From patchwork Mon Sep 11 07:42:22 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: 13378914 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 19060EE801F for ; Mon, 11 Sep 2023 07:44:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DAqnRoF+g0Vl/4UlRGNoOVUal5gx7pPJzyXQ7sX2vGw=; b=GWiajwdPyymWZE LxHXM/hAdBbP8Th5BCQHTBNx2MXQkd8evtEf8u5wEy7VVKUCMJdjaU5VxAnUFFLD9LH/rbN41CvBQ RcFxt3JMh3pTAeigkWlyko5mJ6gruA8/tXmgWgwn+BPXj6nmJwJBWNdgjWfNNrZaj17zBpJLjitHx g6F4ICh3p84IVQ8pkFe7SduKvbDo+oVpVedpvOMfClIqiyJLLdAd5RNEQAf+c/T1MCrZck6NaYsO7 TW/UDk1cSfbVxKP199jtO/fbgN18mKlPd5SLOoew3AiCdG2mpOqaGLSM5/rs6Vqdicwnn6/IkxHm6 BPyIHaAudpFMWoiTtr/A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qfba4-00HRSl-0c; Mon, 11 Sep 2023 07:43:36 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qfbZv-00HRJE-1Y; Mon, 11 Sep 2023 07:43:28 +0000 X-UUID: e2a7d192507611ee9b7791016c24628a-20230911 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=bqOAJL2L5ry7d5iqYT8CMfxaIDQc6oaLYP0JacyncDM=; b=tjDdYD3bRVXqvRjiQ13sDs9E5uuxyTthcPbzLZ3WxVw39/sww158T6ZWMaEMsplUJbZWoez3DiQwHlcnmHPbZT8McNygHb/blqgAnDJ5jir9H8pV75kQ9cqVu3A9MTKeZtBEvJ24+pWP0O9sZn060pIa8BZYSp60rdIyjfyM+mY=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.31,REQID:5f8cdf40-e18a-4632-b5d3-9fff97cfac3a,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:0ad78a4,CLOUDID:50fcb0be-14cc-44ca-b657-2d2783296e72,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: e2a7d192507611ee9b7791016c24628a-20230911 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1754957989; Mon, 11 Sep 2023 00:43:23 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.194) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 11 Sep 2023 15:42:45 +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; Mon, 11 Sep 2023 15:42:45 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , "CK Hu" , Krzysztof Kozlowski , Matthias Brugger , Rob Herring CC: Conor Dooley , David Airlie , Daniel Vetter , =?utf-8?q?N=C3=ADcolas_F_=2E_R_=2E_A_=2E_P?= =?utf-8?q?rado?= , Philipp Zabel , , , , , , , Singo Chang , "Nancy . Lin" , "Jason-JH . Lin" , Hsiao Chien Sung Subject: [RESEND PATCH v6 09/20] soc: mediatek: Support reset bit mapping in mmsys driver Date: Mon, 11 Sep 2023 15:42:22 +0800 Message-ID: <20230911074233.31556-10-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230911074233.31556-1-shawn.sung@mediatek.com> References: <20230911074233.31556-1-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 3alEv3RuLzNWBegCW2wgn7iDBesS15zdAzex5xZj9r4WNkRLyxP+RoM9XW59hTS8P4x4CF66R/v Avxhb30t/6JS9H4YL2UTGVAhB5EbQ== 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: 3637EF1BB1672C280C65598578CE07B1A2B28AC846130E95A9486961C0C3E6572000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230911_004327_522918_EAA7F295 X-CRM114-Status: GOOD ( 12.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org - 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(+) -- 2.18.0 diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index 84b2d8187011..6fc59f85f4fa 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -310,6 +310,15 @@ 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 964b5449d672..dfbb742eaa11 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;