From patchwork Wed Sep 18 06:46:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 1163778 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 46Y9lx35JGz9sCJ for ; Wed, 18 Sep 2019 16:57:49 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 46Y9lx1sh9zF4Sm for ; Wed, 18 Sep 2019 16:57:49 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nxp.com (client-ip=92.121.34.13; helo=inva020.nxp.com; envelope-from=shengjiu.wang@nxp.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 46Y9YV2bYgzF0wZ for ; Wed, 18 Sep 2019 16:48:44 +1000 (AEST) Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 143B31A02B7; Wed, 18 Sep 2019 08:48:41 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 931D81A0159; Wed, 18 Sep 2019 08:48:33 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 9A4AC402CA; Wed, 18 Sep 2019 14:48:24 +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 1/4] ASoC: fsl_asrc: Use in(out)put_format instead of in(out)put_word_width Date: Wed, 18 Sep 2019 14:46:48 +0800 Message-Id: <1fe48388770d18ffed86fc02c82d41e911136721.1568788682.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 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" snd_pcm_format_t is more formal than enum asrc_word_width, which has two property, width and physical width, which is more accurate than enum asrc_word_width. So it is better to use in(out)put_format instead of in(out)put_word_width. Signed-off-by: Shengjiu Wang Acked-by: Nicolin Chen --- sound/soc/fsl/fsl_asrc.c | 56 +++++++++++++++++++++++++++------------- sound/soc/fsl/fsl_asrc.h | 4 +-- 2 files changed, 40 insertions(+), 20 deletions(-) diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index cfa40ef6b1ca..4d3804a1ea55 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -265,6 +265,8 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair) struct asrc_config *config = pair->config; struct fsl_asrc *asrc_priv = pair->asrc_priv; enum asrc_pair_index index = pair->index; + enum asrc_word_width input_word_width; + enum asrc_word_width output_word_width; u32 inrate, outrate, indiv, outdiv; u32 clk_index[2], div[2]; int in, out, channels; @@ -283,9 +285,32 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair) return -EINVAL; } - /* Validate output width */ - if (config->output_word_width == ASRC_WIDTH_8_BIT) { - pair_err("does not support 8bit width output\n"); + switch (snd_pcm_format_width(config->input_format)) { + case 8: + input_word_width = ASRC_WIDTH_8_BIT; + break; + case 16: + input_word_width = ASRC_WIDTH_16_BIT; + break; + case 24: + input_word_width = ASRC_WIDTH_24_BIT; + break; + default: + pair_err("does not support this input format, %d\n", + config->input_format); + return -EINVAL; + } + + switch (snd_pcm_format_width(config->output_format)) { + case 16: + output_word_width = ASRC_WIDTH_16_BIT; + break; + case 24: + output_word_width = ASRC_WIDTH_24_BIT; + break; + default: + pair_err("does not support this output format, %d\n", + config->output_format); return -EINVAL; } @@ -383,8 +408,8 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair) /* Implement word_width configurations */ regmap_update_bits(asrc_priv->regmap, REG_ASRMCR1(index), ASRMCR1i_OW16_MASK | ASRMCR1i_IWD_MASK, - ASRMCR1i_OW16(config->output_word_width) | - ASRMCR1i_IWD(config->input_word_width)); + ASRMCR1i_OW16(output_word_width) | + ASRMCR1i_IWD(input_word_width)); /* Enable BUFFER STALL */ regmap_update_bits(asrc_priv->regmap, REG_ASRMCR(index), @@ -497,13 +522,13 @@ static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct fsl_asrc *asrc_priv = snd_soc_dai_get_drvdata(dai); - int width = params_width(params); struct snd_pcm_runtime *runtime = substream->runtime; struct fsl_asrc_pair *pair = runtime->private_data; unsigned int channels = params_channels(params); unsigned int rate = params_rate(params); struct asrc_config config; - int word_width, ret; + snd_pcm_format_t format; + int ret; ret = fsl_asrc_request_pair(channels, pair); if (ret) { @@ -513,15 +538,10 @@ static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream, pair->config = &config; - if (width == 16) - width = ASRC_WIDTH_16_BIT; - else - width = ASRC_WIDTH_24_BIT; - if (asrc_priv->asrc_width == 16) - word_width = ASRC_WIDTH_16_BIT; + format = SNDRV_PCM_FORMAT_S16_LE; else - word_width = ASRC_WIDTH_24_BIT; + format = SNDRV_PCM_FORMAT_S24_LE; config.pair = pair->index; config.channel_num = channels; @@ -529,13 +549,13 @@ static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream, config.outclk = OUTCLK_ASRCK1_CLK; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - config.input_word_width = width; - config.output_word_width = word_width; + config.input_format = params_format(params); + config.output_format = format; config.input_sample_rate = rate; config.output_sample_rate = asrc_priv->asrc_rate; } else { - config.input_word_width = word_width; - config.output_word_width = width; + config.input_format = format; + config.output_format = params_format(params); config.input_sample_rate = asrc_priv->asrc_rate; config.output_sample_rate = rate; } diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h index c60075112570..38af485bdd22 100644 --- a/sound/soc/fsl/fsl_asrc.h +++ b/sound/soc/fsl/fsl_asrc.h @@ -342,8 +342,8 @@ struct asrc_config { unsigned int dma_buffer_size; unsigned int input_sample_rate; unsigned int output_sample_rate; - enum asrc_word_width input_word_width; - enum asrc_word_width output_word_width; + snd_pcm_format_t input_format; + snd_pcm_format_t output_format; enum asrc_inclk inclk; enum asrc_outclk outclk; }; From patchwork Wed Sep 18 06:46:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 1163775 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 46Y9hL4lfFz9sCJ for ; Wed, 18 Sep 2019 16:54:42 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 46Y9hL2TvRzF3q8 for ; Wed, 18 Sep 2019 16:54:42 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nxp.com (client-ip=92.121.34.13; helo=inva020.nxp.com; envelope-from=shengjiu.wang@nxp.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 46Y9YV2dCjzF0wt for ; Wed, 18 Sep 2019 16:48:45 +1000 (AEST) Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 44EE11A0159; Wed, 18 Sep 2019 08:48:42 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 0435E1A025F; Wed, 18 Sep 2019 08:48:35 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 01801402A8; Wed, 18 Sep 2019 14:48:25 +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 2/4] ASoC: fsl_asrc: update supported sample format Date: Wed, 18 Sep 2019 14:46:49 +0800 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" The ASRC support 24bit/16bit/8bit input width, which is data width, not slot width. For the S20_3LE format, the data with is 20bit, slot width is 24bit, if we set ASRMCR1n.IWD to be 24bits, the result is the volume is lower than expected, it likes 24bit data right shift 4 bits So replace S20_3LE with S24_3LE in supported list and add S8 format in TX supported list Signed-off-by: Shengjiu Wang --- sound/soc/fsl/fsl_asrc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 4d3804a1ea55..584badf956d2 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -624,7 +624,7 @@ static int fsl_asrc_dai_probe(struct snd_soc_dai *dai) #define FSL_ASRC_FORMATS (SNDRV_PCM_FMTBIT_S24_LE | \ SNDRV_PCM_FMTBIT_S16_LE | \ - SNDRV_PCM_FMTBIT_S20_3LE) + SNDRV_PCM_FMTBIT_S24_3LE) static struct snd_soc_dai_driver fsl_asrc_dai = { .probe = fsl_asrc_dai_probe, @@ -635,7 +635,8 @@ static struct snd_soc_dai_driver fsl_asrc_dai = { .rate_min = 5512, .rate_max = 192000, .rates = SNDRV_PCM_RATE_KNOT, - .formats = FSL_ASRC_FORMATS, + .formats = FSL_ASRC_FORMATS | + SNDRV_PCM_FMTBIT_S8, }, .capture = { .stream_name = "ASRC-Capture", From patchwork Wed Sep 18 06:46:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 1163779 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 46Y9pg03Q6z9sCJ for ; Wed, 18 Sep 2019 17:00:10 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 46Y9pf3mHszF4VX for ; Wed, 18 Sep 2019 17:00:10 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nxp.com (client-ip=92.121.34.21; helo=inva021.nxp.com; envelope-from=shengjiu.wang@nxp.