From patchwork Wed Sep 20 09:32:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 725768 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2D78FCE79B9 for ; Wed, 20 Sep 2023 10:10:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234231AbjITKKH (ORCPT ); Wed, 20 Sep 2023 06:10:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234228AbjITKKB (ORCPT ); Wed, 20 Sep 2023 06:10:01 -0400 Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDEC5B0; Wed, 20 Sep 2023 03:09:54 -0700 (PDT) Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 6B0AB1A0D6D; Wed, 20 Sep 2023 12:09:53 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 33B0B1A0989; Wed, 20 Sep 2023 12:09:53 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id A9E511820F59; Wed, 20 Sep 2023 18:09:51 +0800 (+08) From: Shengjiu Wang To: hverkuil@xs4all.nl, sakari.ailus@iki.fi, tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH v4 04/11] ASoC: fsl_asrc: register m2m platform device Date: Wed, 20 Sep 2023 17:32:43 +0800 Message-Id: <1695202370-24678-5-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1695202370-24678-1-git-send-email-shengjiu.wang@nxp.com> References: <1695202370-24678-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Register m2m platform device, that user can use M2M feature. Defined platform data structure and platform driver name. Signed-off-by: Shengjiu Wang --- include/sound/fsl_asrc_common.h | 12 ++++++++++++ sound/soc/fsl/fsl_asrc.c | 12 ++++++++++++ 2 files changed, 24 insertions(+) diff --git a/include/sound/fsl_asrc_common.h b/include/sound/fsl_asrc_common.h index 7f7e725075fe..e978a2f9cd24 100644 --- a/include/sound/fsl_asrc_common.h +++ b/include/sound/fsl_asrc_common.h @@ -69,6 +69,7 @@ struct fsl_asrc_pair { * @dma_params_rx: DMA parameters for receive channel * @dma_params_tx: DMA parameters for transmit channel * @pdev: platform device pointer + * @m2m_pdev: m2m platform device pointer * @regmap: regmap handler * @paddr: physical address to the base address of registers * @mem_clk: clock source to access register @@ -104,6 +105,7 @@ struct fsl_asrc { struct snd_dmaengine_dai_dma_data dma_params_rx; struct snd_dmaengine_dai_dma_data dma_params_tx; struct platform_device *pdev; + struct platform_device *m2m_pdev; struct regmap *regmap; unsigned long paddr; struct clk *mem_clk; @@ -144,6 +146,16 @@ struct fsl_asrc { void *private; }; +/** + * struct fsl_asrc_m2m_pdata - platform data + * @asrc: pointer to struct fsl_asrc + * + */ +struct fsl_asrc_m2m_pdata { + struct fsl_asrc *asrc; +}; + +#define M2M_DRV_NAME "fsl_asrc_m2m" #define DRV_NAME "fsl-asrc-dai" extern struct snd_soc_component_driver fsl_asrc_component; diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index f9d830e0957f..7b72d6bcf281 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -1208,6 +1208,7 @@ static int fsl_asrc_runtime_suspend(struct device *dev); static int fsl_asrc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; + struct fsl_asrc_m2m_pdata m2m_pdata; struct fsl_asrc_priv *asrc_priv; struct fsl_asrc *asrc; struct resource *res; @@ -1392,6 +1393,12 @@ static int fsl_asrc_probe(struct platform_device *pdev) goto err_pm_get_sync; } + m2m_pdata.asrc = asrc; + asrc->m2m_pdev = platform_device_register_data(&pdev->dev, + M2M_DRV_NAME, + PLATFORM_DEVID_AUTO, + &m2m_pdata, + sizeof(m2m_pdata)); return 0; err_pm_get_sync: @@ -1404,6 +1411,11 @@ static int fsl_asrc_probe(struct platform_device *pdev) static void fsl_asrc_remove(struct platform_device *pdev) { + struct fsl_asrc *asrc = dev_get_drvdata(&pdev->dev); + + if (asrc->m2m_pdev && !IS_ERR(asrc->m2m_pdev)) + platform_device_unregister(asrc->m2m_pdev); + pm_runtime_disable(&pdev->dev); if (!pm_runtime_status_suspended(&pdev->dev)) fsl_asrc_runtime_suspend(&pdev->dev);