From patchwork Thu Sep 21 21:48:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 13394785 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 35218E7D0AF for ; Thu, 21 Sep 2023 22:07:38 +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 32AA3EB5; Fri, 22 Sep 2023 00:06:46 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 32AA3EB5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1695334056; bh=itBHgrm+OJx7dZwPUAhy1CRJ/MgkBA2iWKadpEdqGcM=; 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=pmSWKew+yNPzwohZv9sTUpJe/L1V80Cv66/soDPHhLOS4Qk/X4fuKYnHy8VqmExv+ B28aVv1A+eZt2ulVMnHxVVFnI1ghQbasHUb+cS6iONwZAT0AVgxSzNh/39lJAZC389 cBI6ajkCO0M29wsm+f6BR8k9Na2YAyhlB3RFXxYE= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 9F4DCF80551; Fri, 22 Sep 2023 00:06:37 +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 E821CF805AC; Fri, 22 Sep 2023 00:06:35 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 4A587F801F5; Thu, 21 Sep 2023 23:52:14 +0200 (CEST) Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 D6349F8057E for ; Thu, 21 Sep 2023 23:49:23 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D6349F8057E Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=quicinc.com header.i=@quicinc.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=mEukNize Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38LLke2U010027; Thu, 21 Sep 2023 21:49:21 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=7Rrx9SgrPONgBc7V4Uk4lPBuOWgmu/HWvdgxqolcgKE=; b=mEukNizeJq8HSuCNATuoLeuBLMXxC32329I+kXsPq3ASch26xeR4ycVQ0D+jic1jM/WW m5XVXU1G+IF+HyfmgY3e0a5gWNh1aDMXqFnIHbBZDCAh4UqI4Re06hHMyCweVeg93KoF f/Yj7LekHbKhXASWX0PjecOm6+TeZevTrXOU7HphwULb3SjTFG9nY8cV+dzsd0EgRHkL TVn38EZ5uFaqY6jhLZ6l1KpQxpw9OO0MToR1+wLHHL2W9Jtw0BHYLaPMdVCPSndqdj5U hBOYfLHKZ/6wbqDMUmOts6czf8z11cnjdN49wOv/btZ7lnw0y1/knbM9xYqvUcYWyhqa Wg== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t8uknr96t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 21 Sep 2023 21:49:21 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 38LLmufQ009009 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 21 Sep 2023 21:48:56 GMT Received: from hu-wcheng-lv.qualcomm.com (10.49.16.6) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Thu, 21 Sep 2023 14:48:55 -0700 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , Wesley Cheng Subject: [PATCH v7 10/33] ASoC: qcom: qdsp6: Add USB backend ASoC driver for Q6 Date: Thu, 21 Sep 2023 14:48:20 -0700 Message-ID: <20230921214843.18450-11-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230921214843.18450-1-quic_wcheng@quicinc.com> References: <20230921214843.18450-1-quic_wcheng@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01a.na.qualcomm.com (10.47.209.196) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 7nPDlOZUZGZcRZL67kLr38-0YOtPQgRC X-Proofpoint-ORIG-GUID: 7nPDlOZUZGZcRZL67kLr38-0YOtPQgRC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-09-21_19,2023-09-21_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 bulkscore=0 adultscore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 priorityscore=1501 phishscore=0 mlxscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2309210189 Message-ID-Hash: 2CTLND77YIAONTYLYH5GP36OT6U6QNMV X-Message-ID-Hash: 2CTLND77YIAONTYLYH5GP36OT6U6QNMV X-MailFrom: quic_wcheng@quicinc.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: Create a USB BE component that will register a new USB port to the ASoC USB framework. This will handle determination on if the requested audio profile is supported by the USB device currently selected. Signed-off-by: Wesley Cheng --- include/sound/q6usboffload.h | 20 ++++ sound/soc/qcom/Kconfig | 4 + sound/soc/qcom/qdsp6/Makefile | 1 + sound/soc/qcom/qdsp6/q6usb.c | 200 ++++++++++++++++++++++++++++++++++ 4 files changed, 225 insertions(+) create mode 100644 include/sound/q6usboffload.h create mode 100644 sound/soc/qcom/qdsp6/q6usb.c diff --git a/include/sound/q6usboffload.h b/include/sound/q6usboffload.h new file mode 100644 index 000000000000..fdc1f5c53a3b --- /dev/null +++ b/include/sound/q6usboffload.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * linux/sound/q6usboffload.h -- QDSP6 USB offload + * + * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +/** + * struct q6usb_offload + * @dev - dev handle to usb be + * @sid - streamID for iommu + * @intr_num - usb interrupter number + * @domain - allocated iommu domain + **/ +struct q6usb_offload { + struct device *dev; + long long sid; + u16 intr_num; + struct iommu_domain *domain; +}; diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index e7b00d1d9e99..bb285af6bb04 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -114,6 +114,9 @@ config SND_SOC_QDSP6_APM config SND_SOC_QDSP6_PRM_LPASS_CLOCKS tristate +config SND_SOC_QDSP6_USB + tristate + config SND_SOC_QDSP6_PRM tristate select SND_SOC_QDSP6_PRM_LPASS_CLOCKS @@ -134,6 +137,7 @@ config SND_SOC_QDSP6 select SND_SOC_TOPOLOGY select SND_SOC_QDSP6_APM select SND_SOC_QDSP6_PRM + select SND_SOC_QDSP6_USB help To add support for MSM QDSP6 Soc