From patchwork Mon Apr 6 09:27:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bi1IdW5nIFd1ICjlt6vpp7/lro8p?= X-Patchwork-Id: 11475107 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 526E6112C for ; Mon, 6 Apr 2020 09:38:44 +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 0ADA32051A for ; Mon, 6 Apr 2020 09:38:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="XzjSFz0J"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="W+L+/C5P" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0ADA32051A 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-mediatek-bounces+patchwork-linux-mediatek=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=ezuEXXE4pNjCpZmK5TrBwqE0R9YB4epD46qEMJ8eJhQ=; b=XzjSFz0JflP5Px xd7AJVbZ3lXlxb0V9qxN+hyQR5lkK658iAHBhiOXigW4m1NoeFu9r8r+uE1tuDlFt6QlvC5CyiY++ 4k/q742eLlQoYIy/Erl/roHNFB5WilFZjrFeD94BvPjyIQI5qI3JToz0FH5/1xxv4OEpiMb5McL8i aDEo+CER3LfGL43T/Sdr8ayuuwq7gR6z7cNJHCcsxIhx4zfZxpygjyWIe7XuAQubVrNkHFLic8hq+ OS47Y6YDslyLDuQeM410A8tvX1lU58djhzStjT+EaJx2L2bKkZlZ5Qm16bpi8o6pg55ampaFFx02l Zyz0gleN5wCy01bobdkg==; 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 1jLODJ-0000Dd-Ah; Mon, 06 Apr 2020 09:38:41 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jLOCq-0008BL-Lz; Mon, 06 Apr 2020 09:38:15 +0000 X-UUID: 1f97dbfe1f86481fb30d55b58f288500-20200406 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=srrLwmXWOsczNhYEI0r57sCOdKX0qiPArgR8S/J7H+U=; b=W+L+/C5PkGRf7uZRsoTQC/+4qJtHYBe79MofbuvBNEqVEeYycNDvs8EIlUiareaKUvWQSdSi/fdoZuYwsZ4FWTA1fdCc4MZhVcYa7D6ogi5rN1N5tbHCpUmShOkUHkBMS3dD1vFL6nXLvPCaPxfR9opqJVwmE4vIUVnsvv0dB0k=; X-UUID: 1f97dbfe1f86481fb30d55b58f288500-20200406 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 650944091; Mon, 06 Apr 2020 01:38:10 -0800 Received: from MTKMBS31N1.mediatek.inc (172.27.4.69) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Apr 2020 02:28:05 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Apr 2020 17:28:02 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 6 Apr 2020 17:28:01 +0800 From: Chun-Hung Wu To: , Jonathan Hunter , "Al Cooper" , Adrian Hunter , Florian Fainelli , , Andy Gross , Bjorn Andersson , Michal Simek , Thierry Reding , Chaotian Jing , Ulf Hansson , Rob Herring , Mark Rutland , Matthias Brugger , "Linus Walleij" , Pavel Machek , Kate Stewart , Greg Kroah-Hartman , Martin Blumenstingl , Pan Bian , "Thomas Gleixner" , Allison Randal , "Mathieu Malaterre" , Stanley Chu , "Kuohong Wang" Subject: [PATCH 1/5] [1/5] mmc: core: Extend mmc_of_parse() to parse CQE bindings Date: Mon, 6 Apr 2020 17:27:57 +0800 Message-ID: <1586165281-11888-2-git-send-email-chun-hung.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1586165281-11888-1-git-send-email-chun-hung.wu@mediatek.com> References: <1586165281-11888-1-git-send-email-chun-hung.wu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 31970E197ED6CDA124A0AA6672FCC67F20B8B96C7BEB98C749FB250F256067A82000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200406_023812_719606_12E5411A X-CRM114-Status: UNSURE ( 8.21 ) X-CRM114-Notice: Please train this message. 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Signed-off-by: Chun-Hung Wu --- drivers/mmc/core/host.