From patchwork Tue May 31 05:52:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moudy Ho X-Patchwork-Id: 577598 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 B80F5C4321E for ; Tue, 31 May 2022 05:52:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244115AbiEaFwi (ORCPT ); Tue, 31 May 2022 01:52:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42366 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244098AbiEaFwf (ORCPT ); Tue, 31 May 2022 01:52:35 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1038619FAF; Mon, 30 May 2022 22:52:32 -0700 (PDT) X-UUID: d1f65c8a3ba94c8c860910c931363db9-20220531 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5, REQID:f901a3ec-ed3e-41e6-9147-610cb9643b8e, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:2a19b09, CLOUDID:fef0ee89-32d7-4fc0-b2ef-8776ac194f8f, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:0,BEC:nil X-UUID: d1f65c8a3ba94c8c860910c931363db9-20220531 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 240645898; Tue, 31 May 2022 13:52:27 +0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Tue, 31 May 2022 13:52:26 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 31 May 2022 13:52:25 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Tue, 31 May 2022 13:52:25 +0800 From: Moudy Ho To: Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , "Krzysztof Kozlowski" , Hans Verkuil CC: Chun-Kuang Hu , Rob Landley , Laurent Pinchart , , , , , , Alexandre Courbot , , , , , Benjamin Gaignard , AngeloGioacchino Del Regno , daoyuan huang , Ping-Hsun Wu , , , , , , , , , Subject: [PATCH v19 1/6] soc: mediatek: mutex: add common interface for modules setting Date: Tue, 31 May 2022 13:52:19 +0800 Message-ID: <20220531055224.19280-2-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220531055224.19280-1-moudy.ho@mediatek.com> References: <20220531055224.19280-1-moudy.ho@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org In order to allow multiple modules to operate MUTEX hardware through a common interfrace, two flexible indexes "mtk_mutex_mod_index" and "mtk_mutex_sof_index" need to be added to replace original component ID so that like DDP and MDP can add their own MOD table or SOF settings independently. In addition, 2 generic interface "mtk_mutex_write_mod" and "mtk_mutex_write_sof" have been added, which is expected to replace the "mtk_mutex_add_comp" and "mtk_mutex_remove_comp" pair originally dedicated to DDP in the future. Signed-off-by: Moudy Ho Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Rex-BC Chen --- drivers/soc/mediatek/mtk-mutex.c | 59 ++++++++++++++++++++++++++ include/linux/soc/mediatek/mtk-mutex.h | 26 ++++++++++++ 2 files changed, 85 insertions(+) diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c index 981d56967e7a..a3b054b33826 100644 --- a/drivers/soc/mediatek/mtk-mutex.c +++ b/drivers/soc/mediatek/mtk-mutex.c @@ -185,6 +185,7 @@ struct mtk_mutex_data { const unsigned int *mutex_sof; const unsigned int mutex_mod_reg; const unsigned int mutex_sof_reg; + const unsigned int *mutex_table_mod; const bool no_clk; }; @@ -606,6 +607,64 @@ void mtk_mutex_release(struct mtk_mutex *mutex) } EXPORT_SYMBOL_GPL(mtk_mutex_release); +int mtk_mutex_write_mod(struct mtk_mutex *mutex, + enum mtk_mutex_mod_index idx, bool clear) +{ + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); + unsigned int reg; + unsigned int offset; + + WARN_ON(&mtx->mutex[mutex->id] != mutex); + + if (idx < MUTEX_MOD_IDX_MDP_RDMA0 || + idx >= MUTEX_MOD_IDX_MAX) { + dev_err(mtx->dev, "Not supported MOD table index : %d", idx); + return -EINVAL; + } + + offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg, + mutex->id); + reg = readl_relaxed(mtx->regs + offset); + + if (clear) + reg &= ~BIT(mtx->data->mutex_table_mod[idx]); + else + reg |= BIT(mtx->data->mutex_table_mod[idx]); + + writel_relaxed(reg, mtx->regs + offset); + + return 0; +} +EXPORT_SYMBOL_GPL(mtk_mutex_write_mod); + +int mtk_mutex_write_sof(struct mtk_mutex *mutex, + enum mtk_mutex_sof_index idx, bool clear) +{ + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); + unsigned int val; + + WARN_ON(&mtx->mutex[mutex->id] != mutex); + + if (idx < MUTEX_SOF_IDX_SINGLE_MODE || + idx >= MUTEX_SOF_IDX_MAX) { + dev_err(mtx->dev, "Not supported SOF index : %d", idx); + return -EINVAL; + } + + if (clear) + val = MUTEX_SOF_SINGLE_MODE; + else + val = idx; + + writel_relaxed(val, mtx->regs + + DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id)); + + return 0; +} +EXPORT_SYMBOL_GPL(mtk_mutex_write_sof); + static int