From patchwork Tue Oct 24 13:00:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2hhd24gU3VuZyAo5a6L5a2d6KyZKQ==?= X-Patchwork-Id: 13434386 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 274F0C25B48 for ; Tue, 24 Oct 2023 13:02:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2D76B10E3B3; Tue, 24 Oct 2023 13:02:17 +0000 (UTC) Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by gabe.freedesktop.org (Postfix) with ESMTPS id 137AE10E397 for ; Tue, 24 Oct 2023 13:01:04 +0000 (UTC) X-UUID: 5e2b6d70726d11eea33bb35ae8d461a2-20231024 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=qzov/hpN4iX0pmFofJu6L2TrY3LTWXYkPYFRwpImDAk=; b=KTi/0sN+fAbF4Hk6sq6JKuItGcjmHn8SOlkkkHMwLpiY+XgtxQSOBbwe3SfP2rlDi78r2hnc4K2tqI99AiBm8q77ba41SsAWR2hrZZpEMe0lCSmjEnCaoXiWtfjqkChKLG3vExzLdkSfgCE+eSws1XYhR1Bvzpz7NJ8ue4KnbvA=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32, REQID:be55fc35-0bf9-49ba-83a3-f25403e4dced, IP:0, U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:5f78ec9, CLOUDID:aa809394-10ce-4e4b-85c2-c9b5229ff92b, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File: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 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 5e2b6d70726d11eea33bb35ae8d461a2-20231024 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 2016486207; Tue, 24 Oct 2023 21:00:55 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 24 Oct 2023 21:00:53 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 24 Oct 2023 21:00:53 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , "CK Hu" , Krzysztof Kozlowski , Matthias Brugger , Rob Herring Subject: [PATCH v11 09/23] soc: mediatek: Support reset bit mapping in mmsys driver Date: Tue, 24 Oct 2023 21:00:34 +0800 Message-ID: <20231024130048.14749-10-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231024130048.14749-1-shawn.sung@mediatek.com> References: <20231024130048.14749-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--7.363700-8.000000 X-TMASE-MatchedRID: 6IKkQlwkGxfhsdkaHFW0p25IHkZABHAU0nXvwjW2mSXb6Y+fnTZUL+jk huBL0aGZ9SK5q0H2UamK0Joj0npda6m/G7eYsFM7wVaayvK71l/pJe7BSAYfSFsoEE3nOobwSI7 v7A0N15jT01A2vEikVgG2ORx9EyapQylVlmxnJkaQOktEo73GFKIf1lfNT7Zi0pEcoXqJQB0G1W 3alEv3RuLzNWBegCW2wgn7iDBesS0gBwKKRHe+rym8wnhgeYRu8Sb8LRlOeyolQIUEtjBUYtjYi PzlkU7iZOupnNkvA/U= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--7.363700-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 6F3FFCBDC169280C6457FE1229FB9EE8B41E91A7506D01E1A8BC7A9062331CB72000:8 X-MTK: N X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nathan Lu , Chun-Kuang Hu , Moudy Ho , Fei Shao , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Johnson Wang , "Nancy . Lin" , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, "Jason-JH . Lin" , Hsiao Chien Sung , Sean Paul , devicetree@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" - Reset ID must starts from 0 and be consecutive, but the reset bits in our hardware design is not continuous, some bits are left unused, we need a map to solve the problem - Use old style 1-to-1 mapping if .rst_tb is not defined Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- drivers/soc/mediatek/mtk-mmsys.c | 9 +++++++++ drivers/soc/mediatek/mtk-mmsys.h | 3 +++ 2 files changed, 12 insertions(+) diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index b1db09e19905..3a7108eefe9d 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -314,6 +314,15 @@ static int mtk_mmsys_reset_update(struct reset_controller_dev *rcdev, unsigned l u32 offset; u32 reg; + if (mmsys->data->rst_tb) { + if (id >= mmsys->data->num_resets) { + dev_err(rcdev->dev, "Invalid reset ID: %lu (>=%u)\n", + id, mmsys->data->num_resets); + return -EINVAL; + } + id = mmsys->data->rst_tb[id]; + } + offset = (id / MMSYS_SW_RESET_PER_REG) * sizeof(u32); id = id % MMSYS_SW_RESET_PER_REG; reg = mmsys->data->sw0_rst_offset + offset; diff --git a/drivers/soc/mediatek/mtk-mmsys.h b/drivers/soc/mediatek/mtk-mmsys.h index 9d8507f98b7a..d370192737ca 100644 --- a/drivers/soc/mediatek/mtk-mmsys.h +++ b/drivers/soc/mediatek/mtk-mmsys.h @@ -78,6 +78,8 @@ #define DSI_SEL_IN_RDMA 0x1 #define DSI_SEL_IN_MASK 0x1 +#define MMSYS_RST_NR(bank, bit) (((bank) * 32) + (bit)) + struct mtk_mmsys_routes { u32 from_comp; u32 to_comp; @@ -119,6 +121,7 @@ struct mtk_mmsys_driver_data { const struct mtk_mmsys_routes *routes; const unsigned int num_routes; const u16 sw0_rst_offset; + const u8 *rst_tb; const u32 num_resets; const bool is_vppsys; const u8 vsync_len;