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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0659BC433FE for ; Mon, 10 Oct 2022 00:19:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232462AbiJJATn (ORCPT ); Sun, 9 Oct 2022 20:19:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232331AbiJJASm (ORCPT ); Sun, 9 Oct 2022 20:18:42 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 17DB72B2; Sun, 9 Oct 2022 16:53:35 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4602060D3D; Sun, 9 Oct 2022 23:53:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 249D8C433D7; Sun, 9 Oct 2022 23:53:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665359613; bh=iRWAp7mT/u5ZsntRpuy7Qz6GdmF0Etd7XBAveRikPHo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U19v0ect21f4kGdpjnDbn+5a7mcNnaWVOvR6Yz7KHlsrkp2CEh2YrjKFItgA03Exn 06LYqe7aqe6HXx0xwwX2k3/Ns8pbq6cgpGwFyq5zZb6B36Gh6I2b5I9mLzyUBEbBTm jYAIO3dF3R6D6A/R87HBZqucj2jff1jKZcajTPyno+JOC4rufbVMWNDwhySAXglDmU EH4xomLCkhOIDf3PYYQLDLZBjB+dCZ7yCIn8VPWMoTXDmVUxo4D6+fdE5wtkJ/Lgr5 l4+q2QhlBdntfNICZXzCw5bDkqMoaVLJua2xxU9fUWgSikYn6DpA/Uwb4fazNUgM95 o26h8DD+Wzn1w== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Pierre-Louis Bossart , Kai Vehmanen , Bard Liao , Mark Brown , Sasha Levin , lgirdwood@gmail.com, peter.ujfalusi@linux.intel.com, ranjani.sridharan@linux.intel.com, daniel.baluta@nxp.com, perex@perex.cz, tiwai@suse.com, guennadi.liakhovetski@linux.intel.com, sound-open-firmware@alsa-project.org, alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 5.19 24/36] ASoC: SOF: add quirk to override topology mclk_id Date: Sun, 9 Oct 2022 19:52:10 -0400 Message-Id: <20221009235222.1230786-24-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221009235222.1230786-1-sashal@kernel.org> References: <20221009235222.1230786-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pierre-Louis Bossart [ Upstream commit d136949dd8e2e309dc2f186507486b71cbe9acdb ] Some Intel-based platforms rely on a topology file that hard-codes the use of MCLK0. This is incorrect in 10% of the cases. Rather than generating yet another set of topology files, this patch adds a kernel module parameter to override the topology value. In hindsight, we should never have allowed mclks to be specified in topology, this is a hardware-level information that should not have been visible in the topology. Future patches will try to set this value automagically, e.g. by parsing the NHLT content. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Kai Vehmanen Reviewed-by: Bard Liao Link: https://lore.kernel.org/r/20220919115350.43104-3-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/sof/intel/hda.c | 11 +++++++++++ sound/soc/sof/ipc3-topology.c | 7 +++++++ sound/soc/sof/sof-priv.h | 4 ++++ 3 files changed, 22 insertions(+) diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index 17f2f3a982c3..7d9e62ab9d0e 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -376,6 +376,10 @@ static int dmic_num_override = -1; module_param_named(dmic_num, dmic_num_override, int, 0444); MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number"); +static int mclk_id_override = -1; +module_param_named(mclk_id, mclk_id_override, int, 0444); +MODULE_PARM_DESC(mclk_id, "SOF SSP mclk_id"); + #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI); module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444); @@ -1433,6 +1437,13 @@ struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev) sof_pdata->tplg_filename = tplg_filename; } + + /* check if mclk_id should be modified from topology defaults */ + if (mclk_id_override >= 0) { + dev_info(sdev->dev, "Overriding topology with MCLK %d from kernel_parameter\n", mclk_id_override); + sdev->mclk_id_override = true; + sdev->mclk_id_quirk = mclk_id_override; + } } /* diff --git a/sound/soc/sof/ipc3-topology.c b/sound/soc/sof/ipc3-topology.c index e97f50d5bcba..b8ec302bc887 100644 --- a/sound/soc/sof/ipc3-topology.c +++ b/sound/soc/sof/ipc3-topology.c @@ -1233,6 +1233,7 @@ static int sof_link_afe_load(struct snd_soc_component *scomp, struct snd_sof_dai static int sof_link_ssp_load(struct snd_soc_component *scomp, struct snd_sof_dai_link *slink, struct sof_ipc_dai_config *config, struct snd_sof_dai *dai) { + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); struct snd_soc_tplg_hw_config *hw_config = slink->hw_configs; struct sof_dai_private_data *private = dai->private; u32 size = sizeof(*config); @@ -1257,6 +1258,12 @@ static int sof_link_ssp_load(struct snd_soc_component *scomp, struct snd_sof_dai config[i].hdr.size = size; + if (sdev->mclk_id_override) { + dev_dbg(scomp->dev, "tplg: overriding topology mclk_id %d by quirk %d\n", + config[i].ssp.mclk_id, sdev->mclk_id_quirk); + config[i].ssp.mclk_id = sdev->mclk_id_quirk; + } + /* copy differentiating hw configs to ipc structs */ config[i].ssp.mclk_rate = le32_to_cpu(hw_config[i].mclk_rate); config[i].ssp.bclk_rate = le32_to_cpu(hw_config[i].bclk_rate); diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h index f11f575fd1da..544e5be9d10e 100644 --- a/sound/soc/sof/sof-priv.h +++ b/sound/soc/sof/sof-priv.h @@ -585,6 +585,10 @@ struct snd_sof_dev { /* to protect the ipc_rx_handler_list and dsp_state_handler_list list */ struct mutex client_event_handler_mutex; + /* quirks to override topology values */ + bool mclk_id_override; + u16 mclk_id_quirk; /* same size as in IPC3 definitions */ + void *private; /* core does not touch this */ }; -- 2.35.1