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index c876872..47521c6 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -302,6 +302,11 @@ int mmc_of_parse(struct mmc_host *host) host->caps2 |= MMC_CAP2_NO_SD; if (device_property_read_bool(dev, "no-mmc")) host->caps2 |= MMC_CAP2_NO_MMC; + if (device_property_read_bool(dev, "supports-cqe")) + host->caps2 |= MMC_CAP2_CQE; + if (!device_property_read_bool(dev, "disable-cqe-dcmd")) { + host->caps2 |= MMC_CAP2_CQE_DCMD; + } /* Must be after "non-removable" check */ if (device_property_read_u32(dev, "fixed-emmc-driver-type", &drv_type) == 0) { From patchwork Mon Apr 6 09:27:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bi1IdW5nIFd1ICjlt6vpp7/lro8p?= X-Patchwork-Id: 11475071 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 AB19D14DD for ; 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Mon, 6 Apr 2020 17:28:03 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 6 Apr 2020 17:28:02 +0800 From: Chun-Hung Wu To: , Jonathan Hunter , "Al Cooper" , Adrian Hunter , Florian Fainelli , , Andy Gross , Bjorn Andersson , Michal Simek , Thierry Reding , Chaotian Jing , Ulf Hansson , Rob Herring , Mark Rutland , Matthias Brugger , "Linus Walleij" , Pavel Machek , Kate Stewart , Greg Kroah-Hartman , Martin Blumenstingl , Pan Bian , "Thomas Gleixner" , Allison Randal , "Mathieu Malaterre" , Stanley Chu , "Kuohong Wang" Subject: [PATCH 2/5] [2/5] mmc: host: Remove redundant host CQE bindings Date: Mon, 6 Apr 2020 17:27:58 +0800 Message-ID: <1586165281-11888-3-git-send-email-chun-hung.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1586165281-11888-1-git-send-email-chun-hung.wu@mediatek.com> References: <1586165281-11888-1-git-send-email-chun-hung.wu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 3A9531E2BC7618BFEB04D1E964ADCBD4D2135A383C34C28A1E705DD966F2B10A2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200406_022814_498999_46181529 X-CRM114-Status: GOOD ( 13.12 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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-mediatek@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-arm-msm@vger.kernel.org, Chun-Hung Wu , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org CQE bindings "supports-cqe" and "disable-cqe-dcmd" is parsed in mmc_of_parse(). Remove vendor code which parses CQE bindings, and use mmc_host->caps2 to decide support CQE or not. Signed-off-by: Chun-Hung Wu Acked-by: Al Cooper --- drivers/mmc/host/sdhci-brcmstb.c | 11 ++++++----- drivers/mmc/host/sdhci-msm.c | 3 +-- drivers/mmc/host/sdhci-of-arasan.c | 3 --- drivers/mmc/host/sdhci-tegra.c | 2 +- 4 files changed, 8 insertions(+), 11 deletions(-) diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c index ad01f64..07c90c6 100644 --- a/drivers/mmc/host/sdhci-brcmstb.c +++ b/drivers/mmc/host/sdhci-brcmstb.c @@ -247,10 +247,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) return res; memset(&brcmstb_pdata, 0, sizeof(brcmstb_pdata)); - if (device_property_read_bool(&pdev->dev, "supports-cqe")) { - has_cqe = true; - match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; - } brcmstb_pdata.ops = match_priv->ops; host = sdhci_pltfm_init(pdev, &brcmstb_pdata, sizeof(struct sdhci_brcmstb_priv)); @@ -261,7 +257,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) pltfm_host = sdhci_priv(host); priv = sdhci_pltfm_priv(pltfm_host); - priv->has_cqe = has_cqe; /* Map in the non-standard CFG registers */ iomem = platform_get_resource(pdev, IORESOURCE_MEM, 1); @@ -276,6 +271,12 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) if (res) goto err; + if (host->mmc->caps2 & MMC_CAP2_CQE) { + has_cqe = true; + match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; + } + priv->has_cqe = has_cqe; + /* * If the