From nobody Sat Feb 7 11:15:50 2026 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 D1C60C636D6 for ; Fri, 17 Feb 2023 16:14:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230520AbjBQQOp (ORCPT ); Fri, 17 Feb 2023 11:14:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230468AbjBQQOc (ORCPT ); Fri, 17 Feb 2023 11:14:32 -0500 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F60F711A3 for ; Fri, 17 Feb 2023 08:14:29 -0800 (PST) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 31HFh1JQ028722; Fri, 17 Feb 2023 10:14:16 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=PODMain02222019; bh=Ht2/O3ebDaPae4TLLZNIuvgSojUYziL/Ut/LvqsNiEw=; b=hsApAvKbQksJfawDNH9ri6stdFFXqIf50zFhDHoXnM0KGMIwQu0GHxTIg5EO6HERfvZ5 Gip8jFTk3b6Rzr84k9srHPUHb12SMEvfsWWxPGB/BbJRcHobNlWIEvqO6XSUmgIylClg yd7LF8LpBei0FMVz6PEwn6wctp45Sv+XNH14WFSYezbMHF093vlbZ+ZysDOE5l/ZkMRN HFCCMFz5GYjWHiutmksC7HOMSgeqFjyq6stxxaouikhRMkdWPaZvXfXHI/2xE4wxw9ca VrgVCs57EpSZgnOQv5bbwYrW+4qI8OztTlVTpc0qqI6g+v224cMFLfBHAJeppr84t1Nz /g== Received: from ediex02.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3nt1btgsph-6 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 17 Feb 2023 10:14:16 -0600 Received: from ediex02.ad.cirrus.com (198.61.84.81) by ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.21; Fri, 17 Feb 2023 10:14:10 -0600 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by anon-ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server id 15.2.1118.21 via Frontend Transport; Fri, 17 Feb 2023 10:14:10 -0600 Received: from edi-sw-dsktp-006.ad.cirrus.com (edi-sw-dsktp-006.ad.cirrus.com [198.90.251.127]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id D62B211AD; Fri, 17 Feb 2023 16:14:10 +0000 (UTC) From: Richard Fitzgerald To: , , , , , CC: , , , Richard Fitzgerald Subject: [PATCH 09/10] ASoC: Intel: sof_sdw: Add support for Cirrus Logic CS35L56 Date: Fri, 17 Feb 2023 16:14:09 +0000 Message-ID: <20230217161410.915202-10-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230217161410.915202-1-rf@opensource.cirrus.com> References: <20230217161410.915202-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: nCH5A9e22-gAo9qKOQuaYJTqA43WX6G9 X-Proofpoint-GUID: nCH5A9e22-gAo9qKOQuaYJTqA43WX6G9 X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The CS35L56 is a high-performance mono boosted audio amplifier. This patch adds the initialization for one, two or four amps. All amps receive the same 2-channel (stereo) audio. Left/right channel-to-speaker mapping is not fixed. The CS35L56 on-board DSP adjusts the mapping based on current posture (orientation). Each CS35L56 has 6 feedback channels for monitoring but to remain within limited SoundWire bandwidth only one channel per amp is enabled. Signed-off-by: Richard Fitzgerald --- MAINTAINERS | 1 + sound/soc/intel/boards/Kconfig | 1 + sound/soc/intel/boards/Makefile | 1 + sound/soc/intel/boards/sof_sdw.c | 7 ++ sound/soc/intel/boards/sof_sdw_common.h | 7 ++ sound/soc/intel/boards/sof_sdw_cs35l56.c | 115 +++++++++++++++++++++++ 6 files changed, 132 insertions(+) create mode 100644 sound/soc/intel/boards/sof_sdw_cs35l56.c diff --git a/MAINTAINERS b/MAINTAINERS index 3d7aaa42b854..c40bae5e90ea 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5039,6 +5039,7 @@ F: include/sound/cs* F: sound/pci/hda/cs* F: sound/pci/hda/hda_cs_dsp_ctl.* F: sound/soc/codecs/cs* +F: sound/soc/intel/boards/sof_sdw_cs35l56.c =20 CIRRUS LOGIC DSP FIRMWARE DRIVER M: Simon Trimmer diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig index 99308ed85277..3e483bbf3ebe 100644 --- a/sound/soc/intel/boards/Kconfig +++ b/sound/soc/intel/boards/Kconfig @@ -662,6 +662,7 @@ config SND_SOC_INTEL_SOUNDWIRE_SOF_MACH depends on MFD_INTEL_LPSS || COMPILE_TEST depends on SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES || COMPILE_TEST depends on SOUNDWIRE + select SND_SOC_CS35L56_SDW select SND_SOC_MAX98373_I2C select SND_SOC_MAX98373_SDW select SND_SOC_RT700_SDW diff --git a/sound/soc/intel/boards/Makefile b/sound/soc/intel/boards/Makef= ile index d1fd7a2b32db..64e37f8e4a4b 100644 --- a/sound/soc/intel/boards/Makefile +++ b/sound/soc/intel/boards/Makefile @@ -37,6 +37,7 @@ snd-soc-sof_da7219_max98373-objs :=3D sof_da7219_max98373= .o snd-soc-ehl-rt5660-objs :=3D ehl_rt5660.o snd-soc-sof-ssp-amp-objs :=3D sof_ssp_amp.o snd-soc-sof-sdw-objs +=3D sof_sdw.o \ + sof_sdw_cs35l56.o \ sof_sdw_max98373.o sof_sdw_rt_amp.o \ sof_sdw_rt5682.o sof_sdw_rt700.o \ sof_sdw_rt711.o sof_sdw_rt711_sdca.o \ diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_= sdw.c index d2ed807abde9..6c679b4b963f 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -544,6 +544,13 @@ static struct sof_sdw_codec_info codec_info_list[] =3D= { .exit =3D sof_sdw_rt711_exit, .codec_type =3D SOF_SDW_CODEC_TYPE_JACK, }, + { + .part_id =3D 0x3556, + .direction =3D {true, true}, + .dai_name =3D "cs35l56-sdw1", + .init =3D sof_sdw_cs35l56_init, + .codec_type =3D SOF_SDW_CODEC_TYPE_AMP, + }, { .part_id =3D 0x1308, .acpi_id =3D "10EC1308", diff --git a/sound/soc/intel/boards/sof_sdw_common.h b/sound/soc/intel/boar= ds/sof_sdw_common.h index 350010b0e5f4..1bb8e4a34c56 100644 --- a/sound/soc/intel/boards/sof_sdw_common.h +++ b/sound/soc/intel/boards/sof_sdw_common.h @@ -102,6 +102,13 @@ int sof_sdw_hdmi_card_late_probe(struct snd_soc_card *= card); /* DMIC support */ int sof_sdw_dmic_init(struct snd_soc_pcm_runtime *rtd); =20 +/* CS35L56 support */ +int sof_sdw_cs35l56_init(struct snd_soc_card *card, + const struct snd_soc_acpi_link_adr *link, + struct snd_soc_dai_link *dai_links, + struct sof_sdw_codec_info *info, + bool playback); + /* RT711 support */ int sof_sdw_rt711_init(struct snd_soc_card *card, const struct snd_soc_acpi_link_adr *link, diff --git a/sound/soc/intel/boards/sof_sdw_cs35l56.c b/sound/soc/intel/boa= rds/sof_sdw_cs35l56.c new file mode 100644 index 000000000000..b862567fd9e2 --- /dev/null +++ b/sound/soc/intel/boards/sof_sdw_cs35l56.c @@ -0,0 +1,115 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Based on sof_sdw_rt5682.c +// Copyright (c) 2020 Intel Corporation + +/* + * sof_sdw_cs35l56 - Helpers to handle CS35L56 from generic machine driver + */ + +#include +#include +#include +#include +#include +#include "sof_sdw_common.h" + +static const struct snd_soc_dapm_widget cs35l56_sof_widgets[] =3D { + SND_SOC_DAPM_SPK("Speaker", NULL), + SND_SOC_DAPM_LINE("Monitor", NULL), +}; + +static const struct snd_soc_dapm_route cs35l56_sof_map[] =3D { + { "Speaker", NULL, "AMP1 SPK" }, + { "Speaker", NULL, "AMP2 SPK" }, + { "Speaker", NULL, "AMP3 SPK" }, + { "Speaker", NULL, "AMP4 SPK" }, +}; + +static int cs35l56_init_multiple(struct snd_soc_pcm_runtime *rtd, int coun= t) +{ + struct snd_soc_card *card =3D rtd->card; + struct snd_soc_dai *codec_dai; + int i, ret; + + card->components =3D devm_kasprintf(card->dev, GFP_KERNEL, + "%s hs:cs35l56", + card->components); + if (!card->components) + return -ENOMEM; + + ret =3D snd_soc_dapm_new_controls(&card->dapm, + cs35l56_sof_widgets, ARRAY_SIZE(cs35l56_sof_widgets)); + if (ret) { + dev_err(card->dev, "Widgets add failed: %d\n", ret); + return ret; + } + + ret =3D snd_soc_dapm_add_routes(&card->dapm, cs35l56_sof_map, count); + if (ret) { + dev_err(card->dev, "Map add %d failed: %d\n", count, ret); + return ret; + } + + /* Enable one feedback TX per amp on different slots */ + for_each_rtd_codec_dais(rtd, i, codec_dai) { + ret =3D snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 1 << i, 4, 16); + if (ret < 0) + return ret; + } + + return 0; +} + +static int cs35l56_init_one(struct snd_soc_pcm_runtime *rtd) +{ + return cs35l56_init_multiple(rtd, 1); +} + +static int cs35l56_init_two(struct snd_soc_pcm_runtime *rtd) +{ + return cs35l56_init_multiple(rtd, 2); +} + +static int cs35l56_init_three(struct snd_soc_pcm_runtime *rtd) +{ + return cs35l56_init_multiple(rtd, 3); +} + +static int cs35l56_init_four(struct snd_soc_pcm_runtime *rtd) +{ + return cs35l56_init_multiple(rtd, 4); +} + +int sof_sdw_cs35l56_init(struct snd_soc_card *card, + const struct snd_soc_acpi_link_adr *link, + struct snd_soc_dai_link *dai_links, + struct sof_sdw_codec_info *info, + bool playback) +{ + /* Init with playback dai link only. */ + if (!playback) + return 0; + + info->amp_num++; + + switch (info->amp_num) { + case 1: + dai_links->init =3D cs35l56_init_one; + break; + case 2: + dai_links->init =3D cs35l56_init_two; + break; + case 3: + dai_links->init =3D cs35l56_init_three; + break; + case 4: + dai_links->init =3D cs35l56_init_four; + break; + default: + dev_err(card->dev, "%s: Unexpected number of amps %d\n", __func__, info-= >amp_num); + dai_links->init =3D cs35l56_init_four; + break; + } + + return 0; +} --=20 2.30.2