From: CK Hu <ck.hu@mediatek.com>
To: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Jassi Brar <jassisinghbrar@gmail.com>,
<linux-kernel@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
<devicetree@vger.kernel.org>, <wsd_upstream@mediatek.com>,
Bibby Hsieh <bibby.hsieh@mediatek.com>,
Houlong Wei <houlong.wei@mediatek.com>,
<linux-arm-kernel@lists.infradead.org>,
<srv_heupstream@mediatek.com>,
"Ming-Fan Chen" <ming-fan.chen@mediatek.com>
Subject: Re: [PATCH v3 09/13] soc: mediatek: cmdq: add write_s value function
Date: Fri, 28 Feb 2020 22:55:41 +0800 [thread overview]
Message-ID: <1582901741.14824.6.camel@mtksdaap41> (raw)
In-Reply-To: <1582897461-15105-11-git-send-email-dennis-yc.hsieh@mediatek.com>
Hi, Dennis:
On Fri, 2020-02-28 at 21:44 +0800, Dennis YC Hsieh wrote:
> add write_s function in cmdq helper functions which
> writes a constant value to address with large dma
> access support.
>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
> Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
> ---
> drivers/soc/mediatek/mtk-cmdq-helper.c | 26 ++++++++++++++++++++++++++
> include/linux/soc/mediatek/mtk-cmdq.h | 14 ++++++++++++++
> 2 files changed, 40 insertions(+)
>
> diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
> index 428f99288ca6..1336523eb7d4 100644
> --- a/drivers/soc/mediatek/mtk-cmdq-helper.c
> +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
> @@ -269,6 +269,32 @@ int cmdq_pkt_write_s(struct cmdq_pkt *pkt, u16 high_addr_reg_idx,
> }
> EXPORT_SYMBOL(cmdq_pkt_write_s);
>
> +int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u16 high_addr_reg_idx,
> + u16 addr_low, u32 value, u32 mask)
> +{
> + struct cmdq_instruction inst = { {0} };
> + int err;
> +
> + if (mask != U32_MAX) {
> + 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;
> + } else {
> + inst.op = CMDQ_CODE_WRITE_S;
> + }
> +
> + 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_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 01b4184af310..fec292aac83c 100644
> --- a/include/linux/soc/mediatek/mtk-cmdq.h
> +++ b/include/linux/soc/mediatek/mtk-cmdq.h
> @@ -135,6 +135,20 @@ int cmdq_pkt_read_s(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, u16 addr_low,
> int cmdq_pkt_write_s(struct cmdq_pkt *pkt, u16 high_addr_reg_idx,
> u16 addr_low, u16 src_reg_idx, u32 mask);
>
> +/**
> + * cmdq_pkt_write_s_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 regisger 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_value(struct cmdq_pkt *pkt, u16 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
next prev parent reply other threads:[~2020-02-28 14:55 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-28 13:44 [PATCH v3 00/13] support gce on mt6779 platform Dennis YC Hsieh
2020-02-28 13:44 ` Dennis YC Hsieh
2020-02-28 13:44 ` [PATCH v3 01/13] dt-binding: gce: add gce header file for mt6779 Dennis YC Hsieh
2020-02-28 15:26 ` CK Hu
2020-03-02 20:15 ` Rob Herring
2020-02-28 13:44 ` [PATCH v3 02/13] mailbox: cmdq: variablize address shift in platform Dennis YC Hsieh
2020-02-28 15:22 ` CK Hu
2020-02-29 13:36 ` Dennis-YC Hsieh
2020-02-28 13:44 ` [PATCH v3 03/13] mailbox: cmdq: support mt6779 gce platform definition Dennis YC Hsieh
2020-02-28 13:44 ` [PATCH v3 04/13] mailbox: mediatek: cmdq: clear task in channel before shutdown Dennis YC Hsieh
2020-02-28 15:57 ` CK Hu
2020-02-29 13:40 ` Dennis-YC Hsieh
2020-02-28 13:44 ` [PATCH v3 05/13] soc: mediatek: cmdq: return send msg error code Dennis YC Hsieh
2020-02-28 15:39 ` CK Hu
2020-02-29 13:41 ` Dennis-YC Hsieh
2020-02-28 13:44 ` [PATCH v3 06/13] soc: mediatek: cmdq: add assign function Dennis YC Hsieh
2020-02-28 14:44 ` CK Hu
2020-02-28 13:44 ` [PATCH v3 07/13] soc: mediatek: cmdq: add write_s function Dennis YC Hsieh
2020-02-28 14:49 ` CK Hu
2020-02-28 13:44 ` [PATCH v3 08/13] soc: mediatek: cmdq: add read_s function Dennis YC Hsieh
2020-02-28 14:50 ` CK Hu
2020-02-28 13:44 ` [PATCH v3 09/13] soc: mediatek: cmdq: add write_s value function Dennis YC Hsieh
2020-02-28 14:55 ` CK Hu [this message]
2020-02-28 13:44 ` [PATCH v3 10/13] soc: mediatek: cmdq: export finalize function Dennis YC Hsieh
2020-02-28 13:44 ` [PATCH v3 11/13] soc: mediatek: cmdq: add jump function Dennis YC Hsieh
2020-02-28 14:59 ` CK Hu
2020-02-29 13:42 ` Dennis-YC Hsieh
2020-02-28 13:44 ` [PATCH v3 12/13] soc: mediatek: cmdq: add clear option in cmdq_pkt_wfe api Dennis YC Hsieh
2020-02-28 14:32 ` CK Hu
2020-02-29 14:37 ` Dennis-YC Hsieh
2020-02-28 13:44 ` [PATCH v3 13/13] soc: mediatek: cmdq: add set event function Dennis YC Hsieh
2020-02-28 15:05 ` CK Hu
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