From nobody Sat Sep 21 14:21:15 2024 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 24658ECAAD8 for ; Wed, 21 Sep 2022 12:03:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229610AbiIUMC6 (ORCPT ); Wed, 21 Sep 2022 08:02:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229512AbiIUMCz (ORCPT ); Wed, 21 Sep 2022 08:02:55 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5E07C7C1FF for ; Wed, 21 Sep 2022 05:02:48 -0700 (PDT) X-UUID: 8976d09486ec49cbb20156b824bca0bb-20220921 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=rnk6XT/XzFAqp50N45m5DaI+6+u2HgKxMgT5LBTZ044=; b=ex6lN7IqOklTdSG9WF+AOCVQBHETkp0vnp+ccEgXBOwjk/qNKA38S4tv0AWnp37lB9hL68L85imVTa8FQ7otOW3RJUSohvt6jLtRPGkp+1gadm361Hpw34G+ceX8gespqbVqZBsMPEYbUwoqzv5u1EpBUnq2bmSyg9YMI2bdVM4=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:a10e14ed-1b53-40a3-a149-30e93db36d89,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:95 X-CID-INFO: VERSION:1.1.11,REQID:a10e14ed-1b53-40a3-a149-30e93db36d89,IP:0,URL :0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTION :quarantine,TS:95 X-CID-META: VersionHash:39a5ff1,CLOUDID:b90e6c5e-5ed4-4e28-8b00-66ed9f042fbd,B ulkID:220921200244SK7U2YH9,BulkQuantity:0,Recheck:0,SF:28|17|19|48|823|824 ,TC:nil,Content:0,EDM:-3,IP:nil,URL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil, COL:0 X-UUID: 8976d09486ec49cbb20156b824bca0bb-20220921 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 157263969; Wed, 21 Sep 2022 20:02:43 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Wed, 21 Sep 2022 20:02:42 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 21 Sep 2022 20:02:41 +0800 From: Chunxu Li To: , , , , , CC: , , , , , , , , Chunxu Li Subject: [PATCH] ASoC: SOF: mediatek: add pcm_pointer callback for mt8186 Date: Wed, 21 Sep 2022 20:02:39 +0800 Message-ID: <20220921120239.31934-1-chunxu.li@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" add pcm_pointer callback for mt8186 to support read host position from DSP Signed-off-by: Chunxu Li Reviewed-by: AngeloGioacchino Del Regno --- sound/soc/sof/mediatek/mt8186/mt8186.c | 33 ++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/sound/soc/sof/mediatek/mt8186/mt8186.c b/sound/soc/sof/mediate= k/mt8186/mt8186.c index 9ec89fc7fec0..181189e00e02 100644 --- a/sound/soc/sof/mediatek/mt8186/mt8186.c +++ b/sound/soc/sof/mediatek/mt8186/mt8186.c @@ -470,6 +470,38 @@ static int mt8186_pcm_hw_params(struct snd_sof_dev *sd= ev, return 0; } =20 +static snd_pcm_uframes_t mt8186_pcm_pointer(struct snd_sof_dev *sdev, + struct snd_pcm_substream *substream) +{ + int ret; + snd_pcm_uframes_t pos; + struct snd_sof_pcm *spcm; + struct sof_ipc_stream_posn posn; + struct snd_sof_pcm_stream *stream; + struct snd_soc_component *scomp =3D sdev->component; + struct snd_soc_pcm_runtime *rtd =3D asoc_substream_to_rtd(substream); + + spcm =3D snd_sof_find_spcm_dai(scomp, rtd); + if (!spcm) { + dev_warn_ratelimited(sdev->dev, "warn: can't find PCM with DAI ID %d\n", + rtd->dai_link->id); + return 0; + } + + stream =3D &spcm->stream[substream->stream]; + ret =3D snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn)= ); + if (ret < 0) { + dev_warn(sdev->dev, "failed to read stream position: %d\n", ret); + return 0; + } + + memcpy(&stream->posn, &posn, sizeof(posn)); + pos =3D spcm->stream[substream->stream].posn.host_posn; + pos =3D bytes_to_frames(substream->runtime, pos); + + return pos; +} + static struct snd_soc_dai_driver mt8186_dai[] =3D { { .name =3D "SOF_DL1", @@ -537,6 +569,7 @@ static struct snd_sof_dsp_ops sof_mt8186_ops =3D { /* stream callbacks */ .pcm_open =3D sof_stream_pcm_open, .pcm_hw_params =3D mt8186_pcm_hw_params, + .pcm_pointer =3D mt8186_pcm_pointer, .pcm_close =3D sof_stream_pcm_close, =20 /* firmware loading */ --=20 2.25.1