From patchwork Thu Jan 20 07:43:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongqiang Niu X-Patchwork-Id: 12718393 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 2653AC433F5 for ; Thu, 20 Jan 2022 07:43:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 675F610E57C; Thu, 20 Jan 2022 07:43:23 +0000 (UTC) Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by gabe.freedesktop.org (Postfix) with ESMTPS id 65F5810E57C for ; Thu, 20 Jan 2022 07:43:21 +0000 (UTC) X-UUID: 2050324cb93c4a8380e2bc7685820fff-20220120 X-UUID: 2050324cb93c4a8380e2bc7685820fff-20220120 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 73705492; Thu, 20 Jan 2022 15:43:16 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 20 Jan 2022 15:43:15 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 20 Jan 2022 15:43:14 +0800 From: Yongqiang Niu To: Chun-Kuang Hu Subject: [PATCH v1, 1/1] soc: mediatek: cmdq: add cmdq_pkt_poll_addr function Date: Thu, 20 Jan 2022 15:43:11 +0800 Message-ID: <20220120074311.2243-2-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220120074311.2243-1-yongqiang.niu@mediatek.com> References: <20220120074311.2243-1-yongqiang.niu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Project_Global_Chrome_Upstream_Group@mediatek.com, David Airlie , Jassi Brar , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Yongqiang Niu , Dennis YC Hsieh , Fabien Parent , Rob Herring , linux-mediatek@lists.infradead.org, Hsin-Yi Wang , Matthias Brugger , mtk18742 , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: mtk18742 add cmdq_pkt_poll_addr function in cmdq helper functions Signed-off-by: Yongqiang Niu --- drivers/soc/mediatek/mtk-cmdq-helper.c | 39 ++++++++++++++++++++++++ include/linux/mailbox/mtk-cmdq-mailbox.h | 1 + include/linux/soc/mediatek/mtk-cmdq.h | 2 ++ 3 files changed, 42 insertions(+) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 3c8e4212d941..6c5cfb284140 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -344,6 +344,45 @@ int cmdq_pkt_set_event(struct cmdq_pkt *pkt, u16 event) } EXPORT_SYMBOL(cmdq_pkt_set_event); +s32 cmdq_pkt_poll_addr(struct cmdq_pkt *pkt, u32 value, u32 addr, u32 mask, u8 reg_gpr) +{ + struct cmdq_instruction inst = { {0} }; + + s32 err; + + if (mask != 0xffffffff) { + inst.op = CMDQ_CODE_MASK; + inst.mask = ~mask; + err = cmdq_pkt_append_command(pkt, inst); + if (err != 0) + return err; + + addr = addr | 0x1; + } + + /* Move extra handle APB address to GPR */ + inst.op = CMDQ_CODE_MOVE; + inst.value = addr; + inst.sop = reg_gpr; + inst.dst_t = 1; + err = cmdq_pkt_append_command(pkt, inst); + if (err != 0) + pr_err("%s fail append command move addr to reg err:%d", + __func__, err); + + inst.op = CMDQ_CODE_POLL; + inst.value = value; + inst.sop = reg_gpr; + inst.dst_t = 1; + err = cmdq_pkt_append_command(pkt, inst); + if (err != 0) + pr_err("%s fail append command poll err:%d", + __func__, err); + + return err; +} +EXPORT_SYMBOL(cmdq_pkt_poll_addr); + int cmdq_pkt_poll(struct cmdq_pkt *pkt, u8 subsys, u16 offset, u32 value) { diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h index 44365aab043c..a27329fd7c7f 100644 --- a/include/linux/mailbox/mtk-cmdq-mailbox.h +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h @@ -54,6 +54,7 @@ */ enum cmdq_code { CMDQ_CODE_MASK = 0x02, + CMDQ_CODE_MOVE = 0x02, CMDQ_CODE_WRITE = 0x04, CMDQ_CODE_POLL = 0x08, CMDQ_CODE_JUMP = 0x10, diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index ac6b5f3cba95..28dc5ce0ff03 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -280,4 +280,6 @@ int cmdq_pkt_finalize(struct cmdq_pkt *pkt); int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb, void *data); +s32 cmdq_pkt_poll_addr(struct cmdq_pkt *pkt, u32 value, u32 addr, u32 mask, u8 reg_gpr); + #endif /* __MTK_CMDQ_H__ */