mtk_mutex_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; diff --git a/include/linux/soc/mediatek/mtk-mutex.h b/include/linux/soc/mediatek/mtk-mutex.h index 6fe4ffbde290..829231523e3f 100644 --- a/include/linux/soc/mediatek/mtk-mutex.h +++ b/include/linux/soc/mediatek/mtk-mutex.h @@ -10,6 +10,26 @@ struct regmap; struct device; struct mtk_mutex; +enum mtk_mutex_mod_index { + /* MDP table index */ + MUTEX_MOD_IDX_MDP_RDMA0, + MUTEX_MOD_IDX_MDP_RSZ0, + MUTEX_MOD_IDX_MDP_RSZ1, + MUTEX_MOD_IDX_MDP_TDSHP0, + MUTEX_MOD_IDX_MDP_WROT0, + MUTEX_MOD_IDX_MDP_WDMA, + MUTEX_MOD_IDX_MDP_AAL0, + MUTEX_MOD_IDX_MDP_CCORR0, + + MUTEX_MOD_IDX_MAX /* ALWAYS keep at the end */ +}; + +enum mtk_mutex_sof_index { + MUTEX_SOF_IDX_SINGLE_MODE, + + MUTEX_SOF_IDX_MAX /* ALWAYS keep at the end */ +}; + struct mtk_mutex *mtk_mutex_get(struct device *dev); int mtk_mutex_prepare(struct mtk_mutex *mutex); void mtk_mutex_add_comp(struct mtk_mutex *mutex, @@ -22,5 +42,11 @@ void mtk_mutex_unprepare(struct mtk_mutex *mutex); void mtk_mutex_put(struct mtk_mutex *mutex); void mtk_mutex_acquire(struct mtk_mutex *mutex); void mtk_mutex_release(struct mtk_mutex *mutex); +int mtk_mutex_write_mod(struct mtk_mutex *mutex, + enum mtk_mutex_mod_index idx, + bool clear); +int mtk_mutex_write_sof(struct mtk_mutex *mutex, + enum mtk_mutex_sof_index idx, + bool clear); #endif /* MTK_MUTEX_H */ From patchwork Tue May 31 05:52:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moudy Ho X-Patchwork-Id: 577599 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 53422C43217 for ; Tue, 31 May 2022 05:52:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244107AbiEaFwg (ORCPT ); Tue, 31 May 2022 01:52:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244091AbiEaFwe (ORCPT ); Tue, 31 May 2022 01:52:34 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC1031EC5B; Mon, 30 May 2022 22:52:32 -0700 (PDT) X-UUID: c8b98e9c644b46748a5c2dd09aecf579-20220531 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5, REQID:0d84291c-b351-48bf-8af8-0e0e8f22b85b, OB:0, LO B:0,IP:0,URL:25,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACT ION:release,TS:25 X-CID-META: VersionHash:2a19b09, CLOUDID:f4c45714-f88c-475e-badf-d9ee54230b8f, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:1,File:nil ,QS:0,BEC:nil X-UUID: c8b98e9c644b46748a5c2dd09aecf579-20220531 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 2081357712; Tue, 31 May 2022 13:52:27 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Tue, 31 May 2022 13:52:26 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Tue, 31 May 2022 13:52:26 +0800 From: Moudy Ho To: Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , "Krzysztof Kozlowski" , Hans Verkuil CC: Chun-Kuang Hu , Rob Landley , Laurent Pinchart , , , , , , Alexandre Courbot , , , , , Benjamin Gaignard , AngeloGioacchino Del Regno , daoyuan huang , Ping-Hsun Wu , , , , , , , , , Subject: [PATCH v19 3/6] dt-bindings: soc: mediatek: move out common module from display folder Date: Tue, 31 May 2022 13:52:21 +0800 Message-ID: <20220531055224.19280-4-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220531055224.19280-1-moudy.ho@mediatek.com> References: <20220531055224.19280-1-moudy.ho@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org In order to share the same hardware information with MDP3, change the MUTEX dt-binding to the path "soc/mediatek". Signed-off-by: Moudy Ho Acked-by: Rob Herring Acked-by: Chun-Kuang Hu Reviewed-by: AngeloGioacchino Del Regno --- .../bindings/{display => soc}/mediatek/mediatek,mutex.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) rename Documentation/devicetree/bindings/{display => soc}/mediatek/mediatek,mutex.yaml (97%) diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mutex.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mutex.yaml similarity index 97% rename from Documentation/devicetree/bindings/display/mediatek/mediatek,mutex.yaml rename to Documentation/devicetree/bindings/soc/mediatek/mediatek,mutex.yaml index 3fdad71210b4..50e3388c14a8 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,mutex.yaml +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mutex.yaml @@ -1,7 +1,7 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- -$id: http://devicetree.org/schemas/display/mediatek/mediatek,mutex.yaml# +$id: http://devicetree.org/schemas/soc/mediatek/mediatek,mutex.