From patchwork Thu Dec 2 06:13:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moudy Ho X-Patchwork-Id: 12651793 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 7DA34C433F5 for ; Thu, 2 Dec 2021 06:24:04 +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=p42JLUpaaUorxlMB83uQy+jZCBDbRhWnCScb7bH6qSM=; b=QlXpKB7Oc1j4AO q5trbIpB0ARbVtO23kHVLtLP8Uva2PRhPoI3euiwgbftiLgptxl75LvYn41iB+XMpWE4HcnwsQKiF RBFZXS+BzSGXtHM8g5zLTQoZBbiy26bGfL/sYXbc8S36RdivrlRSYBw75pDop3PHJRj2GdmOtir9z XQaJ9KSjMCvPq7VM+kp6sridz0pOB+pBj8A8/PMThRS83rpv1VnhvYqx1FR5UlJ9FFjkWUojGzpy2 iHYtVMOHinloskfkFzmOASdF6US1N855UO84uWLPxXQg77NyczsVHivPtUlaUkxscWzysvlgkdTpt CmYLT7kwaNsBNhAYdhAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1msfVe-00B3oI-7L; Thu, 02 Dec 2021 06:23:58 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1msfVE-00B3gL-AO; Thu, 02 Dec 2021 06:23:33 +0000 X-UUID: 30c116d4998e4734b6104540656acfe0-20211201 X-UUID: 30c116d4998e4734b6104540656acfe0-20211201 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1650358389; Wed, 01 Dec 2021 23:23:29 -0700 Received: from mtkexhb01.mediatek.inc (172.21.101.102) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 1 Dec 2021 22:13:27 -0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb01.mediatek.inc (172.21.101.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 2 Dec 2021 14:13:25 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 2 Dec 2021 14:13:25 +0800 From: Moudy Ho To: Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Hans Verkuil , Jernej Skrabec CC: Chun-Kuang Hu , Geert Uytterhoeven , Rob Landley , Laurent Pinchart , , , , , , Alexandre Courbot , , , , , AngeloGioacchino Del Regno , Maoguang Meng , daoyuan huang , Ping-Hsun Wu , , , , , , , , , Subject: [PATCH v10 4/4] soc: mediatek: mutex: add functions that operate registers by CMDQ Date: Thu, 2 Dec 2021 14:13:22 +0800 Message-ID: <20211202061322.19917-5-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211202061322.19917-1-moudy.ho@mediatek.com> References: <20211202061322.19917-1-moudy.ho@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211201_222332_375092_3BED8D44 X-CRM114-Status: GOOD ( 17.21 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Considering that some functions have timing requirements in specific situation, this patch adds several interface that operate registers by CMDQ. Signed-off-by: Moudy Ho Reviewed-by: AngeloGioacchino Del Regno --- drivers/soc/mediatek/mtk-mutex.c | 65 +++++++++++++++++++++++++- include/linux/soc/mediatek/mtk-mutex.h | 6 +++ 2 files changed, 70 insertions(+), 1 deletion(-) diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c index 5525c5dbfe8e..92a0e2bbd356 100644 --- a/drivers/soc/mediatek/mtk-mutex.c +++ b/drivers/soc/mediatek/mtk-mutex.c @@ -7,10 +7,14 @@ #include #include #include +#include #include #include #include #include +#include + +#define MTK_MUTEX_ENABLE BIT(0) #define MT2701_MUTEX0_MOD0 0x2c #define MT2701_MUTEX0_SOF0 0x30 @@ -164,6 +168,8 @@ struct mtk_mutex_ctx { void __iomem *regs; struct mtk_mutex mutex[10]; const struct mtk_mutex_data *data; + phys_addr_t addr; + u8 subsys_id; }; static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = { @@ -510,6 +516,25 @@ u32 mtk_mutex_get_mdp_mod(struct mtk_mutex *mutex,enum mtk_mdp_comp_id id) } EXPORT_SYMBOL_GPL(mtk_mutex_get_mdp_mod); +void mtk_mutex_add_mod_by_cmdq(struct mtk_mutex *mutex, u32 mod, + struct mmsys_cmdq_cmd *cmd) +{ + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); + unsigned