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 46Y9YV6XsQzF11r for ; Wed, 18 Sep 2019 16:48:46 +1000 (AEST) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id D5B4B20025F; Wed, 18 Sep 2019 08:48:43 +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 609E2200231; Wed, 18 Sep 2019 08:48:36 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 664FF402D0; Wed, 18 Sep 2019 14:48:27 +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 3/4] ASoC: pcm_dmaengine: Extract snd_dmaengine_pcm_set_runtime_hwparams Date: Wed, 18 Sep 2019 14:46:50 +0800 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" When set the runtime hardware parameters, we may need to query the capability of DMA to complete the parameters. This patch is to Extract this operation from dmaengine_pcm_set_runtime_hwparams function to a separate function snd_dmaengine_pcm_set_runtime_hwparams, that other components which need this feature can call this function. Signed-off-by: Shengjiu Wang --- include/sound/dmaengine_pcm.h | 5 ++ sound/core/pcm_dmaengine.c | 83 +++++++++++++++++++++++++++ sound/soc/soc-generic-dmaengine-pcm.c | 62 ++------------------ 3 files changed, 92 insertions(+), 58 deletions(-) diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h index c679f6116580..1bcbc4d2bc6f 100644 --- a/include/sound/dmaengine_pcm.h +++ b/include/sound/dmaengine_pcm.h @@ -83,6 +83,11 @@ void snd_dmaengine_pcm_set_config_from_dai_data( const struct snd_dmaengine_dai_dma_data *dma_data, struct dma_slave_config *config); +int snd_dmaengine_pcm_set_runtime_hwparams( + struct snd_pcm_substream *substream, + struct snd_dmaengine_dai_dma_data *dma_data, + struct snd_pcm_hardware *hw, + struct dma_chan *chan); /* * Try to request the DMA channel using compat_request_channel or diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c index 89a05926ac73..c9d56a12164d 100644 --- a/sound/core/pcm_dmaengine.c +++ b/sound/core/pcm_dmaengine.c @@ -369,4 +369,87 @@ int snd_dmaengine_pcm_close_release_chan(struct snd_pcm_substream *substream) } EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_close_release_chan); +/** + * snd_dmaengine_pcm_set_runtime_hwparams - Set runtime hw params + * @substream: PCM substream + * @dma_data: DAI DMA data + * @hw: PCM hw params + * @chan: DMA channel to use for data transfers + * + * Returns 0 on success, a negative error code otherwise. + * + * This function will query DMA capability, then refine the pcm hardware + * parameters, finally set substream runtime hardware parameters. + */ +int snd_dmaengine_pcm_set_runtime_hwparams( + struct snd_pcm_substream *substream, + struct snd_dmaengine_dai_dma_data *dma_data, + struct snd_pcm_hardware *hw, + struct dma_chan *chan) +{ + struct dma_slave_caps dma_caps; + u32 addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | + BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | + BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); + snd_pcm_format_t i; + int ret; + + if (!hw || !chan || !dma_data) + return -EINVAL; + + ret = dma_get_slave_caps(chan, &dma_caps); + if (ret == 0) { + if (dma_caps.cmd_pause && dma_caps.cmd_resume) + hw->info |= SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME; + if (dma_caps.residue_granularity <= DMA_RESIDUE_GRANULARITY_SEGMENT) + hw->info |= SNDRV_PCM_INFO_BATCH; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + addr_widths = dma_caps.dst_addr_widths; + else + addr_widths = dma_caps.src_addr_widths; + } + + /* + * If SND_DMAENGINE_PCM_DAI_FLAG_PACK is set keep + * hw.formats set to 0, meaning no restrictions are in place. + * In this case it's the responsibility of the DAI driver to + * provide the supported format information. + */ + if (!