09:02:32 +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 4ECC85EAD; Wed, 11 Jan 2023 10:01:39 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 4ECC85EAD DKIM-Signature: v=1; a=rsa-sha256; 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Wed, 11 Jan 2023 03:00:28 -0600 Received: from vijendar-X570-GAMING-X.amd.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2375.34 via Frontend Transport; Wed, 11 Jan 2023 03:00:24 -0600 From: Vijendar Mukunda To: , , Subject: [PATCH 07/19] ASoC: amd: ps: add soundwire dma driver for pink sardine platform Date: Wed, 11 Jan 2023 14:32:10 +0530 Message-ID: <20230111090222.2016499-8-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230111090222.2016499-1-Vijendar.Mukunda@amd.com> References: <20230111090222.2016499-1-Vijendar.Mukunda@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0000B073:EE_|DM4PR12MB6613:EE_ X-MS-Office365-Filtering-Correlation-Id: 16eb6858-0e18-46f4-d62d-08daf3b24bac X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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Soundwire DMA driver registers ALSA DMA component with ASoC framework. Signed-off-by: Vijendar Mukunda --- sound/soc/amd/ps/acp63.h | 5 +++ sound/soc/amd/ps/ps-sdw-dma.c | 72 +++++++++++++++++++++++++++++++++++ 2 files changed, 77 insertions(+) create mode 100644 sound/soc/amd/ps/ps-sdw-dma.c diff --git a/sound/soc/amd/ps/acp63.h b/sound/soc/amd/ps/acp63.h index 0bd9dc363461..b462320fdf2a 100644 --- a/sound/soc/amd/ps/acp63.h +++ b/sound/soc/amd/ps/acp63.h @@ -135,3 +135,8 @@ struct acp63_dev_data { bool is_sdw_dev; bool acp_sdw_power_off; }; + +struct sdw_dma_dev_data { + void __iomem *acp_base; + struct mutex *acp_lock; +}; diff --git a/sound/soc/amd/ps/ps-sdw-dma.c b/sound/soc/amd/ps/ps-sdw-dma.c new file mode 100644 index 000000000000..388a4b7df715 --- /dev/null +++ b/sound/soc/amd/ps/ps-sdw-dma.c @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * AMD ALSA SoC Pink Sardine Soundwire DMA Driver + * + * Copyright 2023 Advanced Micro Devices, Inc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include "acp63.h" + +#define DRV_NAME "amd_ps_sdw_dma" + +static const struct snd_soc_component_driver acp63_sdw_component = { + .name = DRV_NAME, +}; + +static int acp63_sdw_platform_probe(struct platform_device *pdev) +{ + struct resource *res; + struct sdw_dma_dev_data *sdw_data; + int status; + + if (!pdev->dev.platform_data) { + dev_err(&pdev->dev, "platform_data not retrieved\n"); + return -ENODEV; + } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n"); + return -ENODEV; + } + + sdw_data = devm_kzalloc(&pdev->dev, sizeof(*sdw_data), GFP_KERNEL); + if (!sdw_data) + return -ENOMEM; + + sdw_data->acp_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!sdw_data->acp_base) + return -ENOMEM; + + sdw_data->acp_lock = pdev->dev.platform_data; + dev_set_drvdata(&pdev->dev, sdw_data); + status = devm_snd_soc_register_component(&pdev->dev, + &acp63_sdw_component, + NULL, 0); + if (status) { + dev_err(&pdev->dev, "Fail to register acp pdm dai\n"); + + return -ENODEV; + } + return 0; +} + +static struct platform_driver acp63_sdw_dma_driver = { + .probe = acp63_sdw_platform_probe, + .driver = { + .name = "amd_ps_sdw_dma", + }, +}; + +module_platform_driver(acp63_sdw_dma_driver); + +MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); +MODULE_DESCRIPTION("AMD ACP6.3 PS SDW DMA Driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME); -- 2.34.1