From patchwork Thu Mar 17 14:39:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moudy Ho X-Patchwork-Id: 12784182 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 EC71DC433F5 for ; Thu, 17 Mar 2022 14:40:23 +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=/FQsSuig5j8TUc/0+uPdHRhirXTf2MIgXwcXNt+iQ64=; b=E6YXS5di3P0cMi ijMJurWhqYhuEkO14HPdVDtUSqTYENAxsQ5gVv2s0c7J8kTbtdhDiuyPkP6sKBI0JY10aJU8w2Gcp IWMYVi6tHIALI0pVOpynMkJEPAfQXix0KMndNc2mXBx3/Cz4K7MjzgkLBRsSM77M7iq7O5yRGkFYG L42C/1Ky+nAq5du7jJeV6fzh6KwxV8jmHMI4sHELfTIG17NUGhfWpsqL0Kf2Xa+lmYw0hZDQdqBBf vgrjVkWoR6J4/QC0jHrbV++ejiaAlQCnCLBKreA7iwhe1R4N6tVGQ/tJGZIwdqE/yA7uod9Vs7S/w zEYMcKPGVyS6Yb3gUslA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nUrIW-00GSOY-OJ; Thu, 17 Mar 2022 14:40:16 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nUrHv-00GS3k-Cn; Thu, 17 Mar 2022 14:39:41 +0000 X-UUID: a5304a1ffdd7462cb5da030d3d93da6a-20220317 X-UUID: a5304a1ffdd7462cb5da030d3d93da6a-20220317 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1019646355; Thu, 17 Mar 2022 07:39:31 -0700 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 17 Mar 2022 07:39:30 -0700 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; Thu, 17 Mar 2022 22:39:28 +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; Thu, 17 Mar 2022 22:39:27 +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 v14 1/6] soc: mediatek: mutex: add common interface to accommodate multiple modules operationg MUTEX Date: Thu, 17 Mar 2022 22:39:21 +0800 Message-ID: <20220317143926.15835-2-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220317143926.15835-1-moudy.ho@mediatek.com> References: <20220317143926.15835-1-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-20220317_073939_485747_C8AB2A04 X-CRM114-Status: GOOD ( 13.46 ) 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 In order to allow multiple modules to operate MUTEX hardware through a common interfrace, a flexible index "mtk_mutex_table_index" needs to be added to replace original component ID so that like DDP and MDP can add their own MUTEX table settings independently. In addition, 4 generic interface "mtk_mutex_set_mod", "mtk_mutex_set_sof", "mtk_mutex_clear_mod" and "mtk_mutex_clear_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 --- drivers/soc/mediatek/mtk-mutex.c | 105 +++++++++++++++++++++++++ include/linux/soc/mediatek/mtk-mutex.h | 21 +++++ 2 files changed, 126 insertions(+) diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c index aaf8fc1abb43..f8c33186685a 100644 --- a/drivers/soc/mediatek/mtk-mutex.c +++ b/drivers/soc/mediatek/mtk-mutex.c @@ -151,11 +151,17 @@ enum mtk_mutex_sof_id { MUTEX_SOF_DSI3, }; +struct mtk_mutex_mod { + u8 tab; + u32 value; +}; + struct mtk_mutex_data { const unsigned int *mutex_mod; const unsigned int *mutex_sof; const unsigned int mutex_mod_reg; const unsigned int mutex_sof_reg; + const struct mtk_mutex_mod *mutex_table_mod; const bool no_clk; }; @@ -445,6 +451,65 @@ void mtk_mutex_add_comp(struct mtk_mutex *mutex, } EXPORT_SYMBOL_GPL(mtk_mutex_add_comp); +void mtk_mutex_set_mod(struct mtk_mutex *mutex, + enum mtk_mutex_table_index idx) +{ + 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_TABLE_IDX_MDP_RDMA0 || + idx >= MUTEX_TABLE_IDX_MAX) + return; + + if (mtx->data->mutex_table_mod[idx].tab) + offset = DISP_REG_MUTEX_MOD2(mutex->id); + else + offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg, + mutex->id); + + reg = readl_relaxed(mtx->regs + offset); + reg |= 1 << mtx->data->mutex_table_mod[idx].value; + writel_relaxed(reg, mtx->regs + offset); +} +EXPORT_SYMBOL_GPL(mtk_mutex_set_mod); + +void mtk_mutex_set_sof(struct mtk_mutex *mutex, + enum mtk_mutex_table_index idx) +{ + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); + unsigned int sof_id; + + WARN_ON(&mtx->mutex[mutex->id] != mutex); + + if (idx < MUTEX_TABLE_IDX_MDP_RDMA0 || + idx >= MUTEX_TABLE_IDX_MAX) + return; + + switch (idx) { + case MUTEX_TABLE_IDX_MDP_RDMA0: + case MUTEX_TABLE_IDX_MDP_RSZ0: + case MUTEX_TABLE_IDX_MDP_RSZ1: + case MUTEX_TABLE_IDX_MDP_TDSHP0: + case MUTEX_TABLE_IDX_MDP_WROT0: + case MUTEX_TABLE_IDX_MDP_WDMA: + case MUTEX_TABLE_IDX_MDP_AAL0: + case MUTEX_TABLE_IDX_MDP_CCORR0: + default: + sof_id = MUTEX_SOF_SINGLE_MODE; + break; + } + + writel_relaxed(mtx->data->mutex_sof[sof_id], + mtx->regs + + DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id)); +} +EXPORT_SYMBOL_GPL(mtk_mutex_set_sof); + void mtk_mutex_remove_comp(struct mtk_mutex *mutex, enum mtk_ddp_comp_id id) { @@ -485,6 +550,46 @@ void mtk_mutex_remove_comp(struct mtk_mutex *mutex, } EXPORT_SYMBOL_GPL(mtk_mutex_remove_comp); +void mtk_mutex_clear_mod(struct mtk_mutex *mutex, + enum mtk_mutex_table_index idx) +{ + 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_TABLE_IDX_MDP_RDMA0 || + idx >= MUTEX_TABLE_IDX_MAX) + return; + + if (mtx->data->mutex_table_mod[idx].tab) + offset = DISP_REG_MUTEX_MOD2(mutex->id); + else + offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg, + mutex->id); + + reg = readl_relaxed(mtx->regs + offset); + reg &= ~(1 << mtx->data->mutex_table_mod[idx].value); + writel_relaxed(reg, mtx->regs + offset); +} +EXPORT_SYMBOL_GPL(mtk_mutex_clear_mod); + +void mtk_mutex_clear_sof(struct mtk_mutex *mutex) +{ + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); + + WARN_ON(&mtx->mutex[mutex->id] != mutex); + + writel_relaxed(MUTEX_SOF_SINGLE_MODE, + mtx->regs + + DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, + mutex->id)); +} +EXPORT_SYMBOL_GPL(mtk_mutex_clear_sof); + void mtk_mutex_enable(struct mtk_mutex *mutex) { struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, diff --git a/include/linux/soc/mediatek/mtk-mutex.h b/include/linux/soc/mediatek/mtk-mutex.h index 6fe4ffbde290..200f4365c950 100644 --- a/include/linux/soc/mediatek/mtk-mutex.h +++ b/include/linux/soc/mediatek/mtk-mutex.h @@ -10,14 +10,35 @@ struct regmap; struct device; struct mtk_mutex; +enum mtk_mutex_table_index { + /* MDP table index */ + MUTEX_TABLE_IDX_MDP_RDMA0, + MUTEX_TABLE_IDX_MDP_RSZ0, + MUTEX_TABLE_IDX_MDP_RSZ1, + MUTEX_TABLE_IDX_MDP_TDSHP0, + MUTEX_TABLE_IDX_MDP_WROT0, + MUTEX_TABLE_IDX_MDP_WDMA, + MUTEX_TABLE_IDX_MDP_AAL0, + MUTEX_TABLE_IDX_MDP_CCORR0, + + MUTEX_TABLE_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, enum mtk_ddp_comp_id id); +void mtk_mutex_set_mod(struct mtk_mutex *mutex, + enum mtk_mutex_table_index idx); +void mtk_mutex_set_sof(struct mtk_mutex *mutex, + enum mtk_mutex_table_index idx); void mtk_mutex_enable(struct mtk_mutex *mutex); void mtk_mutex_disable(struct mtk_mutex *mutex); void mtk_mutex_remove_comp(struct mtk_mutex *mutex, enum mtk_ddp_comp_id id); +void mtk_mutex_clear_mod(struct mtk_mutex *mutex, + enum mtk_mutex_table_index idx); +void mtk_mutex_clear_sof(struct mtk_mutex *mutex); void mtk_mutex_unprepare(struct mtk_mutex *mutex); void mtk_mutex_put(struct mtk_mutex *mutex); void mtk_mutex_acquire(struct mtk_mutex *mutex);