Audio. This will enable sound soc platform specific diff --git a/sound/soc/qcom/qdsp6/Makefile b/sound/soc/qcom/qdsp6/Makefile index 3963bf234664..c9457ee898d0 100644 --- a/sound/soc/qcom/qdsp6/Makefile +++ b/sound/soc/qcom/qdsp6/Makefile @@ -17,3 +17,4 @@ obj-$(CONFIG_SND_SOC_QDSP6_APM_DAI) += q6apm-dai.o obj-$(CONFIG_SND_SOC_QDSP6_APM_LPASS_DAI) += q6apm-lpass-dais.o obj-$(CONFIG_SND_SOC_QDSP6_PRM) += q6prm.o obj-$(CONFIG_SND_SOC_QDSP6_PRM_LPASS_CLOCKS) += q6prm-clocks.o +obj-$(CONFIG_SND_SOC_QDSP6_USB) += q6usb.o diff --git a/sound/soc/qcom/qdsp6/q6usb.c b/sound/soc/qcom/qdsp6/q6usb.c new file mode 100644 index 000000000000..dd664ad41668 --- /dev/null +++ b/sound/soc/qcom/qdsp6/q6usb.c @@ -0,0 +1,200 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "q6dsp-lpass-ports.h" +#include "q6afe.h" + +#define SID_MASK 0xF + +struct q6usb_port_data { + struct q6afe_usb_cfg usb_cfg; + struct snd_soc_usb *usb; + struct q6usb_offload priv; + int active_idx; +}; + +static const struct snd_soc_dapm_widget q6usb_dai_widgets[] = { + SND_SOC_DAPM_HP("USB_RX_BE", NULL), +}; + +static const struct snd_soc_dapm_route q6usb_dapm_routes[] = { + {"USB Playback", NULL, "USB_RX_BE"}, +}; + +static int q6usb_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + return 0; +} + +static const struct snd_soc_dai_ops q6usb_ops = { + .hw_params = q6usb_hw_params, +}; + +static struct snd_soc_dai_driver q6usb_be_dais[] = { + { + .playback = { + .stream_name = "USB BE RX", + .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | + SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | + SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE | + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE | + SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, + .channels_min = 1, + .channels_max = 2, + .rate_max = 192000, + .rate_min = 8000, + }, + .id = USB_RX, + .name = "USB_RX_BE", + .ops = &q6usb_ops, + }, +}; + +static int q6usb_audio_ports_of_xlate_dai_name(struct snd_soc_component *component, + const struct of_phandle_args *args, + const char **dai_name) +{ + int id = args->args[0]; + int ret = -EINVAL; + int i; + + for (i = 0; i < ARRAY_SIZE(q6usb_be_dais); i++) { + if (q6usb_be_dais[i].id == id) { + *dai_name = q6usb_be_dais[i].name; + ret = 0; + break; + } + } + + return ret; +} + +static int q6usb_alsa_connection_cb(struct snd_soc_usb *usb, + struct snd_soc_usb_device *sdev, bool connected) +{ + struct q6usb_port_data *data; + + if (!usb->component) + return -ENODEV; + + data = dev_get_drvdata(usb->component->dev); + + if (connected) { + /* We only track the latest USB headset plugged in */ + data->active_idx = sdev->card_idx; + } + + return 0; +} + +static int q6usb_component_probe(struct snd_soc_component *component) +{ + struct q6usb_port_data *data = dev_get_drvdata(component->dev); + + data->usb = snd_soc_usb_add_port(component->dev, &data->priv, q6usb_alsa_connection_cb); + if (IS_ERR(data->usb)) { + dev_err(component->dev, "failed to add usb port\n"); + return -ENODEV; + } + + data->usb->component = component; + + return 0; +} + +static void q6usb_component_remove(struct snd_soc_component *component) +{ + snd_soc_usb_remove_port(component->dev); +} + +static const struct snd_soc_component_driver q6usb_dai_component = { + .probe = q6usb_component_probe, + .remove = q6usb_component_remove, + .name = "q6usb-dai-component", + .dapm_widgets = q6usb_dai_widgets, + .num_dapm_widgets = ARRAY_SIZE(q6usb_dai_widgets), + .dapm_routes = q6usb_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(q6usb_dapm_routes), + .of_xlate_dai_name = q6usb_audio_ports_of_xlate_dai_name, +}; + +static int q6usb_dai_dev_probe(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct q6usb_port_data *data; + struct device *dev = &pdev->dev; + struct of_phandle_args args; + int ret; + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + ret = of_property_read_u16(node, "qcom,usb-audio-intr-idx", + &data->priv.intr_num); + if (ret) { + dev_err(&pdev->dev, "failed to read intr idx.\n"); + return ret; + } + + ret = of_parse_phandle_with_fixed_args(node, "iommus", 1, 0, &args); + if (ret < 0) + data->priv.sid = -1; + else + data->priv.sid = args.args[0] & SID_MASK; + + data->priv.domain = iommu_get_domain_for_dev(&pdev->dev); + + data->priv.dev = dev; + dev_set_drvdata(dev, data); + + return devm_snd_soc_register_component(dev, &q6usb_dai_component, + q6usb_be_dais, ARRAY_SIZE(q6usb_be_dais)); +} + +static const struct of_device_id q6usb_dai_device_id[] = { + { .compatible = "qcom,q6usb" }, + {}, +}; +MODULE_DEVICE_TABLE(of, q6usb_dai_device_id); + +static struct platform_driver q6usb_dai_platform_driver = { + .driver = { + .name = "q6usb-dai", + .of_match_table = of_match_ptr(q6usb_dai_device_id), + }, + .probe = q6usb_dai_dev_probe, + /* + * Remove not required as resources are cleaned up as part of + * component removal. Others are device managed resources. + */ +}; +module_platform_driver(q6usb_dai_platform_driver); + +MODULE_DESCRIPTION("Q6 USB backend dai driver"); +MODULE_LICENSE("GPL");