From patchwork Wed Sep 18 06:46:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 173956 Delivered-To: patch@linaro.org Received: by 2002:ac9:19ad:0:0:0:0:0 with SMTP id d45csp6035886oce; Tue, 17 Sep 2019 23:48:55 -0700 (PDT) X-Google-Smtp-Source: APXvYqx6hWcky+Ktx8sY5NkBNbaYFNCF/ryVq0Gd+cOoiQEu2zjHvTjGjBbeT+BPb8wmp+RwjyFL X-Received: by 2002:a50:c2c2:: with SMTP id u2mr8505249edf.220.1568789335262; Tue, 17 Sep 2019 23:48:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1568789335; cv=none; d=google.com; s=arc-20160816; b=LR1hYTqf60gCKSDGDy7OMn2WuxNHwXMiydHW1iLc6JWfyFzD2xsmjAq+1/QhGopOik nw0u5jqbwRqlIyvROYeBU/9/GLuu10nzEW6ZYn4wD+0+m1nWBygDEIoK3ozv9xu1TExI u1s1w8S3bNbN1qPdvLUHeaUNGul5IENcTH/QjwlEiLfeL+KTZcmVISREyQUwHwUY1QtQ laI3Gt9LMA82d/tLZVRNX1Gwhwlb51FjIDWvD2jbozXxyaqrPjoWyecYDQ2RIB3nw/Lg lNUvJdGLcTqfNlYTB6qSnIxaE1UWBS5RP/QPXay524eoQxpgULVcdydcAna+PQzQqcWQ d1bw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:references :in-reply-to:message-id:date:subject:to:from; bh=9LEa1APgJOgaf6kw28zPZUwB+8Use/o2eah6VuG0Slk=; b=FY+DjbE3PbU3yEwcIgW414YTd53uvJ0+gFYd2weF3jxeF+iZzDRCWcgq0+kpGjiNu+ 6bXhNjKmbZAjEP2bIOhBik2LsD2uwoIwq4mC87GEaOe9Ol+wcirwjf4SIxanWygpIV0O rCEnPj/rml7fYfE2wv7xN0CZteXEdFgUmXW2c+gk/hvMbVR0fcsUr5m4G0WOsrvfZG3C xnSm7Fsri8z+iwmyQllU3zWut88jae0d/EovjHrtXXkia6TZ2KszVHXE66SiBXNEiOFX 7/IElqNMpKPdpEYAT2GwwO2M+DCOKY/D7a/Z22LrVEfOjmzWY67KzeM/O5DIDBb4Z9cP H/TA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-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. [209.132.180.67]) by mx.google.com with ESMTP id qo6si681498ejb.386.2019.09.17.23.48.55; Tue, 17 Sep 2019 23:48:55 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-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 S1727677AbfIRGst (ORCPT + 27 others); Wed, 18 Sep 2019 02:48:49 -0400 Received: from inva021.nxp.com ([92.121.34.21]:51934 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725842AbfIRGss (ORCPT ); Wed, 18 Sep 2019 02:48:48 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 38F8E200160; Wed, 18 Sep 2019 08:48:45 +0200 (CEST) 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 BA24620025D; Wed, 18 Sep 2019 08:48:37 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id C1DE1402E6; Wed, 18 Sep 2019 14:48:28 +0800 (SGT) From: Shengjiu Wang To: timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org, lars@metafoo.de Subject: [PATCH V2 4/4] ASoC: fsl_asrc: Fix error with S24_3LE format bitstream in i.MX8 Date: Wed, 18 Sep 2019 14:46:51 +0800 Message-Id: <045b1255fffd9680b148a47b9b27cefa630192a8.1568788682.git.shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is error "aplay: pcm_write:2023: write error: Input/output error" on i.MX8QM/i.MX8QXP platform for S24_3LE format. In i.MX8QM/i.MX8QXP, the DMA is EDMA, which don't support 24bit sample, but we didn't add any constraint, that cause issues. So we need to query the caps of dma, then update the hw parameters according to the caps. Signed-off-by: Shengjiu Wang --- sound/soc/fsl/fsl_asrc.c | 4 +-- sound/soc/fsl/fsl_asrc.h | 3 +++ sound/soc/fsl/fsl_asrc_dma.c | 48 ++++++++++++++++++++++++++++++------ 3 files changed, 46 insertions(+), 9 deletions(-) -- 2.21.0 diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 584badf956d2..0bf91a6f54b9 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -115,7 +115,7 @@ static void fsl_asrc_sel_proc(int inrate, int