From patchwork Wed Oct 26 13:50:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cezary Rojewski X-Patchwork-Id: 13020640 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 8F84EC38A2D for ; Wed, 26 Oct 2022 13:36:12 +0000 (UTC) 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 C462E1FA8; Wed, 26 Oct 2022 15:35:20 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz C462E1FA8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1666791370; bh=dpLGzQwfKrcRxmPSfAVJZ6u4CmLx7kxAQIL3CRVd5hQ=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=PvShN5bmZXW4On5WSp81LWhURQQbaUON127xPbzEmvFRWzj8YxFKfPOnV/cfPxd2s 8b5rgWGCpoTFZ9rPQV8LDfLXfdTD7J1ugsntlfgAf6/MycdGe/TCDCw7J8jrEf871d nOhFRn28sjpz/+ujddIxBvai8Qw8T9UZyxtdrnuE= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id ECCC7F80567; Wed, 26 Oct 2022 15:34:08 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 589E0F8057E; Wed, 26 Oct 2022 15:34:07 +0200 (CEST) Received: from mga17.intel.com (mga17.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 B2AB1F80567 for ; Wed, 26 Oct 2022 15:34:00 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz B2AB1F80567 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="i0KlzG1a" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666791241; x=1698327241; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dpLGzQwfKrcRxmPSfAVJZ6u4CmLx7kxAQIL3CRVd5hQ=; b=i0KlzG1a+aEf/EjL9wzfhO5cRMCpJRXOjt0FvIqO4gZvmtA9HVZqxIrU BAFjdEZ/nXHlrHSME6UposnMLz61XFzmBdFJ+oKSqTKdpposiOWjl34c7 vRIte73JuPuazrPvqwTcRSJZjK4GvvSdoruFf0ke3b/uofyqF5RHDqUNz RCPp+hbvPQ1Xs1u+6uSD2Lc8VJhA1erXlR99rXIMTOx2q3yKrH50RTQxJ ZwCVooAX6KJDBA+LlGJ+0F0dFma4UgtleMshpf8HNSql6dfQrFh7QeV0y 8eafm62pmTdm2NFQ9xVZ+h0RBRtWgHRVZ333ZRiwAYwerws0q4zVvabNY g==; X-IronPort-AV: E=McAfee;i="6500,9779,10512"; a="288340773" X-IronPort-AV: E=Sophos;i="5.95,214,1661842800"; d="scan'208";a="288340773" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Oct 2022 06:33:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10512"; a="609952723" X-IronPort-AV: E=Sophos;i="5.95,214,1661842800"; d="scan'208";a="609952723" Received: from crojewsk-ctrl.igk.intel.com ([10.102.9.28]) by orsmga006.jf.intel.com with ESMTP; 26 Oct 2022 06:33:40 -0700 From: Cezary Rojewski To: alsa-devel@alsa-project.org, broonie@kernel.org Subject: [PATCH v2 7/9] ASoC: Intel: avs: Standby power-state support Date: Wed, 26 Oct 2022 15:50:12 +0200 Message-Id: <20221026135014.1403705-8-cezary.rojewski@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221026135014.1403705-1-cezary.rojewski@intel.com> References: <20221026135014.1403705-1-cezary.rojewski@intel.com> MIME-Version: 1.0 Cc: Cezary Rojewski , tiwai@suse.com, Piotr Maziarz , pierre-louis.bossart@linux.intel.com, hdegoede@redhat.com, amadeuszx.slawinski@linux.intel.com 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: Piotr Maziarz Introduce avs_suspend_standby() and avs_resume_standby() to support S0IX streaming. The AudioDSP is not shutdown during such scenario and the PCI device is armed for possible wake operation through an audio event. As capability for a stream to be active during low power S0 is based off of ->ignore_suspend, adjust the field's value according to platform capabilities if needed. Signed-off-by: Piotr Maziarz Signed-off-by: Cezary Rojewski --- sound/soc/intel/avs/avs.h | 7 ++++ sound/soc/intel/avs/core.c | 75 ++++++++++++++++++++++++++++++---- sound/soc/intel/avs/topology.c | 10 +++++ 3 files changed, 85 insertions(+), 7 deletions(-) diff --git a/sound/soc/intel/avs/avs.h b/sound/soc/intel/avs/avs.h index fb73d207697f..8d05b27608fe 100644 --- a/sound/soc/intel/avs/avs.h +++ b/sound/soc/intel/avs/avs.h @@ -24,6 +24,13 @@ struct avs_tplg_library; struct avs_soc_component; struct avs_ipc_msg; +#ifdef CONFIG_ACPI +#define AVS_S0IX_SUPPORTED \ + (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) +#else +#define AVS_S0IX_SUPPORTED false +#endif + /* * struct avs_dsp_ops - Platform-specific DSP operations * diff --git a/sound/soc/intel/avs/core.c b/sound/soc/intel/avs/core.c index 0aaded90a99a..6b68d926c9f4 100644 --- a/sound/soc/intel/avs/core.c +++ b/sound/soc/intel/avs/core.c @@ -534,12 +534,30 @@ static void