From patchwork Thu Dec 19 17:07:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jason-JH.Lin" X-Patchwork-Id: 852254 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 426F01A9B47; Thu, 19 Dec 2024 17:08:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734628106; cv=none; b=XUKXclQ9x8ADQ+B1Y5EwgmDM7l0TgtSG/jGYFMCmsmvvDcoWjF8SnA3JZphu7WqYPPgAHnwXp04psVTb13XfpPR6t4gWh94vTBAGxMix6GauOpKJTXYcGfxVWFi2qy3G90caSLue9jLk92yBv23XZEaCboiNkJVosrsgNPKvALs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734628106; c=relaxed/simple; bh=eKFnwjrgrQVj8Y2csL/jRFqCOhcQq78yV3Y/cFcZLTY=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=MSnpCQ++u0iHipNbn02/uAjywnazYEuRjejpPBrimxFoU6ivjsyV2wmLsNdgwHa5IWkpGirhSqop1kioemgpy91fd7s7Wj1cJ8gSwHO+sPYD3oai0yILJnXdaidu+l1sdbZrbePMLQqF8Aqemqy7FXVakz5Vskl71OY52MPVOIM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=dD5kJ5lz; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="dD5kJ5lz" X-UUID: cf03d93cbe2b11ef99858b75a2457dd9-20241220 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=XHSPZh9SQgj5aIJD/TiZT1WkFJxdBxTdhxKK1/1154k=; b=dD5kJ5lzxziSXlItqKlpSSQjb29k9M4TIPkeD+D/ly5U5G5R7ZCxjA5JtnCgF/VFpwSgQEeg1r522Y4ck8a+JK4/WlYVYYMbzQHcTERApwW5aWyrSza5d82sy/yh119AdTEut2Hmy3gxFo/6s34ZHJW439UOpvVz0nDfMm2nr7A=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.45, REQID:9b79a7f8-bad3-46e8-8d9b-5d4e9b3988e4, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:-32768,SF:-32768,FILE:0,BULK:-32768,RULE:Rele ase_Ham,ACTION:release,TS:0 X-CID-META: VersionHash:6493067, CLOUDID:20666813-8f5d-4ac6-9276-7b9691c7b8d6, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: cf03d93cbe2b11ef99858b75a2457dd9-20241220 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 333287353; Fri, 20 Dec 2024 01:08:03 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by MTKMBS09N1.mediatek.inc (172.21.101.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 20 Dec 2024 01:08:02 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 20 Dec 2024 01:08:02 +0800 From: Jason-JH.Lin To: Jassi Brar , Chun-Kuang Hu , AngeloGioacchino Del Regno , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , Mauro Carvalho Chehab CC: David Airlie , Simona Vetter , , , , , , , "Jason-JH . Lin" , Singo Chang , Nancy Lin , Moudy Ho , Xavier Chang , Subject: [PATCH v3 3/7] soc: mediatek: mtk-cmdq: Add pa_base parsing for unsupported subsys ID hardware Date: Fri, 20 Dec 2024 01:07:56 +0800 Message-ID: <20241219170800.2957-4-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20241219170800.2957-1-jason-jh.lin@mediatek.com> References: <20241219170800.2957-1-jason-jh.lin@mediatek.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N When GCE executes instructions, the corresponding hardware register can be found through the subsys ID. For hardware that does not support subsys ID, its subsys ID will be set to invalid value and its physical address needs to be used to generate GCE instructions. This commit adds a pa_base parsing flow to the cmdq_client_reg structure for these unsupported subsys ID hardware. Signed-off-by: Jason-JH.Lin --- drivers/soc/mediatek/mtk-cmdq-helper.c | 18 ++++++++++++++++-- include/linux/soc/mediatek/mtk-cmdq.h | 3 +++ 2 files changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 455221e8de24..aa9853100d78 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #define CMDQ_WRITE_ENABLE_MASK BIT(0) @@ -60,20 +61,30 @@ int cmdq_dev_get_client_reg(struct device *dev, struct cmdq_client_reg *client_reg, int idx) { struct of_phandle_args spec; + struct resource res; int err; if (!client_reg) return -ENOENT; + if (of_address_to_resource(dev->of_node, 0, &res) != 0) { + dev_err(dev, "Missing reg in %s node\n", dev->of_node->full_name); + return -EINVAL; + } + client_reg->pa_base = res.start; + err = of_parse_phandle_with_fixed_args(dev->of_node, "mediatek,gce-client-reg", 3, idx, &spec); if (err < 0) { - dev_warn(dev, + dev_dbg(dev, "error %d can't parse gce-client-reg property (%d)", err, idx); - return err; + /* make subsys invalid */ + client_reg->subsys = CMDQ_SUBSYS_INVALID; + + return 0; } client_reg->subsys = (u8)spec.args[0]; @@ -130,6 +141,9 @@ int cmdq_pkt_create(struct cmdq_client *client, struct cmdq_pkt *pkt, size_t siz pkt->buf_size = size; + /* need to use pkt->cl->chan later to call mbox APIs when generating instruction */ + pkt->cl = (void *)client; + dev = client->chan->mbox->dev; dma_addr = dma_map_single(dev, pkt->va_base, pkt->buf_size, DMA_TO_DEVICE); diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index 0c3906e8ad19..3578cc9200e9 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -23,6 +23,8 @@ #define CMDQ_THR_SPR_IDX2 (2) #define CMDQ_THR_SPR_IDX3 (3) +#define CMDQ_SUBSYS_INVALID (U8_MAX) + struct cmdq_pkt; enum cmdq_logic_op { @@ -52,6 +54,7 @@ struct cmdq_operand { struct cmdq_client_reg { u8 subsys; + phys_addr_t pa_base; u16 offset; u16 size; };