From patchwork Mon Sep 25 14:06:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cezary Rojewski X-Patchwork-Id: 13397870 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 147E2CE7A96 for ; Mon, 25 Sep 2023 14:18:14 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 28CF3E0F; Mon, 25 Sep 2023 16:17:22 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 28CF3E0F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1695651492; bh=XtW1noqdh2AkhKEnR3mNGRm/gZQlpuYljnTPmEXTclQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=k1rKHFvDPhyTPMfB9aoCm65RSNPyfk64FYsT3gmOIIdm1ve42BZIeSEYa3etHXQsr RtpP23i4SBHAfq+jqVqGcsTxbM9LDZ7jZMln0R1PZE6zkY7u0lUY5qATgur/IxFtAc DGwgjDbna5P+dYgr/tH87+me4tXJ+ktxEHDYMn2M= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 77AA2F8057F; Mon, 25 Sep 2023 16:16:35 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id E27EAF8057A; Mon, 25 Sep 2023 16:16:34 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 1B4AFF80551; Mon, 25 Sep 2023 16:16:30 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.151]) (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 95FB6F8016A for ; Mon, 25 Sep 2023 16:16:20 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 95FB6F8016A Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=BLmDJpfn DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695651381; x=1727187381; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XtW1noqdh2AkhKEnR3mNGRm/gZQlpuYljnTPmEXTclQ=; b=BLmDJpfnYTBFG3tLBvoAfQIXXJrzUQGCNquWy85JqEv9DoZTfyq4JjGX TzQTxdlur2B1TXlJkqB4UiB+Xp3xto2ewyEWFZgv+Z9jdrtXL/8FGup1S LMKREYI7XklXP3ogGBHJJNdhmGhmlMZlIJjWyt69hq3ltv3dVUxzLukoE 62ajPN+lt+qZNBELGitWdu0hV3jXozSBnRTXrjBrYfkOwJGryBRFj8Ah0 d18tilyV4xuN8FVETVCX0XqUfi3/Rfj+cUsUu1Ks/SmKnUdA20r8B6BfP snu5fXsnDykYSWk+vzg1v3HpunX36OqCSkTuTuxF4cXBCIS/rK0HSo9PU A==; X-IronPort-AV: E=McAfee;i="6600,9927,10843"; a="361514128" X-IronPort-AV: E=Sophos;i="6.03,175,1694761200"; d="scan'208";a="361514128" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Sep 2023 07:07:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10843"; a="783508167" X-IronPort-AV: E=Sophos;i="6.03,175,1694761200"; d="scan'208";a="783508167" Received: from crojewsk-ctrl.igk.intel.com ([10.102.9.28]) by orsmga001.jf.intel.com with ESMTP; 25 Sep 2023 07:07:28 -0700 From: Cezary Rojewski To: broonie@kernel.org, tiwai@suse.com Cc: alsa-devel@alsa-project.org, perex@perex.cz, amadeuszx.slawinski@linux.intel.com, pierre-louis.bossart@linux.intel.com, hdegoede@redhat.com, Cezary Rojewski Subject: [PATCH v2 2/4] ALSA: hda: Introduce HOST stream setup mechanism Date: Mon, 25 Sep 2023 16:06:14 +0200 Message-Id: <20230925140616.26892-3-cezary.rojewski@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230925140616.26892-1-cezary.rojewski@intel.com> References: <20230925140616.26892-1-cezary.rojewski@intel.com> MIME-Version: 1.0 Message-ID-Hash: GHH742NHZMQEV66SIZVNBBJGSLFCO77Y X-Message-ID-Hash: GHH742NHZMQEV66SIZVNBBJGSLFCO77Y X-MailFrom: cezary.rojewski@intel.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: HDAudio stream setup procedure differs between revisions of the controller device. Currently the differences are handled directly within AudioDSP platform drivers with if-statements. Implement a more generic approach and expose a function that a platform driver may use to ensure the correct procedure is followed each time. Signed-off-by: Cezary Rojewski --- include/sound/hdaudio_ext.h | 3 +++ sound/hda/ext/hdac_ext_stream.c | 41 +++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h index 511211f4a2b6..d32959cb71d2 100644 --- a/include/sound/hdaudio_ext.h +++ b/include/sound/hdaudio_ext.h @@ -60,6 +60,8 @@ struct hdac_ext_stream { bool link_locked:1; bool link_prepared; + int (*host_setup)(struct hdac_stream *); + struct snd_pcm_substream *link_substream; }; @@ -86,6 +88,7 @@ void snd_hdac_ext_stream_start(struct hdac_ext_stream *hext_stream); void snd_hdac_ext_stream_clear(struct hdac_ext_stream *hext_stream); void snd_hdac_ext_stream_reset(struct hdac_ext_stream *hext_stream); int snd_hdac_ext_stream_setup(struct hdac_ext_stream *hext_stream, int fmt); +int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream); struct hdac_ext_link { struct hdac_bus *bus; diff --git a/sound/hda/ext/hdac_ext_stream.c b/sound/hda/ext/hdac_ext_stream.c index 11b7119cc47e..f12fe348b9fc 100644 --- a/sound/hda/ext/hdac_ext_stream.c +++ b/sound/hda/ext/hdac_ext_stream.c @@ -10,12 +10,45 @@ */ #include +#include +#include #include #include #include #include #include +/** + * snd_hdac_ext_host_stream_setup - Setup a HOST stream. + * @hext_stream - HDAudio stream to set up. + * + * Return: Zero on success or negative error code. + */ +int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream) +{ + return hext_stream->host_setup(hdac_stream(hext_stream)); +} +EXPORT_SYMBOL_GPL(snd_hdac_ext_host_stream_setup); + +/** + * snd_hdac_apl_host_stream_setup - Setup a HOST stream following procedure + * recommended for ApolloLake devices. + * @hstream - HDAudio stream to set up. + * + * Return: Zero on success or negative error code. + */ +static int snd_hdac_apl_host_stream_setup(struct hdac_stream *hstream) +{ + struct hdac_ext_stream *hext_stream = stream_to_hdac_ext_stream(hstream); + int ret; + + snd_hdac_ext_stream_decouple(hstream->bus, hext_stream, false); + ret = snd_hdac_stream_setup(hstream); + snd_hdac_ext_stream_decouple(hstream->bus, hext_stream, true); + + return ret; +} + /** * snd_hdac_ext_stream_init - initialize each stream (aka device) * @bus: HD-audio core bus @@ -55,9 +88,16 @@ static void snd_hdac_ext_stream_init(struct hdac_bus *bus, int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx, int num_stream, int dir) { + struct pci_dev *pci = to_pci_dev(bus->dev); + int (*setup_op)(struct hdac_stream *); int stream_tag = 0; int i, tag, idx = start_idx; + if (pci->device == PCI_DEVICE_ID_INTEL_HDA_APL) + setup_op = snd_hdac_apl_host_stream_setup; + else + setup_op = snd_hdac_stream_setup; + for (i = 0; i < num_stream; i++) { struct hdac_ext_stream *hext_stream = kzalloc(sizeof(*hext_stream), GFP_KERNEL); @@ -66,6 +106,7 @@ int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx, tag = ++stream_tag; snd_hdac_ext_stream_init(bus, hext_stream, idx, dir, tag); idx++; + hext_stream->host_setup = setup_op; } return 0;