From patchwork Wed Jul 27 16:00:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Binding X-Patchwork-Id: 12930506 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 410B8C04A68 for ; Wed, 27 Jul 2022 16:02:05 +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 8508A1634; Wed, 27 Jul 2022 18:01:13 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 8508A1634 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1658937723; bh=1on1wku8E9H2UB7ZXdxX69yLEbTPcBh8qr1RiUY1QW0=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=veriSfLxOzFjqOx9EaSIZT9a7EDwzNWSo3v87rQDeJnZYXrkdMKWnL2CLneRH3kcF bSYZixmXHe88GLtu91+WJZ0mbH7lvr7IqDs2XS8nSb7I6D98OKBRkSSzvvXoh+Qoux 3roaghFjjECXPvCnWnkmc6td0MRw4101XiQsJBOM= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id A5C31F80155; Wed, 27 Jul 2022 18:01:12 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id DF382F800C9; Wed, 27 Jul 2022 18:01:10 +0200 (CEST) Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) (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 EE016F800C9 for ; Wed, 27 Jul 2022 18:01:00 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz EE016F800C9 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b="SaRP8vd/" Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 26R4fJsV006636; Wed, 27 Jul 2022 11:00:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=PODMain02222019; bh=+PQw3busqBkk59dCK7o0jRl+GcaN0sL9tWpcJFAGrfE=; b=SaRP8vd/15l6hMuH1Sz0jss1ROAT2ZuujUdyCBG1CtilILevvOWz4CTArnE/gVBXez0v 43pBjxfs0NrZ0/9mabJWctGid2945YAOt4lvmOYKKwmd05Uk1xWVbIVBX+NC4VgnfLJU WceMJcL9khWhPSprDadU38tnBdbz32jQ7fmTEM81Qd9F/Tq6kKPjWJFHT2H1G7eCAt0o EEtXPEKxMzqg3WeMtcAqB9Ft0GYWfsm1xBWhoTH2EG+HTDn6hSUpPZtGnG2P5XY2Q+sj lvcTANR+lHetbOacf6hoqfMtikYBcLo/dQ/kUYP08EmrToWCkSXq7dEXIX2PcJJ4y0// Cw== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3hgddp54q4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 27 Jul 2022 11:00:55 -0500 Received: from ediex01.ad.cirrus.com (198.61.84.80) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.9; Wed, 27 Jul 2022 11:00:54 -0500 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.2.1118.9 via Frontend Transport; Wed, 27 Jul 2022 11:00:54 -0500 Received: from sbinding-cirrus-dsktp2.ad.cirrus.com (unknown [198.90.202.160]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 713292D4; Wed, 27 Jul 2022 16:00:53 +0000 (UTC) From: Stefan Binding To: Mark Brown , Liam Girdwood , Pierre-Louis Bossart , Brent Lu , xliu Subject: [PATCH v2] ASoC: Intel: cirrus-common: Use UID to map correct amp to prefix Date: Wed, 27 Jul 2022 17:00:51 +0100 Message-ID: <20220727160051.3373125-1-sbinding@opensource.cirrus.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Proofpoint-GUID: d8dJn7FSCFucxiSrBEWL58PTrABkuQNk X-Proofpoint-ORIG-GUID: d8dJn7FSCFucxiSrBEWL58PTrABkuQNk X-Proofpoint-Spam-Reason: safe Cc: Vitaly Rodionov , patches@opensource.cirrus.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Stefan Binding 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" Since the order of the amps in the ACPI determines the device name, and the ACPI order may change depending on hardware configuration, use UID to dynamically compute the dai links, allowing dynamic assignment of the name_prefix. The UIDs for these amps in ACPI are fixed, and map to a name_prefix, where: UID 0x0 -> WL UID 0x1 -> WR UID 0x2 -> TL UID 0x3 -> TR Signed-off-by: Stefan Binding Signed-off-by: Vitaly Rodionov --- sound/soc/intel/boards/sof_cirrus_common.c | 89 +++++++++++----------- 1 file changed, 46 insertions(+), 43 deletions(-) diff --git