outrate, * within range [ANCA, ANCA+ANCB-1], depends on the channels of pair A * while pair A and pair C are comparatively independent. */ -static int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair) +int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair) { enum asrc_pair_index index = ASRC_INVALID_PAIR; struct fsl_asrc *asrc_priv = pair->asrc_priv; @@ -158,7 +158,7 @@ static int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair) * * It clears the resource from asrc_priv and releases the occupied channels. */ -static void fsl_asrc_release_pair(struct fsl_asrc_pair *pair) +void fsl_asrc_release_pair(struct fsl_asrc_pair *pair) { struct fsl_asrc *asrc_priv = pair->asrc_priv; enum asrc_pair_index index = pair->index; diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h index 38af485bdd22..2b57e8c53728 100644 --- a/sound/soc/fsl/fsl_asrc.h +++ b/sound/soc/fsl/fsl_asrc.h @@ -462,4 +462,7 @@ struct fsl_asrc { #define DRV_NAME "fsl-asrc-dai" extern struct snd_soc_component_driver fsl_asrc_component; struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair, bool dir); +int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair); +void fsl_asrc_release_pair(struct fsl_asrc_pair *pair); + #endif /* _FSL_ASRC_H */ diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c index 01052a0808b0..c1f39975cc32 100644 --- a/sound/soc/fsl/fsl_asrc_dma.c +++ b/sound/soc/fsl/fsl_asrc_dma.c @@ -16,13 +16,11 @@ #define FSL_ASRC_DMABUF_SIZE (256 * 1024) -static const struct snd_pcm_hardware snd_imx_hardware = { +static struct snd_pcm_hardware snd_imx_hardware = { .info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_RESUME, + SNDRV_PCM_INFO_MMAP_VALID, .buffer_bytes_max = FSL_ASRC_DMABUF_SIZE, .period_bytes_min = 128, .period_bytes_max = 65535, /* Limited by SDMA engine */ @@ -276,6 +274,11 @@ static int fsl_asrc_dma_startup(struct snd_pcm_substream *substream) struct device *dev = component->dev; struct fsl_asrc *asrc_priv = dev_get_drvdata(dev); struct fsl_asrc_pair *pair; + bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; + u8 dir = tx ? OUT : IN; + struct dma_chan *tmp_chan; + struct snd_dmaengine_dai_dma_data *dma_data; + int ret; pair = kzalloc(sizeof(struct fsl_asrc_pair), GFP_KERNEL); if (!pair) @@ -285,9 +288,40 @@ static int fsl_asrc_dma_startup(struct snd_pcm_substream *substream) runtime->private_data = pair; - snd_pcm_hw_constraint_integer(substream->runtime, - SNDRV_PCM_HW_PARAM_PERIODS); - snd_soc_set_runtime_hwparams(substream, &snd_imx_hardware); + ret = snd_pcm_hw_constraint_integer(substream->runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + if (ret < 0) { + dev_err(dev, "failed to set pcm hw params periods\n"); + return ret; + } + + /* Request a temp pair, which is release in the end */ + ret = fsl_asrc_request_pair(1, pair); + if (ret < 0) { + dev_err(dev, "failed to request asrc pair\n"); + return ret; + } + + tmp_chan = fsl_asrc_get_dma_channel(pair, dir); + if (!tmp_chan) { + dev_err(dev, "can't get dma channel\n"); + return -EINVAL; + } + + dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); + + ret = snd_dmaengine_pcm_set_runtime_hwparams(substream, + dma_data, + &snd_imx_hardware, + tmp_chan); + if (ret < 0) { + dev_err(dev, "failed to set runtime hwparams\n"); + return ret; + } + + dma_release_channel(tmp_chan); + fsl_asrc_release_pair(pair); + return 0; }