From patchwork Mon Sep 18 19:21:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jason-JH.Lin" X-Patchwork-Id: 724225 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 32C9B27EC8 for ; Mon, 18 Sep 2023 19:22:25 +0000 (UTC) Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A6B9E11C; Mon, 18 Sep 2023 12:22:19 -0700 (PDT) X-UUID: a913b620565811eea33bb35ae8d461a2-20230919 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=6IIBBJBJ63SFZZQA5wr9GdzT8XSzEgNVr+5DsHu+xEU=; b=aMy1o9RBeaZvCjJe+2/8hCxx/3Ld9W7MWguFIbZUBGLOH32vvdGRnk/RKMl+Jqf8Pw8zl9HxPoBE19xSv6QzMubhFPl30DJB+jKf3bU7zWNRMj1cw945EMNBXTO1VVpAbaQR5XIcI0JHlQNQWIsu1SeABzk/rVARIxUxzGk4FUc=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.31, REQID:14561841-563b-4853-a55d-3118eff50011, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:0ad78a4, CLOUDID:f89a2bc3-1e57-4345-9d31-31ad9818b39f, 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,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: a913b620565811eea33bb35ae8d461a2-20230919 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 342932200; Tue, 19 Sep 2023 03:22:08 +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, 19 Sep 2023 03:22:06 +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, 19 Sep 2023 03:22:06 +0800 From: Jason-JH.Lin To: Jassi Brar , Krzysztof Kozlowski , Rob Herring , Matthias Brugger , Chun-Kuang Hu , AngeloGioacchino Del Regno CC: Conor Dooley , Jason-ch Chen , Johnson Wang , "Elvis Wang" , "Jason-JH . Lin" , Singo Chang , Nancy Lin , Shawn Sung , , , , , , Subject: [PATCH 04/15] soc: mailbox: Add cmdq_pkt_logic_command to support math operation Date: Tue, 19 Sep 2023 03:21:53 +0800 Message-ID: <20230918192204.32263-5-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230918192204.32263-1-jason-jh.lin@mediatek.com> References: <20230918192204.32263-1-jason-jh.lin@mediatek.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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--1.806100-8.000000 X-TMASE-MatchedRID: wDTc/wNgEcM7GQ7VM/DlUU0IfQOJvRLRQKuv8uQBDjr7efdnqtsaExFx R5JQAS6O09NQNrxIpFbaGEeUNUEoVATsy5Ctk/ajpLS2yK6GQKOXYX34rFl3xxUZTfM00s4+tTD LZLR3mBE84GeYDGFPpnegIXkiA/apHxPMjOKY7A8LbigRnpKlKZvjAepGmdoOHtpbiBM+IIWdIL j3dG0of6jhxFuDFdR1OdcuU4zixecSmoBX6S8VpM2u57DRRyzIbp8JiPR3CoLqvNGbk5Dc0TT8a /G/YAmESZrfNhP3sgUBh9AgBSEFrJm+YJspVvj2xkvrHlT8euJ0YHKn7N1oOA== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--1.806100-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: E194136FE2D2C764BB295C6E61B169B8D069091474C886F8D2C7D4D91EB050D62000:8 X-MTK: N X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_PASS,T_SPF_TEMPERROR,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Add cmdq_pkt_logic_command to support match operation. cmdq_pkt_logic_command can append logic command to the CMDQ packet, ask GCE to execute a arithematic calculate instruction, such as add, subtract, multiply, AND, OR and NOT, etc. Note that all instructions just accept unsigned calculate. If there are any overflows, GCE will sent the invalid IRQ to notify CMDQ driver. Signed-off-by: Jason-JH.Lin --- drivers/soc/mediatek/mtk-cmdq-helper.c | 36 ++++++++++++++++++++++ include/linux/soc/mediatek/mtk-cmdq.h | 41 ++++++++++++++++++++++++++ 2 files changed, 