chip has enhanced strobe and it's enabled, add * callback diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index c3a160c..fbb2f57 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -1880,7 +1880,6 @@ static int sdhci_msm_probe(struct platform_device *pdev) u8 core_major; const struct sdhci_msm_offset *msm_offset; const struct sdhci_msm_variant_info *var_info; - struct device_node *node = pdev->dev.of_node; host = sdhci_pltfm_init(pdev, &sdhci_msm_pdata, sizeof(*msm_host)); if (IS_ERR(host)) @@ -2076,7 +2075,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) pm_runtime_use_autosuspend(&pdev->dev); host->mmc_host_ops.execute_tuning = sdhci_msm_execute_tuning; - if (of_property_read_bool(node, "supports-cqe")) + if (host->mmc->caps2 & MMC_CAP2_CQE) ret = sdhci_msm_cqe_add_host(host, pdev); else ret = sdhci_add_host(host); diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c index e49b44b..359eff6 100644 --- a/drivers/mmc/host/sdhci-of-arasan.c +++ b/drivers/mmc/host/sdhci-of-arasan.c @@ -1281,9 +1281,6 @@ static int sdhci_arasan_probe(struct platform_device *pdev) sdhci_arasan_voltage_switch; sdhci_arasan->has_cqe = true; host->mmc->caps2 |= MMC_CAP2_CQE; - - if (!of_property_read_bool(np, "disable-cqe-dcmd")) - host->mmc->caps2 |= MMC_CAP2_CQE_DCMD; } ret = sdhci_arasan_add_host(sdhci_arasan); diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 403ac44..d09abdd 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -715,7 +715,7 @@ static void tegra_sdhci_parse_dt(struct sdhci_host *host) struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host); - if (device_property_read_bool(host->mmc->parent, "supports-cqe")) + if (host->mmc->caps2 & MMC_CAP2_CQE) tegra_host->enable_hwcq = true; else tegra_host->enable_hwcq = false; From patchwork Mon Apr 6 09:27:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bi1IdW5nIFd1ICjlt6vpp7/lro8p?= X-Patchwork-Id: 11475115 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 1E77F112C for ; Mon, 6 Apr 2020 09:39:19 +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 F01922051A for ; Mon, 6 Apr 2020 09:39:18 +0000 (UTC) Authentication-Results: mail.kernel.org; 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b=MgB7cMY5Q6IuqZJ6KHvW4k001OEioti2hLxHpKgL8/AnsJo51haVEszwvoxZ+CQmPh1Tr60aY+rSaUT6srmRIE7gfzHlH0gT+W/4l6eRknjkjwZ6JKyMUX3Qvau362A/jdI+o7llHnDwRoTs7VozWl31AWBaOf3MP/YX85uTm0k=; X-UUID: 047224dfe0a84241a220957c02643722-20200406 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 625602563; Mon, 06 Apr 2020 01:38:14 -0800 Received: from MTKMBS31DR.mediatek.inc (172.27.6.102) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Apr 2020 02:28:07 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by MTKMBS31DR.mediatek.inc (172.27.6.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Apr 2020 17:28:03 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 6 Apr 2020 17:28:02 +0800 From: Chun-Hung Wu To: , Jonathan Hunter , "Al Cooper" , Adrian Hunter , Florian Fainelli , , Andy Gross , Bjorn Andersson , Michal Simek , Thierry Reding , Chaotian Jing , Ulf Hansson , Rob Herring , Mark Rutland , Matthias Brugger , "Linus Walleij" , Pavel Machek , Kate Stewart , Greg Kroah-Hartman , Martin Blumenstingl , Pan Bian , "Thomas Gleixner" , Allison Randal , "Mathieu Malaterre" , Stanley Chu , "Kuohong Wang" Subject: [PATCH 3/5] [3/5] mmc: mediatek: refine msdc timeout api Date: Mon, 6 Apr 2020 17:27:59 +0800 Message-ID: <1586165281-11888-4-git-send-email-chun-hung.