(dma_data->flags & SND_DMAENGINE_PCM_DAI_FLAG_PACK)) + /* + * Prepare formats mask for valid/allowed sample types. If the + * dma does not have support for the given physical word size, + * it needs to be masked out so user space can not use the + * format which produces corrupted audio. + * In case the dma driver does not implement the slave_caps the + * default assumption is that it supports 1, 2 and 4 bytes + * widths. + */ + for (i = SNDRV_PCM_FORMAT_FIRST; i <= SNDRV_PCM_FORMAT_LAST; i++) { + int bits = snd_pcm_format_physical_width(i); + + /* + * Enable only samples with DMA supported physical + * widths + */ + switch (bits) { + case 8: + case 16: + case 24: + case 32: + case 64: + if (addr_widths & (1 << (bits / 8))) + hw->formats |= pcm_format_to_bits(i); + break; + default: + /* Unsupported types */ + break; + } + } + + return snd_soc_set_runtime_hwparams(substream, hw); +} +EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_set_runtime_hwparams); + MODULE_LICENSE("GPL"); diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c index 748f5f641002..1dadba2d0cdd 100644 --- a/sound/soc/soc-generic-dmaengine-pcm.c +++ b/sound/soc/soc-generic-dmaengine-pcm.c @@ -118,13 +118,7 @@ static int dmaengine_pcm_set_runtime_hwparams(struct snd_pcm_substream *substrea struct device *dma_dev = dmaengine_dma_dev(pcm, substream); struct dma_chan *chan = pcm->chan[substream->stream]; struct snd_dmaengine_dai_dma_data *dma_data; - struct dma_slave_caps dma_caps; struct snd_pcm_hardware hw; - u32 addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | - BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | - BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); - snd_pcm_format_t i; - int ret; if (pcm->config && pcm->config->pcm_hardware) return snd_soc_set_runtime_hwparams(substream, @@ -145,58 +139,10 @@ static int dmaengine_pcm_set_runtime_hwparams(struct snd_pcm_substream *substrea if (pcm->flags & SND_DMAENGINE_PCM_FLAG_NO_RESIDUE) hw.info |= SNDRV_PCM_INFO_BATCH; - ret = dma_get_slave_caps(chan, &dma_caps); - if (ret == 0) { - if (dma_caps.cmd_pause && dma_caps.cmd_resume) - hw.info |= SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME; - if (dma_caps.residue_granularity <= DMA_RESIDUE_GRANULARITY_SEGMENT) - hw.info |= SNDRV_PCM_INFO_BATCH; - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - addr_widths = dma_caps.dst_addr_widths; - else - addr_widths = dma_caps.src_addr_widths; - } - - /* - * If SND_DMAENGINE_PCM_DAI_FLAG_PACK is set keep - * hw.formats set to 0, meaning no restrictions are in place. - * In this case it's the responsibility of the DAI driver to - * provide the supported format information. - */ - if (!(dma_data->flags & SND_DMAENGINE_PCM_DAI_FLAG_PACK)) - /* - * Prepare formats mask for valid/allowed sample types. If the - * dma does not have support for the given physical word size, - * it needs to be masked out so user space can not use the - * format which produces corrupted audio. - * In case the dma driver does not implement the slave_caps the - * default assumption is that it supports 1, 2 and 4 bytes - * widths. - */ - for (i = SNDRV_PCM_FORMAT_FIRST; i <= SNDRV_PCM_FORMAT_LAST; i++) { - int bits = snd_pcm_format_physical_width(i); - - /* - * Enable only samples with DMA supported physical - * widths - */ - switch (bits) { - case 8: - case 16: - case 24: - case 32: - case 64: - if (addr_widths & (1 << (bits / 8))) - hw.formats |= pcm_format_to_bits(i); - break; - default: - /* Unsupported types */ - break; - } - } - - return snd_soc_set_runtime_hwparams(substream, &hw); + return snd_dmaengine_pcm_set_runtime_hwparams(substream, + dma_data, + &hw, + chan); } static int dmaengine_pcm_open(struct snd_pcm_substream *substream) 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: 1163780 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 46Y9sc6Vwrz9sCJ for ; Wed, 18 Sep 2019 17:02:44 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 46Y9sc47GNzF4Y6 for ; Wed, 18 Sep 2019 17:02:44 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nxp.com (client-ip=92.121.34.21; helo=inva021.nxp.com; envelope-from=shengjiu.wang@nxp.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 46Y9YX42HJzF0wt for ; Wed, 18 Sep 2019 16:48:48 +1000 (AEST) 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 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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(-) 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; }