77 insertions(+) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index b0cd071c4719..5194d66dfc0a 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -13,9 +13,18 @@ #define CMDQ_WRITE_ENABLE_MASK BIT(0) #define CMDQ_POLL_ENABLE_MASK BIT(0) #define CMDQ_EOC_IRQ_EN BIT(0) +#define CMDQ_IMMEDIATE_VALUE 0 #define CMDQ_REG_TYPE 1 #define CMDQ_JUMP_RELATIVE 1 +#define CMDQ_OPERAND_GET_IDX_VALUE(operand) \ + ({ \ + struct cmdq_operand *op = operand; \ + op->reg ? op->idx : op->value; \ + }) +#define CMDQ_OPERAND_TYPE(operand) \ + ((operand)->reg ? CMDQ_REG_TYPE : CMDQ_IMMEDIATE_VALUE) + struct cmdq_instruction { union { u32 value; @@ -380,6 +389,33 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys, } EXPORT_SYMBOL(cmdq_pkt_poll_mask); +int cmdq_pkt_logic_command(struct cmdq_pkt *pkt, enum CMDQ_LOGIC_ENUM s_op, + u16 result_reg_idx, + struct cmdq_operand *left_operand, + struct cmdq_operand *right_operand) +{ + struct cmdq_instruction inst = { {0} }; + u32 left_idx_value; + u32 right_idx_value; + + if (!left_operand || !right_operand) + return -EINVAL; + + left_idx_value = CMDQ_OPERAND_GET_IDX_VALUE(left_operand); + right_idx_value = CMDQ_OPERAND_GET_IDX_VALUE(right_operand); + inst.op = CMDQ_CODE_LOGIC; + inst.dst_t = CMDQ_REG_TYPE; + inst.src_t = CMDQ_OPERAND_TYPE(left_operand); + inst.arg_c_t = CMDQ_OPERAND_TYPE(right_operand); + inst.sop = s_op; + inst.arg_c = right_idx_value; + inst.src_reg = left_idx_value; + inst.reg_dst = result_reg_idx; + + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_logic_command); + int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value) { struct cmdq_instruction inst = {}; diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index f49ca8bd58e8..40e6f3097319 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -21,6 +21,30 @@ struct cmdq_pkt; +enum CMDQ_LOGIC_ENUM { + CMDQ_LOGIC_ASSIGN = 0, + CMDQ_LOGIC_ADD = 1, + CMDQ_LOGIC_SUBTRACT = 2, + CMDQ_LOGIC_MULTIPLY = 3, + CMDQ_LOGIC_XOR = 8, + CMDQ_LOGIC_NOT = 9, + CMDQ_LOGIC_OR = 10, + CMDQ_LOGIC_AND = 11, + CMDQ_LOGIC_LEFT_SHIFT = 12, + CMDQ_LOGIC_RIGHT_SHIFT = 13, +}; + +struct cmdq_operand { + /* register type */ + bool reg; + union { + /* index */ + u16 idx; + /* value */ + u16 value; + }; +}; + struct cmdq_client_reg { u8 subsys; u16 offset; @@ -239,6 +263,23 @@ int cmdq_pkt_poll(struct cmdq_pkt *pkt, u8 subsys, int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys, u16 offset, u32 value, u32 mask); +/** + * cmdq_pkt_logic_command() - Append logic command to the CMDQ packet, ask GCE to + * execute an instruction that store the result of logic operation + * with left and right operand into result_reg_idx. + * @pkt: the CMDQ packet + * @s_op: the logic operator enum + * @result_reg_idx: SPR index that store operation result of left_operand and right_operand + * @left_operand: left operand + * @right_operand: right operand + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_logic_command(struct cmdq_pkt *pkt, enum CMDQ_LOGIC_ENUM s_op, + u16 result_reg_idx, + struct cmdq_operand *left_operand, + struct cmdq_operand *right_operand); + /** * cmdq_pkt_assign() - Append logic assign command to the CMDQ packet, ask GCE * to execute an instruction that set a constant value into