avs_pci_remove(struct pci_dev *pci) pm_runtime_get_noresume(&pci->dev); } -static int __maybe_unused avs_suspend_common(struct avs_dev *adev) +static int avs_suspend_standby(struct avs_dev *adev) +{ + struct hdac_bus *bus = &adev->base.core; + struct pci_dev *pci = adev->base.pci; + + if (bus->cmd_dma_state) + snd_hdac_bus_stop_cmd_io(bus); + + snd_hdac_ext_bus_link_power_down_all(bus); + + enable_irq_wake(pci->irq); + pci_save_state(pci); + + return 0; +} + +static int __maybe_unused avs_suspend_common(struct avs_dev *adev, bool low_power) { struct hdac_bus *bus = &adev->base.core; int ret; flush_work(&adev->probe_work); + if (low_power && adev->num_lp_paths) + return avs_suspend_standby(adev); snd_hdac_ext_bus_link_power_down_all(bus); @@ -577,11 +595,30 @@ static int __maybe_unused avs_suspend_common(struct avs_dev *adev) return 0; } -static int __maybe_unused avs_resume_common(struct avs_dev *adev, bool purge) +static int avs_resume_standby(struct avs_dev *adev) +{ + struct hdac_bus *bus = &adev->base.core; + struct pci_dev *pci = adev->base.pci; + + pci_restore_state(pci); + disable_irq_wake(pci->irq); + + snd_hdac_ext_bus_link_power_up_all(bus); + + if (bus->cmd_dma_state) + snd_hdac_bus_init_cmd_io(bus); + + return 0; +} + +static int __maybe_unused avs_resume_common(struct avs_dev *adev, bool low_power, bool purge) { struct hdac_bus *bus = &adev->base.core; int ret; + if (low_power && adev->num_lp_paths) + return avs_resume_standby(adev); + snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, true); avs_hdac_bus_init_chip(bus, true); @@ -599,26 +636,50 @@ static int __maybe_unused avs_resume_common(struct avs_dev *adev, bool purge) static int __maybe_unused avs_suspend(struct device *dev) { - return avs_suspend_common(to_avs_dev(dev)); + return avs_suspend_common(to_avs_dev(dev), true); } static int __maybe_unused avs_resume(struct device *dev) { - return avs_resume_common(to_avs_dev(dev), true); + return avs_resume_common(to_avs_dev(dev), true, true); } static int __maybe_unused avs_runtime_suspend(struct device *dev) { - return avs_suspend_common(to_avs_dev(dev)); + return avs_suspend_common(to_avs_dev(dev), true); } static int __maybe_unused avs_runtime_resume(struct device *dev) { - return avs_resume_common(to_avs_dev(dev), true); + return avs_resume_common(to_avs_dev(dev), true, false); +} + +static int __maybe_unused avs_freeze(struct device *dev) +{ + return avs_suspend_common(to_avs_dev(dev), false); +} +static int __maybe_unused avs_thaw(struct device *dev) +{ + return avs_resume_common(to_avs_dev(dev), false, true); +} + +static int __maybe_unused avs_poweroff(struct device *dev) +{ + return avs_suspend_common(to_avs_dev(dev), false); +} + +static int __maybe_unused avs_restore(struct device *dev) +{ + return avs_resume_common(to_avs_dev(dev), false, true); } static const struct dev_pm_ops avs_dev_pm = { - SET_SYSTEM_SLEEP_PM_OPS(avs_suspend, avs_resume) + .suspend = avs_suspend, + .resume = avs_resume, + .freeze = avs_freeze, + .thaw = avs_thaw, + .poweroff = avs_poweroff, + .restore = avs_restore, SET_RUNTIME_PM_OPS(avs_runtime_suspend, avs_runtime_resume, NULL) }; diff --git a/sound/soc/intel/avs/topology.c b/sound/soc/intel/avs/topology.c index 8a9f9fc48938..e845eaf0a1e7 100644 --- a/sound/soc/intel/avs/topology.c +++ b/sound/soc/intel/avs/topology.c @@ -1405,6 +1405,11 @@ static int avs_widget_load(struct snd_soc_component *comp, int index, if (!le32_to_cpu(dw->priv.size)) return 0; + if (w->ignore_suspend && !AVS_S0IX_SUPPORTED) { + dev_info_once(comp->dev, "Device does not support S0IX, check BIOS settings\n"); + w->ignore_suspend = false; + } + tplg = acomp->tplg; mach = dev_get_platdata(comp->card->dev); @@ -1442,6 +1447,11 @@ static int avs_dai_load(struct snd_soc_component *comp, int index, static int avs_link_load(struct snd_soc_component *comp, int index, struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg) { + if (link->ignore_suspend && !AVS_S0IX_SUPPORTED) { + dev_info_once(comp->dev, "Device does not support S0IX, check BIOS settings\n"); + link->ignore_suspend = false; + } + if (!link->no_pcm) { /* Stream control handled by IPCs. */ link->nonatomic = true;