From patchwork Mon Apr 12 11:51:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongqiang Niu X-Patchwork-Id: 12197813 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, UNWANTED_LANGUAGE_BODY,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7715C43460 for ; Mon, 12 Apr 2021 11:51:57 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 A333661287 for ; 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Mon, 12 Apr 2021 19:51:42 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 12 Apr 2021 19:51:41 +0800 From: Yongqiang Niu To: Chun-Kuang Hu Subject: [PATCH v4, 3/3] mailbox: cmdq: add mt8192 support Date: Mon, 12 Apr 2021 19:51:30 +0800 Message-ID: <1618228290-18413-4-git-send-email-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1618228290-18413-1-git-send-email-yongqiang.niu@mediatek.com> References: <1618228290-18413-1-git-send-email-yongqiang.niu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 447C2C1B621AAE91646F4EA40E3586078D4BF77CC13B96936FD04B446FFE24992000:8 X-MTK: N X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Project_Global_Chrome_Upstream_Group@mediatek.com, David Airlie , Jassi Brar , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Yongqiang Niu , Dennis YC Hsieh , Fabien Parent , Rob Herring , linux-mediatek@lists.infradead.org, Hsin-Yi Wang , Matthias Brugger , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" add mt8192 support Signed-off-by: Yongqiang Niu Signed-off-by: Hsin-Yi Wang --- drivers/mailbox/mtk-cmdq-mailbox.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c index e0d9a86..8da700a 100644 --- a/drivers/mailbox/mtk-cmdq-mailbox.c +++ b/drivers/mailbox/mtk-cmdq-mailbox.c @@ -36,6 +36,8 @@ #define CMDQ_THR_WAIT_TOKEN 0x30 #define CMDQ_THR_PRIORITY 0x40 +#define GCE_GCTL_VALUE 0x48 + #define CMDQ_THR_ACTIVE_SLOT_CYCLES 0x3200 #define CMDQ_THR_ENABLED 0x1 #define CMDQ_THR_DISABLED 0x0 @@ -77,11 +79,13 @@ struct cmdq { struct clk *clock; bool suspended; u8 shift_pa; + bool control_by_sw; }; struct gce_plat { u32 thread_nr; u8 shift; + bool control_by_sw; }; u8 cmdq_get_shift_pa(struct mbox_chan *chan) @@ -122,6 +126,8 @@ static void cmdq_init(struct cmdq *cmdq) int i; WARN_ON(clk_enable(cmdq->clock) < 0); + if (cmdq->control_by_sw) + writel(0x7, cmdq->base + GCE_GCTL_VALUE); writel(CMDQ_THR_ACTIVE_SLOT_CYCLES, cmdq->base + CMDQ_THR_SLOT_CYCLES); for (i = 0; i <= CMDQ_MAX_EVENT; i++) writel(i, cmdq->base + CMDQ_SYNC_TOKEN_UPDATE); @@ -598,6 +604,7 @@ static int cmdq_probe(struct platform_device *pdev) cmdq->thread_nr = plat_data->thread_nr; cmdq->shift_pa = plat_data->shift; + cmdq->control_by_sw = plat_data->control_by_sw; cmdq->irq_mask = GENMASK(cmdq->thread_nr - 1, 0); err = devm_request_irq(dev, cmdq->irq, cmdq_irq_handler, IRQF_SHARED, "mtk_cmdq", cmdq); @@ -663,11 +670,14 @@ static int cmdq_probe(struct platform_device *pdev) static const struct gce_plat gce_plat_v2 = {.thread_nr = 16}; static const struct gce_plat gce_plat_v3 = {.thread_nr = 24}; static const struct gce_plat gce_plat_v4 = {.thread_nr = 24, .shift = 3}; +static const struct gce_plat gce_plat_v5 = {.thread_nr = 24, .shift = 3, + .control_by_sw = true}; static const struct of_device_id cmdq_of_ids[] = { {.compatible = "mediatek,mt8173-gce", .data = (void *)&gce_plat_v2}, {.compatible = "mediatek,mt8183-gce", .data = (void *)&gce_plat_v3}, {.compatible = "mediatek,mt6779-gce", .data = (void *)&gce_plat_v4}, + {.compatible = "mediatek,mt8192-gce", .data = (void *)&gce_plat_v5}, {} };