a/sound/soc/intel/boards/sof_cirrus_common.c b/sound/soc/intel/boards/sof_cirrus_common.c index f4192df962d6..e74c4adbf2a5 100644 --- a/sound/soc/intel/boards/sof_cirrus_common.c +++ b/sound/soc/intel/boards/sof_cirrus_common.c @@ -10,6 +10,9 @@ #include "../../codecs/cs35l41.h" #include "sof_cirrus_common.h" +#define CS35L41_HID "CSC3541" +#define CS35L41_MAX_AMPS 4 + /* * Cirrus Logic CS35L41/CS35L53 */ @@ -35,50 +38,12 @@ static const struct snd_soc_dapm_route cs35l41_dapm_routes[] = { {"TR Spk", NULL, "TR SPK"}, }; -static struct snd_soc_dai_link_component cs35l41_components[] = { - { - .name = CS35L41_DEV0_NAME, - .dai_name = CS35L41_CODEC_DAI, - }, - { - .name = CS35L41_DEV1_NAME, - .dai_name = CS35L41_CODEC_DAI, - }, - { - .name = CS35L41_DEV2_NAME, - .dai_name = CS35L41_CODEC_DAI, - }, - { - .name = CS35L41_DEV3_NAME, - .dai_name = CS35L41_CODEC_DAI, - }, -}; +static struct snd_soc_dai_link_component cs35l41_components[CS35L41_MAX_AMPS]; /* * Mapping between ACPI instance id and speaker position. - * - * Four speakers: - * 0: Tweeter left, 1: Woofer left - * 2: Tweeter right, 3: Woofer right */ -static struct snd_soc_codec_conf cs35l41_codec_conf[] = { - { - .dlc = COMP_CODEC_CONF(CS35L41_DEV0_NAME), - .name_prefix = "TL", - }, - { - .dlc = COMP_CODEC_CONF(CS35L41_DEV1_NAME), - .name_prefix = "WL", - }, - { - .dlc = COMP_CODEC_CONF(CS35L41_DEV2_NAME), - .name_prefix = "TR", - }, - { - .dlc = COMP_CODEC_CONF(CS35L41_DEV3_NAME), - .name_prefix = "WR", - }, -}; +static struct snd_soc_codec_conf cs35l41_codec_conf[CS35L41_MAX_AMPS]; static int cs35l41_init(struct snd_soc_pcm_runtime *rtd) { @@ -117,10 +82,10 @@ static int cs35l41_init(struct snd_soc_pcm_runtime *rtd) static const struct { unsigned int rx[2]; } cs35l41_channel_map[] = { - {.rx = {0, 1}}, /* TL */ {.rx = {0, 1}}, /* WL */ - {.rx = {1, 0}}, /* TR */ {.rx = {1, 0}}, /* WR */ + {.rx = {0, 1}}, /* TL */ + {.rx = {1, 0}}, /* TR */ }; static int cs35l41_hw_params(struct snd_pcm_substream *substream, @@ -175,10 +140,48 @@ static const struct snd_soc_ops cs35l41_ops = { .hw_params = cs35l41_hw_params, }; +static const char * const cs35l41_name_prefixes[] = { "WL", "WR", "TL", "TR" }; + +/* + * Expected UIDs are integers (stored as strings). + * UID Mapping is fixed: + * UID 0x0 -> WL + * UID 0x1 -> WR + * UID 0x2 -> TL + * UID 0x3 -> TR + * Note: If there are less than 4 Amps, UIDs still map to WL/WR/TL/TR. Dynamic code will only create + * dai links for UIDs which exist, and ignore non-existant ones. + * Return number of codecs found. + */ +static int cs35l41_compute_codec_conf(void) +{ + const char * const uid_strings[] = { "0", "1", "2", "3" }; + unsigned int uid, sz = 0; + struct acpi_device *adev; + struct device *physdev; + + for (uid = 0; uid < CS35L41_MAX_AMPS; uid++) { + adev = acpi_dev_get_first_match_dev(CS35L41_HID, uid_strings[uid], -1); + if (!adev) { + pr_warn("Cannot find match for HID %s UID %u (%s)\n", CS35L41_HID, uid, + cs35l41_name_prefixes[uid]); + continue; + } + physdev = get_device(acpi_get_first_physical_node(adev)); + cs35l41_components[sz].name = dev_name(physdev); + cs35l41_components[sz].dai_name = CS35L41_CODEC_DAI; + cs35l41_codec_conf[sz].dlc.name = dev_name(physdev); + cs35l41_codec_conf[sz].name_prefix = cs35l41_name_prefixes[uid]; + acpi_dev_put(adev); + sz++; + } + return sz; +} + void cs35l41_set_dai_link(struct snd_soc_dai_link *link) { + link->num_codecs = cs35l41_compute_codec_conf(); link->codecs = cs35l41_components; - link->num_codecs = ARRAY_SIZE(cs35l41_components); link->init = cs35l41_init; link->ops = &cs35l41_ops; }