From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A647AC433FE for ; Fri, 15 Oct 2021 12:39:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9164260F44 for ; Fri, 15 Oct 2021 12:39:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238884AbhJOMmC (ORCPT ); Fri, 15 Oct 2021 08:42:02 -0400 Received: from mailgw01.mediatek.com ([60.244.123.138]:57836 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S236006AbhJOMk7 (ORCPT ); Fri, 15 Oct 2021 08:40:59 -0400 X-UUID: 291d0bf172c6429484549104d11887cc-20211015 X-UUID: 291d0bf172c6429484549104d11887cc-20211015 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1856160959; Fri, 15 Oct 2021 20:38:49 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Fri, 15 Oct 2021 20:38:48 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 15 Oct 2021 20:38:47 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 15 Oct 2021 20:38:47 +0800 From: Moudy Ho To: , Mauro Carvalho Chehab , "Rob Herring" , Matthias Brugger , "Hans Verkuil" , Jernej Skrabec CC: Maoguang Meng , daoyuan huang , Ping-Hsun Wu , "Geert Uytterhoeven" , Rob Landley , Laurent Pinchart , , , , , , , , , , , , , , , Subject: [PATCH v8 4/7] soc: mediatek: mutex: add functions that operate registers by CMDQ Date: Fri, 15 Oct 2021 20:38:29 +0800 Message-ID: <20211015123832.17914-5-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211015123832.17914-1-moudy.ho@mediatek.com> References: <20211015123832.17914-1-moudy.ho@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 --- drivers/soc/mediatek/mtk-mutex.c | 63 +++++++++++++++++++++++++- include/linux/soc/mediatek/mtk-mutex.h | 6 +++ 2 files changed, 68 insertions(+), 1 deletion(-) diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c index adab4c9edc16..874d4c60b844 100644 --- a/drivers/soc/mediatek/mtk-mutex.c +++ b/drivers/soc/mediatek/mtk-mutex.c @@ -7,10 +7,12 @@ #include #include #include +#include #include #include #include #include +#include #define MT2701_MUTEX0_MOD0 0x2c #define MT2701_MUTEX0_SOF0 0x30 @@ -143,6 +145,8 @@ 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] = { @@ -442,6 +446,25 @@ void mtk_mutex_remove_comp(struct mtk_mutex *mutex, } EXPORT_SYMBOL_GPL(mtk_mutex_remove_comp); +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, @@ -453,6 +476,20 @@ 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), + 0x1, 0x00000001); +} +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, @@ -464,6 +501,20 @@ 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, 0x00000001); +} +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, @@ -491,7 +542,8 @@ 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); @@ -512,6 +564,15 @@ 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 099ddb025d79..86c17c024d83 100644 --- a/include/linux/soc/mediatek/mtk-mutex.h +++ b/include/linux/soc/mediatek/mtk-mutex.h @@ -16,8 +16,14 @@ struct mtk_mutex *mtk_mutex_mdp_get(struct device *dev, int mtk_mutex_prepare(struct mtk_mutex *mutex); void mtk_mutex_add_comp(struct mtk_mutex *mutex, enum mtk_ddp_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); -- 2.18.0