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Mediatek mutex From patchwork Tue May 31 05:52:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moudy Ho X-Patchwork-Id: 577597 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 5E911C433F5 for ; Tue, 31 May 2022 05:52:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244136AbiEaFwn (ORCPT ); Tue, 31 May 2022 01:52:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244100AbiEaFwf (ORCPT ); Tue, 31 May 2022 01:52:35 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB64B252BC; Mon, 30 May 2022 22:52:33 -0700 (PDT) X-UUID: 81cc83c9a02f4aada34d47e58a70b393-20220531 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5, REQID:20506c02-28ae-47bd-ad24-f8106c72b147, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:2a19b09, CLOUDID:6cc55714-f88c-475e-badf-d9ee54230b8f, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:0,BEC:nil X-UUID: 81cc83c9a02f4aada34d47e58a70b393-20220531 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1357887848; Tue, 31 May 2022 13:52:27 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Tue, 31 May 2022 13:52:26 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Tue, 31 May 2022 13:52:26 +0800 From: Moudy Ho To: Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Krzysztof Kozlowski , Hans Verkuil CC: Chun-Kuang Hu , Rob Landley , Laurent Pinchart , , , , , , Alexandre Courbot , , , , , Benjamin Gaignard , AngeloGioacchino Del Regno , daoyuan huang , Ping-Hsun Wu , , , , , , , , , Subject: [PATCH v19 6/6] soc: mediatek: mutex: add functions that operate registers by CMDQ Date: Tue, 31 May 2022 13:52:24 +0800 Message-ID: <20220531055224.19280-7-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220531055224.19280-1-moudy.ho@mediatek.com> References: <20220531055224.19280-1-moudy.ho@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Due to HW limitations, MDP3 is necessary to enable MUTEX in each frame for SOF triggering and cooperate with CMDQ control to reduce the amount of interrupts generated(also, reduce frame latency). In response to the above situation, a new interface "mtk_mutex_enable_by_cmdq" has been added to achieve the purpose. Signed-off-by: Moudy Ho Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Rex-BC Chen Reviewed-by: CK Hu --- drivers/soc/mediatek/mtk-mutex.c | 45 +++++++++++++++++++++++++- include/linux/soc/mediatek/mtk-mutex.h | 2 ++ 2 files changed, 46 insertions(+), 1 deletion(-) diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c index 23009445adb4..b93dd391fc86 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 @@ -204,6 +206,8 @@ struct mtk_mutex_ctx { void __iomem *regs; struct mtk_mutex mutex[10]; const struct mtk_mutex_data *data; + phys_addr_t addr; + struct cmdq_client_reg cmdq_reg; }; static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = { @@ -594,6 +598,30 @@ void mtk_mutex_enable(struct mtk_mutex *mutex) } EXPORT_SYMBOL_GPL(mtk_mutex_enable); +int mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex, void *pkt) +{ + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + struct cmdq_pkt *cmdq_pkt = (struct cmdq_pkt *)pkt; + + WARN_ON(&mtx->mutex[mutex->id] != mutex); + + if (!mtx->cmdq_reg.size) { + dev_err(mtx->dev, "mediatek,gce-client-reg hasn't been set"); + return -EINVAL; + } + + cmdq_pkt_write(cmdq_pkt, mtx->cmdq_reg.subsys, + mtx->addr + DISP_REG_MUTEX_EN(mutex->id), 1); + return 0; +#else + dev_err(mtx->dev, "Not support for enable MUTEX by CMDQ"); + return -ENODEV; +#endif +} +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, @@ -690,8 +718,11 @@ static int mtk_mutex_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct mtk_mutex_ctx *mtx; - struct resource *regs; + struct resource *regs, addr; int i; +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + int ret; +#endif mtx = devm_kzalloc(dev, sizeof(*mtx), GFP_KERNEL); if (!mtx) @@ -711,6 +742,18 @@ static int mtk_mutex_probe(struct platform_device *pdev) } } + if (of_address_to_resource(dev->of_node, 0, &addr) < 0) { + dev_err(dev, "Failed to get addr\n"); + return -EINVAL; + } + mtx->addr = addr.start; + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + ret = cmdq_dev_get_client_reg(dev, &mtx->cmdq_reg, 0); + if (ret) + dev_dbg(dev, "No mediatek,gce-client-reg!\n"); +#endif + 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 829231523e3f..385ec8795c1d 100644 --- a/include/linux/soc/mediatek/mtk-mutex.h +++ b/include/linux/soc/mediatek/mtk-mutex.h @@ -35,6 +35,8 @@ 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_enable(struct mtk_mutex *mutex); +int mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex, + void *pkt); void mtk_mutex_disable(struct mtk_mutex *mutex); void mtk_mutex_remove_comp(struct mtk_mutex *mutex, enum mtk_ddp_comp_id id);