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 06/13] soc: mediatek: cmdq: add assign function
Date: Fri, 28 Feb 2020 22:44:13 +0800 [thread overview]
Message-ID: <1582901053.14824.3.camel@mtksdaap41> (raw)
In-Reply-To: <1582897461-15105-8-git-send-email-dennis-yc.hsieh@mediatek.com>
Hi, Dennis:
On Fri, 2020-02-28 at 21:44 +0800, Dennis YC Hsieh wrote:
> Add assign function in cmdq helper which assign constant value into
> internal register by index.
>
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 | 24 +++++++++++++++++++++++-
> include/linux/mailbox/mtk-cmdq-mailbox.h | 1 +
> include/linux/soc/mediatek/mtk-cmdq.h | 14 ++++++++++++++
> 3 files changed, 38 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
> index 0698612de5ad..8342a5c94bc7 100644
> --- a/drivers/soc/mediatek/mtk-cmdq-helper.c
> +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
> @@ -12,6 +12,7 @@
> #define CMDQ_WRITE_ENABLE_MASK BIT(0)
> #define CMDQ_POLL_ENABLE_MASK BIT(0)
> #define CMDQ_EOC_IRQ_EN BIT(0)
> +#define CMDQ_REG_TYPE 1
>
> struct cmdq_instruction {
> union {
> @@ -21,8 +22,17 @@ struct cmdq_instruction {
> union {
> u16 offset;
> u16 event;
> + u16 reg_dst;
> + };
> + union {
> + u8 subsys;
> + struct {
> + u8 sop:5;
> + u8 arg_c_t:1;
> + u8 arg_b_t:1;
> + u8 dst_t:1;
> + };
> };
> - u8 subsys;
> u8 op;
> };
>
> @@ -277,6 +287,18 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys,
> }
> EXPORT_SYMBOL(cmdq_pkt_poll_mask);
>
> +int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value)
> +{
> + struct cmdq_instruction inst = { {0} };
> +
> + inst.op = CMDQ_CODE_LOGIC;
> + inst.dst_t = CMDQ_REG_TYPE;
> + inst.reg_dst = reg_idx;
> + inst.value = value;
> + return cmdq_pkt_append_command(pkt, inst);
> +}
> +EXPORT_SYMBOL(cmdq_pkt_assign);
> +
> static int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
> {
> struct cmdq_instruction inst = { {0} };
> diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h
> index dfe5b2eb85cc..121c3bb6d3de 100644
> --- a/include/linux/mailbox/mtk-cmdq-mailbox.h
> +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h
> @@ -59,6 +59,7 @@ enum cmdq_code {
> CMDQ_CODE_JUMP = 0x10,
> CMDQ_CODE_WFE = 0x20,
> CMDQ_CODE_EOC = 0x40,
> + CMDQ_CODE_LOGIC = 0xa0,
> };
>
> enum cmdq_cb_status {
> diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h
> index a74c1d5acdf3..83340211e1d3 100644
> --- a/include/linux/soc/mediatek/mtk-cmdq.h
> +++ b/include/linux/soc/mediatek/mtk-cmdq.h
> @@ -152,6 +152,20 @@ int cmdq_pkt_poll(struct cmdq_pkt *pkt, u8 subsys,
> */
> int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys,
> u16 offset, u32 value, u32 mask);
> +
> +/**
> + * cmdq_pkt_assign() - Append logic assign command to the CMDQ packet, ask GCE
> + * to execute an instruction that set a constant value into
> + * internal register and use as value, mask or address in
> + * read/write instruction.
> + * @pkt: the CMDQ packet
> + * @reg_idx: the CMDQ internal register ID
> + * @value: the specified value
> + *
> + * Return: 0 for success; else the error code is returned
> + */
> +int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value);
> +
> /**
> * cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ
> * packet and call back at the end of done packet
next prev parent reply other threads:[~2020-02-28 14:44 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 [this message]
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
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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