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: 552328 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 B0695C433F5 for ; Thu, 17 Mar 2022 14:39:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235184AbiCQOlA (ORCPT ); Thu, 17 Mar 2022 10:41:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235188AbiCQOk7 (ORCPT ); Thu, 17 Mar 2022 10:40:59 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF53DDAFE3; Thu, 17 Mar 2022 07:39:36 -0700 (PDT) X-UUID: c25aa907808741ee9658d90f275c87bb-20220317 X-UUID: c25aa907808741ee9658d90f275c87bb-20220317 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 1150550161; Thu, 17 Mar 2022 22:39:29 +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; 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 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.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);