From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5462C49ED7 for ; Mon, 16 Sep 2019 21:49:52 +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 5A605214AF for ; Mon, 16 Sep 2019 21:49:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="cxT+X07Y" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A605214AF 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 A7E2F165D; Mon, 16 Sep 2019 23:49:00 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz A7E2F165D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1568670590; bh=1ta71jtOv1Mru4ZxoYTKPK2U4ogjs5qvrXUR7i+sf2c=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=cxT+X07YnE6bZUdx1uxa7FECu0hiLJ7+MwYuFxc8dOs6Ts3L3Akds8x3LDHjZs/T7 k6jAdLtFYsYaCrh2LIFALPRu0ALvW0porZqMUpKt+Kgl8gXl/51Y9zetbg1OQlBV+9 HIaxpQBFqtqvon49Ug9/nomrZeenMmMX0w3Ldcbo= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 7CE75F8065B; Mon, 16 Sep 2019 23:44:00 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 04C84F80649; Mon, 16 Sep 2019 23:43:57 +0200 (CEST) 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 A916DF8063A for ; Mon, 16 Sep 2019 23:43:53 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz A916DF8063A X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Sep 2019 14:43:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,514,1559545200"; d="scan'208";a="198480056" Received: from dgitin-mobl.amr.corp.intel.com (HELO pbossart-mobl3.intel.com) ([10.251.142.45]) by orsmga002.jf.intel.com with ESMTP; 16 Sep 2019 14:43:51 -0700 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Date: Mon, 16 Sep 2019 16:42:47 -0500 Message-Id: <20190916214251.13130-9-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190916214251.13130-1-pierre-louis.bossart@linux.intel.com> References: <20190916214251.13130-1-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 , 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] [RFC PATCH 08/12] 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 | 65 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index f29c63039606..ee81b1c8d860 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -628,6 +628,69 @@ 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; + + name = kzalloc(32, GFP_KERNEL); + if (!name) + return -ENOMEM; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + snprintf(name, 32, "%s-Playback", dai->name); + else + snprintf(name, 32, "%s-Capture", dai->name); + + 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) @@ -807,6 +870,7 @@ 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, @@ -816,6 +880,7 @@ 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, -- 2.20.1 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel