From patchwork Wed Dec 1 09:50:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moudy Ho X-Patchwork-Id: 520039 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9006DC4167B for ; Wed, 1 Dec 2021 09:51:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348388AbhLAJyc (ORCPT ); Wed, 1 Dec 2021 04:54:32 -0500 Received: from mailgw01.mediatek.com ([60.244.123.138]:48416 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1348356AbhLAJy3 (ORCPT ); Wed, 1 Dec 2021 04:54:29 -0500 X-UUID: 5a3283146a6a4d8da7d26dd6fa7355df-20211201 X-UUID: 5a3283146a6a4d8da7d26dd6fa7355df-20211201 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1500848343; Wed, 01 Dec 2021 17:51:05 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 1 Dec 2021 17:51:03 +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; Wed, 1 Dec 2021 17:51:03 +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 v9 4/7] soc: mediatek: mutex: add functions that operate registers by CMDQ Date: Wed, 1 Dec 2021 17:50:28 +0800 Message-ID: <20211201095031.31606-5-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211201095031.31606-1-moudy.ho@mediatek.com> References: <20211201095031.31606-1-moudy.ho@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@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 | 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 e5e6255f5b84..320d0b72c78d 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 @@ -155,6 +159,8 @@ 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] = { @@ -475,6 +481,25 @@ 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, @@ -486,6 +511,20 @@ 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, @@ -497,6 +536,20 @@ 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, @@ -524,7 +577,8 @@ 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); @@ -545,6 +599,15 @@ 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);