int offset; + + WARN_ON(&mtx->mutex[mutex->id] != mutex); + + offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg, mutex->id); + cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id, mtx->addr + offset, + mod, mtx->data->mutex_mdp_mod_mask); + + offset = DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id); + cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id, mtx->addr + offset, + 0, mtx->data->mutex_mdp_sof_mask); +} +EXPORT_SYMBOL_GPL(mtk_mutex_add_mod_by_cmdq); + void mtk_mutex_enable(struct mtk_mutex *mutex) { struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, @@ -521,6 +546,20 @@ void mtk_mutex_enable(struct mtk_mutex *mutex) } EXPORT_SYMBOL_GPL(mtk_mutex_enable); +void mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex, + struct mmsys_cmdq_cmd *cmd) +{ + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); + + WARN_ON(&mtx->mutex[mutex->id] != mutex); + + cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id, + mtx->addr + DISP_REG_MUTEX_EN(mutex->id), + MTK_MUTEX_ENABLE, MTK_MUTEX_ENABLE); +} +EXPORT_SYMBOL_GPL(mtk_mutex_enable_by_cmdq); + void mtk_mutex_disable(struct mtk_mutex *mutex) { struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, @@ -532,6 +571,20 @@ void mtk_mutex_disable(struct mtk_mutex *mutex) } EXPORT_SYMBOL_GPL(mtk_mutex_disable); +void mtk_mutex_disable_by_cmdq(struct mtk_mutex *mutex, + struct mmsys_cmdq_cmd *cmd) +{ + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); + + WARN_ON(&mtx->mutex[mutex->id] != mutex); + + cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id, + mtx->addr + DISP_REG_MUTEX_EN(mutex->id), + 0x0, MTK_MUTEX_ENABLE); +} +EXPORT_SYMBOL_GPL(mtk_mutex_disable_by_cmdq); + void mtk_mutex_acquire(struct mtk_mutex *mutex) { struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, @@ -559,7 +612,8 @@ static int mtk_mutex_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct mtk_mutex_ctx *mtx; - struct resource *regs; + struct cmdq_client_reg cmdq_reg; + struct resource *regs, addr; int i; mtx = devm_kzalloc(dev, sizeof(*mtx), GFP_KERNEL); @@ -580,6 +634,15 @@ static int mtk_mutex_probe(struct platform_device *pdev) } } + if (of_address_to_resource(dev->of_node, 0, &addr) < 0) + mtx->addr = 0L; + else + mtx->addr = addr.start; + + if (cmdq_dev_get_client_reg(dev, &cmdq_reg, 0) != 0) + dev_info(dev, "cmdq subsys id has not been set\n"); + mtx->subsys_id = cmdq_reg.subsys; + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); mtx->regs = devm_ioremap_resource(dev, regs); if (IS_ERR(mtx->regs)) { diff --git a/include/linux/soc/mediatek/mtk-mutex.h b/include/linux/soc/mediatek/mtk-mutex.h index b2608f4220ee..05de7ad4a124 100644 --- a/include/linux/soc/mediatek/mtk-mutex.h +++ b/include/linux/soc/mediatek/mtk-mutex.h @@ -17,8 +17,14 @@ int mtk_mutex_prepare(struct mtk_mutex *mutex); void mtk_mutex_add_comp(struct mtk_mutex *mutex, enum mtk_ddp_comp_id id); u32 mtk_mutex_get_mdp_mod(struct mtk_mutex *mutex, enum mtk_mdp_comp_id id); +void mtk_mutex_add_mod_by_cmdq(struct mtk_mutex *mutex, u32 mod, + struct mmsys_cmdq_cmd *cmd); void mtk_mutex_enable(struct mtk_mutex *mutex); +void mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex, + struct mmsys_cmdq_cmd *cmd); void mtk_mutex_disable(struct mtk_mutex *mutex); +void mtk_mutex_disable_by_cmdq(struct mtk_mutex *mutex, + struct mmsys_cmdq_cmd *cmd); void mtk_mutex_remove_comp(struct mtk_mutex *mutex, enum mtk_ddp_comp_id id); void mtk_mutex_unprepare(struct mtk_mutex *mutex);