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1586165281-11888-1-git-send-email-chun-hung.wu@mediatek.com> References: <1586165281-11888-1-git-send-email-chun-hung.wu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 16F3C6724004E6AA8460B143588F4E3011ADAC7C8487500B14833265BC6D0BD32000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200406_023815_739916_A5634C07 X-CRM114-Status: GOOD ( 11.03 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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-mediatek@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-arm-msm@vger.kernel.org, Chun-Hung Wu , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Extract msdc timeout api common part to have better code architecture and avoid redundent code. Signed-off-by: Chun-Hung Wu --- drivers/mmc/host/mtk-sd.c | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 7726dcf..a2328fb 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -699,21 +699,21 @@ static void msdc_unprepare_data(struct msdc_host *host, struct mmc_request *mrq) } } -/* clock control primitives */ -static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks) +static u64 msdc_timeout_cal(struct msdc_host *host, u64 ns, u64 clks) { - u32 timeout, clk_ns; + u64 timeout, clk_ns; u32 mode = 0; - host->timeout_ns = ns; - host->timeout_clks = clks; if (host->mmc->actual_clock == 0) { timeout = 0; } else { - clk_ns = 1000000000UL / host->mmc->actual_clock; - timeout = (ns + clk_ns - 1) / clk_ns + clks; + clk_ns = 1000000000ULL; + do_div(clk_ns, host->mmc->actual_clock); + timeout = ns + clk_ns - 1; + do_div(timeout, clk_ns); + timeout += clks; /* in 1048576 sclk cycle unit */ - timeout = (timeout + (0x1 << 20) - 1) >> 20; + timeout = DIV_ROUND_UP(timeout, (0x1 << 20)); if (host->dev_comp->clk_div_bits == 8) sdr_get_field(host->base + MSDC_CFG, MSDC_CFG_CKMOD, &mode); @@ -723,9 +723,21 @@ static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks) /*DDR mode will double the clk cycles for data timeout */ timeout = mode >= 2 ? timeout * 2 : timeout; timeout = timeout > 1 ? timeout - 1 : 0; - timeout = timeout > 255 ? 255 : timeout; } - sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, timeout); + return timeout; +} + +/* clock control primitives */ +static void msdc_set_timeout(struct msdc_host *host, u64 ns, u64 clks) +{ + u64 timeout; + + host->timeout_ns = ns; + host->timeout_clks = clks; + + timeout = msdc_timeout_cal(host, ns, clks); + sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, + (u32)(timeout > 255 ? 255 : timeout)); } static void msdc_gate_clock(struct msdc_host *host) From patchwork Mon Apr 6 09:28:00 2020 Content-Type: text/plain; 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Mon, 06 Apr 2020 01:28:11 -0800 Received: from MTKMBS31N2.mediatek.inc (172.27.4.87) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Apr 2020 02:28:06 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by MTKMBS31N2.mediatek.inc (172.27.4.87) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Apr 2020 17:28:04 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 6 Apr 2020 17:28:03 +0800 From: Chun-Hung Wu To: , Jonathan Hunter , "Al Cooper" , Adrian Hunter , Florian Fainelli , , Andy Gross , Bjorn Andersson , Michal Simek , Thierry Reding , Chaotian Jing , Ulf Hansson , Rob Herring , Mark Rutland , Matthias Brugger , "Linus Walleij" , Pavel Machek , Kate Stewart , Greg Kroah-Hartman , Martin Blumenstingl , Pan Bian , "Thomas Gleixner" , Allison Randal , "Mathieu Malaterre" , Stanley Chu , "Kuohong Wang" Subject: [PATCH 4/5] [4/5] mmc: mediatek: command queue support Date: Mon, 6 Apr 2020 17:28:00 +0800 Message-ID: <1586165281-11888-5-git-send-email-chun-hung.