From patchwork Thu Nov 21 09:12:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dennis-YC Hsieh X-Patchwork-Id: 11255949 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2694D14E5 for ; Thu, 21 Nov 2019 09:16:04 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 0363E2071C for ; Thu, 21 Nov 2019 09:16:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="uteTrIri"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="PdJ0arT0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0363E2071C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7XA7NDkGEGXTwiyDYw1+PD1DUbOKrzXXNaGbANJoWJc=; b=uteTrIriOiNI20 teKC4OmQMQ+Zxsf4YKuoTWX+h9KqSrTdejswP6pd+Na460TJNnF2swjXiOU6VCTgXQQyDliTrN0C3 5e2MK9nxZ1CYr8xN11hQPoU/qIU5/ysnO8v9cnGMsLyYUlqrxeuxcACeD9n3O7MP5sgy6MA1s3HiT I2yC2bV/I94Ax78VZgbXCjSYKHKfFRRcbx4ZhL+iotiNkFA0FshSw2v1gsWNZv+t9osyqe1ANMCfa 0utzvAWYAJ7HCOvXhunsMvGoKH4QB4PGo/O9Ims2OVtLbEEztMaM6je326uVsFpjiPKlROmEzNTHl Qy3W2OaUTs4aUFuL8lWg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iXiZF-00053X-UM; Thu, 21 Nov 2019 09:16:01 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iXiWx-0001Zo-Mk; Thu, 21 Nov 2019 09:13:41 +0000 X-UUID: d87fe01f59674c7abb9654fa17c77918-20191121 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=TiulLJ0CtTfh89Jbxy5etpVyClnVU8CeCrTJaGL4/Lg=; b=PdJ0arT0Yu7mCwxGyxuhK1xB4P2apS0b3QbM3VsYNCXtdXDPzNm/1fpZd01IAFqlK19wI2pZwEUylEMRFGQyu2pMLgl+K8AY4kGZ1sfq2daIlxTV1D2T45Fn9GVPlS0vXzknvAmNVoPrKp3tZ3ZgXQy68Zg+xbeGwSx6i+CqMCQ=; X-UUID: d87fe01f59674c7abb9654fa17c77918-20191121 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1692933152; Thu, 21 Nov 2019 01:13:34 -0800 Received: from mtkmbs08n2.mediatek.inc (172.21.101.56) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 21 Nov 2019 01:13:38 -0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 21 Nov 2019 17:13:09 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 21 Nov 2019 17:13:29 +0800 From: Dennis YC Hsieh To: Rob Herring , Matthias Brugger , Jassi Brar Subject: [PATCH v1 06/12] soc: mediatek: cmdq: add assign function Date: Thu, 21 Nov 2019 17:12:26 +0800 Message-ID: <1574327552-11806-7-git-send-email-dennis-yc.hsieh@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1574327552-11806-1-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1574327552-11806-1-git-send-email-dennis-yc.hsieh@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 5D768AA7918F4A90667EC41CF496330081AE4CA3609A566C7AEB51E4926B3E432000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191121_011339_884253_17D493EF X-CRM114-Status: GOOD ( 11.67 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, wsd_upstream@mediatek.com, linux-kernel@vger.kernel.org, Houlong Wei , Dennis YC Hsieh , linux-mediatek@lists.infradead.org, Bibby Hsieh , CK Hu , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add assign function in cmdq helper which assign constant value into internal register by index. Signed-off-by: Dennis YC Hsieh --- drivers/soc/mediatek/mtk-cmdq-helper.c | 24 +++++++++++++++++++++++- include/linux/mailbox/mtk-cmdq-mailbox.h | 1 + include/linux/soc/mediatek/mtk-cmdq.h | 14 ++++++++++++++ 3 files changed, 38 insertions(+), 1 deletion(-) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 274f6f3..d419e99 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -14,6 +14,7 @@ #define CMDQ_EOC_IRQ_EN BIT(0) #define CMDQ_EOC_CMD ((u64)((CMDQ_CODE_EOC << CMDQ_OP_CODE_SHIFT)) \ << 32 | CMDQ_EOC_IRQ_EN) +#define CMDQ_REG_TYPE 1 struct cmdq_instruction { union { @@ -23,8 +24,17 @@ struct cmdq_instruction { union { u16 offset; u16 event; + u16 reg_dst; + }; + union { + u8 subsys; + struct { + u8 sop:5; + u8 arg_c_t:1; + u8 arg_b_t:1; + u8 arg_a_t:1; + }; }; - u8 subsys; u8 op; }; @@ -279,6 +289,18 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys, } EXPORT_SYMBOL(cmdq_pkt_poll_mask); +int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value) +{ + struct cmdq_instruction inst = { {0} }; + + inst.op = CMDQ_CODE_LOGIC; + inst.arg_a_t = CMDQ_REG_TYPE; + inst.reg_dst = reg_idx; + inst.value = value; + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_assign); + static int cmdq_pkt_finalize(struct cmdq_pkt *pkt) { struct cmdq_client *cl = pkt->cl; diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h index dfe5b2e..121c3bb 100644 --- a/include/linux/mailbox/mtk-cmdq-mailbox.h +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h @@ -59,6 +59,7 @@ enum cmdq_code { CMDQ_CODE_JUMP = 0x10, CMDQ_CODE_WFE = 0x20, CMDQ_CODE_EOC = 0x40, + CMDQ_CODE_LOGIC = 0xa0, }; enum cmdq_cb_status { diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index a74c1d5..8334021 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -152,6 +152,20 @@ 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_assign() - Append logic assign command to the CMDQ packet, ask GCE + * to execute an instruction that set a constant value into + * internal register and use as value, mask or address in + * read/write instruction. + * @pkt: the CMDQ packet + * @reg_idx: the CMDQ internal register ID + * @value: the specified value + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value); + /** * cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ * packet and call back at the end of done packet