From patchwork Fri Feb 5 06:57:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 376877 Delivered-To: patch@linaro.org Received: by 2002:a02:b18a:0:0:0:0:0 with SMTP id t10csp1974614jah; Thu, 4 Feb 2021 23:09:39 -0800 (PST) X-Google-Smtp-Source: ABdhPJxGBnlI4DqMRXoc1HnZE58UNz58U/VcfvZAkUxa7IgQLwaFUau7jzY5RA5IwWSjZMloglnO X-Received: by 2002:a17:906:2c17:: with SMTP id e23mr2671038ejh.434.1612508979665; Thu, 04 Feb 2021 23:09:39 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612508979; cv=none; d=google.com; s=arc-20160816; b=xm76XWEZWpEYDZPC2q7Ck+wwOBG+jIT3uA/BssifalA8mi5kl+1uXXkILjN92BUNxa JXEgUuR7gk3ObgwYlesL+ZlDs70BwxYF0R5ivaaC9aSqGcVcTP+hieeFN9c4Cad2tfzw F59CqKRzU49xJwyZP2bSIM/TGZe9V37cr0PuDNE0H2ExHQRdSKdVxN+GifWokKBS/Kz+ XF3k7huA42AbZhLb3raIg2++6WL2p6YeyFQYgmuilc4PtnQNFUh8GmQVxesA/6bzZOMc EShQkzG3nUwnuzz+w8tCfpwakomdvGLSwmjvkYHC5JqBlfg91qicRphJDMuoZY/ZPC4B 5x4g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :to:from; bh=hD5/pn6NJWKc8o6zt70cNm6oo0EuXxu9Xt5jxvIjmT0=; b=xRc1kKztUnP5rwGAl3B41qd8mR2eSQ/y7Lh8b57FrppodWlSG4g2Ni72YIOeqepSq9 cZePxX9n/KsTUKg+TfhiSjfcvY5zVuP1Zpit2Y7YYPGxm4OO1XdWUkKPe9i3CbHcJXD6 9dpc2G2IDylmIrRDJy0C/zfgA6aiW98AFb43Nyxlnzj6FFJt7HD3Nt/PifqwQnujs1C7 nG5Wry6yal1Xe+VMmrhkHsU0cDuZk08XuYEhFT2IM3NgYdYAVzKMXiqo5NBgLhvkPnZp qNCRpbShunEgOEGaS0wQ6LCGl0SCqhxlQz85VvIjiit+TObJxA8HIsd7lPzlmdkCoR/h tLvQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j6si4623607ejc.262.2021.02.04.23.09.39; Thu, 04 Feb 2021 23:09:39 -0800 (PST) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231359AbhBEHJg (ORCPT + 6 others); Fri, 5 Feb 2021 02:09:36 -0500 Received: from inva021.nxp.com ([92.121.34.21]:59042 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231317AbhBEHJe (ORCPT ); Fri, 5 Feb 2021 02:09:34 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id D6D0A200B4E; Fri, 5 Feb 2021 08:08:45 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id C386F200B61; Fri, 5 Feb 2021 08:08:40 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 9087040296; Fri, 5 Feb 2021 08:08:34 +0100 (CET) From: Shengjiu Wang To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, linuxppc-dev@lists.ozlabs.org, robh+dt@kernel.org, devicetree@vger.kernel.org Subject: [PATCH 1/7] ASoC: soc-component: Add snd_soc_pcm_component_ack Date: Fri, 5 Feb 2021 14:57:24 +0800 Message-Id: <1612508250-10586-2-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1612508250-10586-1-git-send-email-shengjiu.wang@nxp.com> References: <1612508250-10586-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add snd_soc_pcm_component_ack back, which can be used to get updated buffer pointer in platform driver. On Asymmetric multiprocessor, this pointer can be sent to Cortex-M core for audio processing. Signed-off-by: Shengjiu Wang --- include/sound/soc-component.h | 3 +++ sound/soc/soc-component.c | 14 ++++++++++++++ sound/soc/soc-pcm.c | 2 ++ 3 files changed, 19 insertions(+) -- 2.27.0 diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h index 5b47768222b7..2dc8c7e3d1a6 100644 --- a/include/sound/soc-component.h +++ b/include/sound/soc-component.h @@ -146,6 +146,8 @@ struct snd_soc_component_driver { int (*mmap)(struct snd_soc_component *component, struct snd_pcm_substream *substream, struct vm_area_struct *vma); + int (*ack)(struct snd_soc_component *component, + struct snd_pcm_substream *substream); const struct snd_compress_ops *compress_ops; @@ -498,5 +500,6 @@ int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd, void *stream); void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd, void *stream, int rollback); +int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream); #endif /* __SOC_COMPONENT_H */ diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c index 159bf88b9f8c..a9fbb2d26412 100644 --- a/sound/soc/soc-component.c +++ b/sound/soc/soc-component.c @@ -1212,3 +1212,17 @@ void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd, soc_component_mark_pop(component, stream, pm); } } + +int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_component *component; + int i; + + /* FIXME: use 1st pointer */ + for_each_rtd_components(rtd, i, component) + if (component->driver->ack) + return component->driver->ack(component, substream); + + return 0; +} diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index b79f064887d4..605acec48971 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -2830,6 +2830,8 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) rtd->ops.page = snd_soc_pcm_component_page; if (drv->mmap) rtd->ops.mmap = snd_soc_pcm_component_mmap; + if (drv->ack) + rtd->ops.ack = snd_soc_pcm_component_ack; } if (playback)