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1586165281-11888-1-git-send-email-chun-hung.wu@mediatek.com> References: <1586165281-11888-1-git-send-email-chun-hung.wu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 9EDC88A9D882AF1E302692BE455AB7C9EB2BAE0811192905FAE38824E5F8FE282000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200406_022815_194464_DC050067 X-CRM114-Status: GOOD ( 15.35 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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-mediatek@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-arm-msm@vger.kernel.org, Chun-Hung Wu , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Support command queue for mt6779 platform. a. Add msdc_set_busy_timeout() to calculate emmc write timeout b. Connect mtk msdc driver to cqhci driver through host->cq_host->ops = &msdc_cmdq_ops; c. msdc_cmdq_irq() will link up with cqchi_irq(). Besides, it provides more irq error messages like RSPCRCERR/CMDTO/DATACRCERR/DATTMO. d. Use the options below to separate support for CQHCI or not, because some of our platform does not support CQHCI hence no kernel option: CONFIG_MMC_CQHCI. #if IS_ENABLED(CONFIG_MMC_CQHCI) XXX //Support CQHCI #else XXX //Not support CQHCI #endif Signed-off-by: Chun-Hung Wu --- drivers/mmc/host/mtk-sd.c | 119 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index a2328fb..8516888 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -31,6 +31,8 @@ #include #include +#include "cqhci.h" + #define MAX_BD_NUM 1024 /*--------------------------------------------------------------------------*/ @@ -151,6 +153,7 @@ #define MSDC_INT_DMA_BDCSERR (0x1 << 17) /* W1C */ #define MSDC_INT_DMA_GPDCSERR (0x1 << 18) /* W1C */ #define MSDC_INT_DMA_PROTECT (0x1 << 19) /* W1C */ +#define MSDC_INT_CMDQ (0x1 << 28) /* W1C */ /* MSDC_INTEN mask */ #define MSDC_INTEN_MMCIRQ (0x1 << 0) /* RW */ @@ -181,6 +184,7 @@ /* SDC_CFG mask */ #define SDC_CFG_SDIOINTWKUP (0x1 << 0) /* RW */ #define SDC_CFG_INSWKUP (0x1 << 1) /* RW */ +#define SDC_CFG_WRDTOC (0x1fff << 2) /* RW */ #define SDC_CFG_BUSWIDTH (0x3 << 16) /* RW */ #define SDC_CFG_SDIO (0x1 << 19) /* RW */ #define SDC_CFG_SDIOIDE (0x1 << 20) /* RW */ @@ -229,6 +233,7 @@ #define MSDC_PATCH_BIT_DECRCTMO (0x1 << 30) /* RW */ #define MSDC_PATCH_BIT1_CMDTA (0x7 << 3) /* RW */ +#define MSDC_PB1_BUSY_CHECK_SEL (0x1 << 7) /* RW */ #define MSDC_PATCH_BIT1_STOP_DLY (0xf << 8) /* RW */ #define MSDC_PATCH_BIT2_CFGRESP (0x1 << 15) /* RW */ @@ -432,6 +437,7 @@ struct msdc_host { struct msdc_save_para save_para; /* used when gate HCLK */ struct msdc_tune_para def_tune_para; /* default tune setting */ struct msdc_tune_para saved_tune_para; /* tune result of CMD21/CMD19 */ + struct cqhci_host *cq_host; }; static const struct mtk_mmc_compatible mt8135_compat = { @@ -528,6 +534,18 @@ struct msdc_host { .use_internal_cd = true, }; +static const struct mtk_mmc_compatible mt6779_compat = { + .clk_div_bits = 12, + .hs400_tune = false, + .pad_tune_reg = MSDC_PAD_TUNE0, + .async_fifo = true, + .data_tune = true, + .busy_check = true, + .stop_clk_fix = true, + .enhance_rx = true, + .support_64g = true, +}; + static const struct of_device_id msdc_of_ids[] = { { .compatible = "mediatek,mt8135-mmc", .data = &mt8135_compat}, { .compatible = "mediatek,mt8173-mmc", .data = &mt8173_compat}, @@ -537,6 +555,7 @@ struct msdc_host { { .compatible = "mediatek,mt7622-mmc", .data = &mt7622_compat}, { .compatible = "mediatek,mt8516-mmc", .data = &mt8516_compat}, { .compatible = "mediatek,mt7620-mmc", .data = &mt7620_compat}, + { .compatible = "mediatek,mt6779-mmc", .data = &mt6779_compat}, {} }; MODULE_DEVICE_TABLE(of, msdc_of_ids); @@ -740,6 +759,15 @@ static void msdc_set_timeout(struct msdc_host *host, u64 ns, u64 clks) (u32)(timeout > 255 ? 255 : timeout)); } +static void msdc_set_busy_timeout(struct msdc_host *host, u64 ns, u64 clks) +{ + u64 timeout; + + timeout = msdc_timeout_cal(host, ns, clks); + sdr_set_field(host->base + SDC_CFG, SDC_CFG_WRDTOC, + (u32)(timeout > 8191 ? 8191 : timeout)); +} + static void msdc_gate_clock(struct msdc_host *host) { clk_disable_unprepare(host->src_clk_cg); @@ -1426,6 +1454,36 @@ static void msdc_enable_sdio_irq(struct mmc_host *mmc, int enb) pm_runtime_put_noidle(host->dev); } +#if IS_ENABLED(CONFIG_MMC_CQHCI) +static irqreturn_t msdc_cmdq_irq(struct msdc_host *host, u32 intsts) +{ + int cmd_err = 0, dat_err = 0; + + if (intsts & MSDC_INT_RSPCRCERR) { + cmd_err = (unsigned int)-EILSEQ; + dev_err(host->dev, "%s: CMD CRC ERR", __func__); + } else if (intsts & MSDC_INT_CMDTMO) { + cmd_err = (unsigned int)-ETIMEDOUT; + dev_err(host->dev, "%s: CMD TIMEOUT ERR", __func__); + } + + if (intsts & MSDC_INT_DATCRCERR) { + dat_err = (unsigned int)-EILSEQ; + dev_err(host->dev, "%s: DATA CRC ERR", __func__); + } else if (intsts & MSDC_INT_DATTMO) { + dat_err = (unsigned int)-ETIMEDOUT; + dev_err(host->dev, "%s: DATA TIMEOUT ERR", __func__); + } + + if (cmd_err || dat_err) { + dev_err(host->dev, "cmd_err = %d, dat_err =%d, intsts = 0x%x", + cmd_err, dat_err, intsts); + } + + return cqhci_irq(host->mmc, 0, cmd_err, dat_err); +} +#endif + static irqreturn_t msdc_irq(int irq, void *dev_id) { struct msdc_host *host = (struct msdc_host *) dev_id; @@ -1462,6 +1520,16 @@ static irqreturn_t msdc_irq(int irq, void *dev_id) if (!(events & (event_mask & ~MSDC_INT_SDIOIRQ))) break; +#if IS_ENABLED(CONFIG_MMC_CQHCI) + if ((host->mmc->caps2 & MMC_CAP2_CQE) && + (events & MSDC_INT_CMDQ)) { + msdc_cmdq_irq(host, events); + /* clear interrupts */ + writel(events, host->base + MSDC_INT); + return IRQ_HANDLED; + } +#endif + if (!mrq) { dev_err(host->dev, "%s: MRQ=NULL; events=%08X; event_mask=%08X\n", @@ -2146,6 +2214,36 @@ static int msdc_get_cd(struct mmc_host *mmc) return !val; } +static void msdc_cqe_enable(struct mmc_host *mmc) +{ + struct msdc_host *host = mmc_priv(mmc); + + /* enable cmdq irq */ + writel(MSDC_INT_CMDQ, host->base + MSDC_INTEN); + /* enable busy check */ + sdr_set_bits(host->base + MSDC_PATCH_BIT1, MSDC_PB1_BUSY_CHECK_SEL); + /* default write data / busy timeout 20s */ + msdc_set_busy_timeout(host, 20 * 1000000000ULL, 0); + /* default read data timeout 1s */ + msdc_set_timeout(host, 1000000000ULL, 0); +} + +void msdc_cqe_disable(struct mmc_host *mmc, bool recovery) +{ + struct msdc_host *host = mmc_priv(mmc); + + /* disable cmdq irq */ + sdr_clr_bits(host->base + MSDC_INTEN, MSDC_INT_CMDQ); + /* disable busy check */ + sdr_clr_bits(host->base + MSDC_PATCH_BIT1, MSDC_PB1_BUSY_CHECK_SEL); + + if (recovery) { + sdr_set_field(host->base + MSDC_DMA_CTRL, + MSDC_DMA_CTRL_STOP, 1); + msdc_reset_hw(host); + } +} + static const struct mmc_host_ops mt_msdc_ops = { .post_req = msdc_post_req, .pre_req = msdc_pre_req, @@ -2162,6 +2260,11 @@ static int msdc_get_cd(struct mmc_host *mmc) .hw_reset = msdc_hw_reset, }; +static const struct cqhci_host_ops msdc_cmdq_ops = { + .enable = msdc_cqe_enable, + .disable = msdc_cqe_disable, +}; + static void msdc_of_property_parse(struct platform_device *pdev, struct msdc_host *host) { @@ -2312,6 +2415,22 @@ static int msdc_drv_probe(struct platform_device *pdev) host->dma_mask = DMA_BIT_MASK(32); mmc_dev(mmc)->dma_mask = &host->dma_mask; +#if IS_ENABLED(CONFIG_MMC_CQHCI) + if (mmc->caps2 & MMC_CAP2_CQE) { + host->cq_host = devm_kzalloc(host->mmc->parent, + sizeof(*host->cq_host), + GFP_KERNEL); + host->cq_host->caps |= CQHCI_TASK_DESC_SZ_128; + host->cq_host->mmio = host->base + 0x800; + host->cq_host->ops = &msdc_cmdq_ops; + cqhci_init(host->cq_host, mmc, true); + mmc->max_segs = 128; + /* cqhci 16bit length */ + /* 0 size, means 65536 so we don't have to -1 here */ + mmc->max_seg_size = 64 * 1024; + } +#endif + host->timeout_clks = 3 * 1048576; host->dma.gpd = dma_alloc_coherent(&pdev->dev, 2 * sizeof(struct mt_gpdma_desc), From patchwork Mon Apr 6 09:28:01 2020 Content-Type: text/plain; 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Mon, 06 Apr 2020 01:38:10 -0800 Received: from MTKMBS31N1.mediatek.inc (172.27.4.69) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Apr 2020 02:28:05 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Apr 2020 17:28:05 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 6 Apr 2020 17:28:04 +0800 From: Chun-Hung Wu To: , Jonathan Hunter , "Al Cooper" , Adrian Hunter , Florian Fainelli , , Andy Gross , Bjorn Andersson , Michal Simek , Thierry Reding , Chaotian Jing , Ulf Hansson , Rob Herring , Mark Rutland , Matthias Brugger , "Linus Walleij" , Pavel Machek , Kate Stewart , Greg Kroah-Hartman , Martin Blumenstingl , Pan Bian , "Thomas Gleixner" , Allison Randal , "Mathieu Malaterre" , Stanley Chu , "Kuohong Wang" Subject: [PATCH 5/5] [5/5] dt-bindings: mmc: mediatek: Add document for mt6779 Date: Mon, 6 Apr 2020 17:28:01 +0800 Message-ID: <1586165281-11888-6-git-send-email-chun-hung.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1586165281-11888-1-git-send-email-chun-hung.wu@mediatek.com> References: <1586165281-11888-1-git-send-email-chun-hung.wu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 8B6ED226D887333A20D37789CC4E855045383E3B61A17AF6877632A640788D142000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200406_023815_313589_00C733CE X-CRM114-Status: UNSURE ( 9.54 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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-mediatek@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-arm-msm@vger.kernel.org, Chun-Hung Wu , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Add compatible node for mt6779 mmc Signed-off-by: Chun-Hung Wu --- Documentation/devicetree/bindings/mmc/mtk-sd.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt index 8a532f4..0c9cf6a 100644 --- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt @@ -12,6 +12,7 @@ Required properties: "mediatek,mt8173-mmc": for mmc host ip compatible with mt8173 "mediatek,mt8183-mmc": for mmc host ip compatible with mt8183 "mediatek,mt8516-mmc": for mmc host ip compatible with mt8516 + "mediatek,mt6779-mmc": for mmc host ip compatible with mt6779 "mediatek,mt2701-mmc": for mmc host ip compatible with mt2701 "mediatek,mt2712-mmc": for mmc host ip compatible with mt2712 "mediatek,mt7622-mmc": for MT7622 SoC