From patchwork Sat Feb 15 01:47:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre-Louis Bossart X-Patchwork-Id: 11383691 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CE61D13A4 for ; Sat, 15 Feb 2020 01:51:18 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 652522081E for ; Sat, 15 Feb 2020 01:51:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="h31LQBFP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 652522081E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id AF33A167C; Sat, 15 Feb 2020 02:50:32 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz AF33A167C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1581731476; bh=V7zR8F6pHBFfni7KsldcdfdPbv9dfEfiw1avDfZntC0=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=h31LQBFPTZay32p6Ybge9haFYYwJzfm36t1dPF4JmzNWACqZXZlJ2g6eJuraZ2x6t C84Ix0pPAvsGR6edOgDMi+yuMbR1Pg0bPB6ZD3L+pkTv8uMFFgll3fRxA63gVNyLKg vh4KnL+WnIzTogLs8ual3VPPPedCzDRNv4BhIGso= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 913D7F8027D; Sat, 15 Feb 2020 02:48:09 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 90843F80260; Sat, 15 Feb 2020 02:48:02 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_NONE,SPF_NONE, SURBL_BLOCKED,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 1B1F0F80158 for ; Sat, 15 Feb 2020 02:47:57 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 1B1F0F80158 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Feb 2020 17:47:57 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,442,1574150400"; d="scan'208";a="434975983" Received: from gosalsar-mobl.amr.corp.intel.com (HELO pbossart-mobl3.amr.corp.intel.com) ([10.252.136.64]) by fmsmga006.fm.intel.com with ESMTP; 14 Feb 2020 17:47:55 -0800 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Date: Fri, 14 Feb 2020 19:47:39 -0600 Message-Id: <20200215014740.27580-5-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200215014740.27580-1-pierre-louis.bossart@linux.intel.com> References: <20200215014740.27580-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Cc: Pierre-Louis Bossart , tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Ranjani Sridharan , Hui Wang , vkoul@kernel.org, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, slawomir.blauciak@intel.com, Sanyog Kale , Bard liao , Rander Wang Subject: [alsa-devel] [PATCH v3 4/5] soundwire: intel: add sdw_stream_setup helper for .startup callback X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Rander Wang The sdw stream is allocated and stored in dai to share the sdw runtime information. Signed-off-by: Rander Wang Signed-off-by: Pierre-Louis Bossart --- drivers/soundwire/intel.c | 64 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 999aa2cd9fea..c498812522ab 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -617,6 +617,68 @@ static int intel_post_bank_switch(struct sdw_bus *bus) * DAI routines */ +static int sdw_stream_setup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct sdw_stream_runtime *sdw_stream = NULL; + char *name; + int i, ret; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + name = kasprintf(GFP_KERNEL, "%s-Playback", dai->name); + else + name = kasprintf(GFP_KERNEL, "%s-Capture", dai->name); + + if (!name) + return -ENOMEM; + + sdw_stream = sdw_alloc_stream(name); + if (!sdw_stream) { + dev_err(dai->dev, "alloc stream failed for DAI %s", dai->name); + ret = -ENOMEM; + goto error; + } + + /* Set stream pointer on CPU DAI */ + ret = snd_soc_dai_set_sdw_stream(dai, sdw_stream, substream->stream); + if (ret < 0) { + dev_err(dai->dev, "failed to set stream pointer on cpu dai %s", + dai->name); + goto release_stream; + } + + /* Set stream pointer on all CODEC DAIs */ + for (i = 0; i < rtd->num_codecs; i++) { + ret = snd_soc_dai_set_sdw_stream(rtd->codec_dais[i], sdw_stream, + substream->stream); + if (ret < 0) { + dev_err(dai->dev, "failed to set stream pointer on codec dai %s", + rtd->codec_dais[i]->name); + goto release_stream; + } + } + + return 0; + +release_stream: + sdw_release_stream(sdw_stream); +error: + kfree(name); + return ret; +} + +static int intel_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + /* + * TODO: add pm_runtime support here, the startup callback + * will make sure the IP is 'active' + */ + + return sdw_stream_setup(substream, dai); +} + static int intel_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) @@ -796,6 +858,7 @@ static int intel_pdm_set_sdw_stream(struct snd_soc_dai *dai, } static const struct snd_soc_dai_ops intel_pcm_dai_ops = { + .startup = intel_startup, .hw_params = intel_hw_params, .prepare = intel_prepare, .trigger = intel_trigger, @@ -805,6 +868,7 @@ static const struct snd_soc_dai_ops intel_pcm_dai_ops = { }; static const struct snd_soc_dai_ops intel_pdm_dai_ops = { + .startup = intel_startup, .hw_params = intel_hw_params, .prepare = intel_prepare, .trigger = intel_trigger,