From patchwork Fri Mar 1 13:29:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Romanov X-Patchwork-Id: 13578451 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 EEEA3C5475B for ; Fri, 1 Mar 2024 13:38:14 +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=oPR3aCDTUOUnRYdxxgFLmywJB0r9nRkLXLaPTVf5z2g=; b=fwv5t/MxDeP4PP VMULm2ca1qRJU21APgERRg7CVH3JPEU+PnHrHv+Azu+eFGFC64ppYSvreQMJAPLgAwbLK7j7yI8uE dD/9PYNmY2hcZdsqHiD6b11RBB8Xev6kHQ0xzyFcf7rQVnyBhz/45g0GL5l/hKTc8dbprbTlXhqD5 DuO3Ryv/e5Un4Mqg8fDmXynDOcjONTweJHaeHhAeItrP+/AtONM7VYaQiqNz7QgQSLLaW4ZUGgWA3 AN13rLiKycFnlrSHqLFrXN47egQtasK52TChXG8Z40HHJxEmQHDFAAWV2wZWcd095PbVUMtua55ME 4/bOHIIWKQqUOJAl4OGA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rg35V-00000000XNb-2n3s; Fri, 01 Mar 2024 13:38:09 +0000 Received: from mx1.sberdevices.ru ([37.18.73.165]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rg2xj-00000000ScF-0fSM; Fri, 01 Mar 2024 13:30:09 +0000 Received: from p-infra-ksmg-sc-msk01 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id C478A1000E2; Fri, 1 Mar 2024 16:30:05 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru C478A1000E2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1709299805; bh=vnLiTkGUt6ZVR81n0z24N9mJLxmAWvIfkLqmfb9IF4s=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=oWK3UAjEsaPd18f3yPAy3wDnGwUcjkXRyBmZBlkYwTBjq1rQwmO7bsMcxC1eoP7U5 eUGvtCHARVT9UAtWnXcxNRLzE/BagT2q0UFdE4zqolPk5De3bNHka+CmSFGhE5R6aq 0xejryk4EFVfmd1pilBJ61L4kTF0pOpovStsNr1iJsxxoNnKZkoEe7x1IKgbSTVea+ kZKwabs+CAGVzfnJd+FpGu1sZFYitv+pQTz5lF8qlOyA5xGGAcjRqoKRZo8RG3dzYF Sa00PPdBiS/ofUKr9gDqcpIEHc8czx/CTHF8++E5V7cuGU6gtIb2fQg8+t67AdlmaR lMxEmww2vjw5g== Received: from smtp.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Fri, 1 Mar 2024 16:30:05 +0300 (MSK) Received: from user-A520M-DS3H.sigma.sbrf.ru (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Fri, 1 Mar 2024 16:30:05 +0300 From: Alexey Romanov To: , , , , , , , , , , CC: , , , , , , Alexey Romanov Subject: [PATCH v5 04/21] drivers: crypto: meson: add MMIO helpers Date: Fri, 1 Mar 2024 16:29:19 +0300 Message-ID: <20240301132936.621238-5-avromanov@salutedevices.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240301132936.621238-1-avromanov@salutedevices.com> References: <20240301132936.621238-1-avromanov@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 183875 [Feb 29 2024] X-KSMG-AntiSpam-Version: 6.1.0.3 X-KSMG-AntiSpam-Envelope-From: avromanov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 7 0.3.7 6d6bf5bd8eea7373134f756a2fd73e9456bb7d1a, {Tracking_from_domain_doesnt_match_to}, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2024/02/29 19:21:00 #23899999 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240301_053007_579293_3B5927BA X-CRM114-Status: GOOD ( 15.31 ) X-BeenThere: linux-amlogic@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-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Add MMIO access helpers: meson_dma_start() and meson_dma_ready(). Signed-off-by: Alexey Romanov Reviewed-by: Neil Armstrong --- drivers/crypto/amlogic/amlogic-gxl-cipher.c | 2 +- drivers/crypto/amlogic/amlogic-gxl-core.c | 24 ++++++++++++++++----- drivers/crypto/amlogic/amlogic-gxl.h | 2 ++ 3 files changed, 22 insertions(+), 6 deletions(-) diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c index 7eff3ae7356f..1fe916b0a138 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c +++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c @@ -225,7 +225,7 @@ static int meson_cipher(struct skcipher_request *areq) reinit_completion(&mc->chanlist[flow].complete); mc->chanlist[flow].status = 0; - writel(mc->chanlist[flow].t_phy | 2, mc->base + ((mc->pdata->descs_reg + flow) << 2)); + meson_dma_start(mc, flow); wait_for_completion_interruptible_timeout(&mc->chanlist[flow].complete, msecs_to_jiffies(500)); if (mc->chanlist[flow].status == 0) { diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c index a3a69a59f476..70c2433c56da 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-core.c +++ b/drivers/crypto/amlogic/amlogic-gxl-core.c @@ -23,18 +23,32 @@ #include "amlogic-gxl.h" +void meson_dma_start(struct meson_dev *mc, int flow) +{ + u32 offset = (mc->pdata->descs_reg + flow) << 2; + + writel(mc->chanlist[flow].t_phy | 2, mc->base + offset); +} + +static bool meson_dma_ready(struct meson_dev *mc, int flow) +{ + u32 offset = (mc->pdata->status_reg + flow) << 2; + u32 data = readl(mc->base + offset); + + if (data) + writel_relaxed(0xF, mc->base + offset); + + return data; +} + static irqreturn_t meson_irq_handler(int irq, void *data) { struct meson_dev *mc = (struct meson_dev *)data; int flow; - u32 p; for (flow = 0; flow < mc->flow_cnt; flow++) { if (mc->chanlist[flow].irq == irq) { - p = readl(mc->base + ((mc->pdata->status_reg + flow) << 2)); - if (p) { - writel_relaxed(0xF, mc->base + - ((mc->pdata->status_reg + flow) << 2)); + if (meson_dma_ready(mc, flow)) { mc->chanlist[flow].status = 1; complete(&mc->chanlist[flow].complete); return IRQ_HANDLED; diff --git a/drivers/crypto/amlogic/amlogic-gxl.h b/drivers/crypto/amlogic/amlogic-gxl.h index 9ad75da214ff..8670f7ebcdda 100644 --- a/drivers/crypto/amlogic/amlogic-gxl.h +++ b/drivers/crypto/amlogic/amlogic-gxl.h @@ -161,6 +161,8 @@ struct meson_alg_template { #endif }; +void meson_dma_start(struct meson_dev *mc, int flow); + int meson_enqueue(struct crypto_async_request *areq, u32 type); int meson_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,