From: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
To: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Jassi Brar <jassisinghbrar@gmail.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
"David Airlie" <airlied@linux.ie>,
Daniel Vetter <daniel@ffwll.ch>
Cc: devicetree@vger.kernel.org, wsd_upstream@mediatek.com,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
HS Liao <hs.liao@mediatek.com>,
Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>,
linux-mediatek@lists.infradead.org,
Houlong Wei <houlong.wei@mediatek.com>,
Bibby Hsieh <bibby.hsieh@mediatek.com>,
CK Hu <ck.hu@mediatek.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 12/16] soc: mediatek: cmdq: add write_s_mask value function
Date: Fri, 29 May 2020 01:04:47 +0800 [thread overview]
Message-ID: <1590685491-17107-13-git-send-email-dennis-yc.hsieh@mediatek.com> (raw)
In-Reply-To: <1590685491-17107-1-git-send-email-dennis-yc.hsieh@mediatek.com>
add write_s_mask_value function in cmdq helper functions which
writes a constant value to address with mask and large dma
access support.
Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
---
drivers/soc/mediatek/mtk-cmdq-helper.c | 21 +++++++++++++++++++++
include/linux/soc/mediatek/mtk-cmdq.h | 15 +++++++++++++++
2 files changed, 36 insertions(+)
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index 12095a1b701b..4b07da56c7bb 100644
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -293,6 +293,27 @@ int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx,
}
EXPORT_SYMBOL(cmdq_pkt_write_s_value);
+int cmdq_pkt_write_s_mask_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx,
+ u16 addr_low, u32 value, u32 mask)
+{
+ struct cmdq_instruction inst = { {0} };
+ int err;
+
+ inst.op = CMDQ_CODE_MASK;
+ inst.mask = ~mask;
+ err = cmdq_pkt_append_command(pkt, inst);
+ if (err < 0)
+ return err;
+
+ inst.op = CMDQ_CODE_WRITE_S_MASK;
+ inst.sop = high_addr_reg_idx;
+ inst.offset = addr_low;
+ inst.value = value;
+
+ return cmdq_pkt_append_command(pkt, inst);
+}
+EXPORT_SYMBOL(cmdq_pkt_write_s_mask_value);
+
int cmdq_pkt_wfe(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 bb36750be58c..28a50c3cf6a1 100644
--- a/include/linux/soc/mediatek/mtk-cmdq.h
+++ b/include/linux/soc/mediatek/mtk-cmdq.h
@@ -165,6 +165,21 @@ int cmdq_pkt_write_s_mask(struct cmdq_pkt *pkt, u16 high_addr_reg_idx,
int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx,
u16 addr_low, u32 value);
+/**
+ * cmdq_pkt_write_s_mask_value() - append write_s command with mask to the CMDQ
+ * packet which write value to a physical
+ * address
+ * @pkt: the CMDQ packet
+ * @high_addr_reg_idx: internal register ID which contains high address of pa
+ * @addr_low: low address of pa
+ * @value: the specified target value
+ * @mask: the specified target mask
+ *
+ * Return: 0 for success; else the error code is returned
+ */
+int cmdq_pkt_write_s_mask_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx,
+ u16 addr_low, u32 value, u32 mask);
+
/**
* cmdq_pkt_wfe() - append wait for event command to the CMDQ packet
* @pkt: the CMDQ packet
--
2.18.0
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next prev parent reply other threads:[~2020-05-28 17:16 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-28 17:04 [PATCH v6] support gce on mt6779 platform Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 00/16] " Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 01/16] dt-binding: gce: add gce header file for mt6779 Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 02/16] mailbox: cmdq: variablize address shift in platform Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 03/16] mailbox: cmdq: support mt6779 gce platform definition Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 04/16] mailbox: mediatek: cmdq: clear task in channel before shutdown Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 06/16] soc: mediatek: cmdq: add address shift in jump Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 07/16] soc: mediatek: cmdq: add assign function Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 08/16] soc: mediatek: cmdq: add write_s function Dennis YC Hsieh
2020-05-28 21:08 ` Matthias Brugger
2020-05-29 0:53 ` Dennis-YC Hsieh
2020-05-28 17:04 ` [PATCH v6 09/16] soc: mediatek: cmdq: add write_s_mask function Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 10/16] soc: mediatek: cmdq: add read_s function Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 11/16] soc: mediatek: cmdq: add write_s value function Dennis YC Hsieh
2020-05-28 17:04 ` Dennis YC Hsieh [this message]
2020-05-28 17:04 ` [PATCH v6 13/16] soc: mediatek: cmdq: export finalize function Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 14/16] soc: mediatek: cmdq: add jump function Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 15/16] soc: mediatek: cmdq: add clear option in cmdq_pkt_wfe api Dennis YC Hsieh
2020-05-28 17:04 ` [PATCH v6 16/16] soc: mediatek: cmdq: add set event function Dennis YC Hsieh
2020-05-30 20:34 ` [PATCH v6] support gce on mt6779 platform Jassi Brar
2020-06-01 2:41 ` Dennis-YC Hsieh
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