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SubjectRe: [PATCH v3 5/9] soc: mediatek: cmdq: add write_s value function
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On 07/07/2020 17:45, Dennis YC Hsieh wrote:
> add write_s function in cmdq helper functions which
> writes a constant value to address with large dma
> access support.
>
> Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>

Now pushed to v5.9-next/soc

Thanks!

> ---
> drivers/soc/mediatek/mtk-cmdq-helper.c | 14 ++++++++++++++
> include/linux/soc/mediatek/mtk-cmdq.h | 13 +++++++++++++
> 2 files changed, 27 insertions(+)
>
> diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
> index ed9f5e63c195..4e86b65815fc 100644
> --- a/drivers/soc/mediatek/mtk-cmdq-helper.c
> +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
> @@ -280,6 +280,20 @@ int cmdq_pkt_write_s_mask(struct cmdq_pkt *pkt, u16 high_addr_reg_idx,
> }
> EXPORT_SYMBOL(cmdq_pkt_write_s_mask);
>
> +int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx,
> + u16 addr_low, u32 value)
> +{
> + struct cmdq_instruction inst = {};
> +
> + 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 cd7ec714344e..ae73e10da274 100644
> --- a/include/linux/soc/mediatek/mtk-cmdq.h
> +++ b/include/linux/soc/mediatek/mtk-cmdq.h
> @@ -152,6 +152,19 @@ int cmdq_pkt_write_s_mask(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 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
> + *
> + * Return: 0 for success; else the error code is returned
> + */
> +int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx,
> + u16 addr_low, u32 value);
> +
> +/**
> * cmdq_pkt_wfe() - append wait for event command to the CMDQ packet
> * @pkt: the CMDQ packet
> * @event: the desired event type to "wait and CLEAR"
>

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