From: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
To: Rob Herring <robh+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Jassi Brar <jassisinghbrar@gmail.com>
Cc: <linux-kernel@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
<devicetree@vger.kernel.org>, <wsd_upstream@mediatek.com>,
Bibby Hsieh <bibby.hsieh@mediatek.com>,
CK Hu <ck.hu@mediatek.com>,
Houlong Wei <houlong.wei@mediatek.com>,
<linux-arm-kernel@lists.infradead.org>,
Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
Subject: [PATCH v1 11/12] soc: mediatek: cmdq: add wait no clear event function
Date: Thu, 21 Nov 2019 17:12:31 +0800 [thread overview]
Message-ID: <1574327552-11806-12-git-send-email-dennis-yc.hsieh@mediatek.com> (raw)
In-Reply-To: <1574327552-11806-1-git-send-email-dennis-yc.hsieh@mediatek.com>
Add wait no clear event function in cmdq helper functions to wait specific
event without clear to 0 after receive it.
Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
---
drivers/soc/mediatek/mtk-cmdq-helper.c | 15 +++++++++++++++
include/linux/soc/mediatek/mtk-cmdq.h | 10 ++++++++++
2 files changed, 25 insertions(+)
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index 3b10241..7f1e332 100644
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -323,6 +323,21 @@ int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event)
}
EXPORT_SYMBOL(cmdq_pkt_wfe);
+int cmdq_pkt_wait_no_clear(struct cmdq_pkt *pkt, u16 event)
+{
+ struct cmdq_instruction inst = { {0} };
+
+ if (event >= CMDQ_MAX_EVENT)
+ return -EINVAL;
+
+ inst.op = CMDQ_CODE_WFE;
+ inst.value = CMDQ_WFE_WAIT | CMDQ_WFE_WAIT_VALUE;
+ inst.event = event;
+
+ return cmdq_pkt_append_command(pkt, inst);
+}
+EXPORT_SYMBOL(cmdq_pkt_wait_no_clear);
+
int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u16 event)
{
struct cmdq_instruction inst = { {0} };
diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h
index 77e8944..5211827 100644
--- a/include/linux/soc/mediatek/mtk-cmdq.h
+++ b/include/linux/soc/mediatek/mtk-cmdq.h
@@ -148,6 +148,16 @@ int cmdq_pkt_mem_move(struct cmdq_pkt *pkt, phys_addr_t src_addr,
int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event);
/**
+ * cmdq_pkt_wait_no_clear() - Append wait for event command to the CMDQ packet,
+ * without update event to 0 after receive it.
+ * @pkt: the CMDQ packet
+ * @event: the desired event type to wait
+ *
+ * Return: 0 for success; else the error code is returned
+ */
+int cmdq_pkt_wait_no_clear(struct cmdq_pkt *pkt, u16 event);
+
+/**
* cmdq_pkt_clear_event() - append clear event command to the CMDQ packet
* @pkt: the CMDQ packet
* @event: the desired event to be cleared
--
1.7.9.5
next prev parent reply other threads:[~2019-11-21 9:14 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-21 9:12 support gce on mt6779 platform Dennis YC Hsieh
2019-11-21 9:12 ` [PATCH v1 01/12] dt-binding: gce: add gce header file for mt6779 Dennis YC Hsieh
2019-11-21 9:12 ` [PATCH v1 02/12] mailbox: cmdq: variablize address shift in platform Dennis YC Hsieh
2019-11-21 9:12 ` [PATCH v1 03/12] mailbox: cmdq: support mt6779 gce platform definition Dennis YC Hsieh
2019-11-21 9:12 ` [PATCH v1 04/12] mailbox: mediatek: cmdq: clear task in channel before shutdown Dennis YC Hsieh
2019-11-21 9:12 ` [PATCH v1 05/12] arm64: dts: add gce node for mt6779 Dennis YC Hsieh
2019-11-21 9:12 ` [PATCH v1 06/12] soc: mediatek: cmdq: add assign function Dennis YC Hsieh
2019-11-25 5:35 ` CK Hu
2019-11-25 7:41 ` Dennis-YC Hsieh
2019-11-21 9:12 ` [PATCH v1 07/12] soc: mediatek: cmdq: add write_s function Dennis YC Hsieh
2019-11-22 8:56 ` CK Hu
2019-11-22 10:11 ` Dennis-YC Hsieh
2019-11-25 2:08 ` CK Hu
2019-11-25 7:39 ` Dennis-YC Hsieh
2019-11-21 9:12 ` [PATCH v1 08/12] soc: mediatek: cmdq: add read_s function Dennis YC Hsieh
2019-11-21 9:12 ` [PATCH v1 09/12] soc: mediatek: cmdq: add mem move function Dennis YC Hsieh
2019-11-21 9:12 ` [PATCH v1 10/12] soc: mediatek: cmdq: add loop function Dennis YC Hsieh
2019-11-22 9:46 ` CK Hu
2019-11-22 10:29 ` Dennis-YC Hsieh
2019-11-25 1:35 ` CK Hu
2019-11-25 7:36 ` Dennis-YC Hsieh
2019-11-21 9:12 ` Dennis YC Hsieh [this message]
2019-11-21 9:12 ` [PATCH v1 12/12] soc: mediatek: cmdq: add set event function Dennis YC Hsieh
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