On 21/06/2020 16:18, Dennis YC Hsieh wrote:
> Add set event function in cmdq helper functions to set specific event.
>
> Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@xxxxxxxxxxxx>
> ---
> drivers/soc/mediatek/mtk-cmdq-helper.c | 15 +++++++++++++++
> include/linux/mailbox/mtk-cmdq-mailbox.h | 1 +
> include/linux/soc/mediatek/mtk-cmdq.h | 9 +++++++++
> 3 files changed, 25 insertions(+)
>
Applied to v5.8-next/soc
Thanks!
> diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
> index 13f78c9b5901..e6133a42d229 100644
> --- a/drivers/soc/mediatek/mtk-cmdq-helper.c
> +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
> @@ -346,6 +346,21 @@ int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u16 event)
> }
> EXPORT_SYMBOL(cmdq_pkt_clear_event);
>
> +int cmdq_pkt_set_event(struct cmdq_pkt *pkt, u16 event)
> +{
> + struct cmdq_instruction inst = {};
> +
> + if (event >= CMDQ_MAX_EVENT)
> + return -EINVAL;
> +
> + inst.op = CMDQ_CODE_WFE;
> + inst.value = CMDQ_WFE_UPDATE | CMDQ_WFE_UPDATE_VALUE;
> + inst.event = event;
> +
> + return cmdq_pkt_append_command(pkt, inst);
> +}
> +EXPORT_SYMBOL(cmdq_pkt_set_event);
> +
> int cmdq_pkt_poll(struct cmdq_pkt *pkt, u8 subsys,
> u16 offset, u32 value)
> {
> diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h
> index 42d2a30e6a70..ba2d811183a9 100644
> --- a/include/linux/mailbox/mtk-cmdq-mailbox.h
> +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h
> @@ -17,6 +17,7 @@
> #define CMDQ_JUMP_PASS CMDQ_INST_SIZE
>
> #define CMDQ_WFE_UPDATE BIT(31)
> +#define CMDQ_WFE_UPDATE_VALUE BIT(16)
> #define CMDQ_WFE_WAIT BIT(15)
> #define CMDQ_WFE_WAIT_VALUE 0x1
>
> diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h
> index 4b5f5d154bad..960704d75994 100644
> --- a/include/linux/soc/mediatek/mtk-cmdq.h
> +++ b/include/linux/soc/mediatek/mtk-cmdq.h
> @@ -199,6 +199,15 @@ int cmdq_pkt_write_s_mask_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx,
> int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u16 event);
>
> /**
> + * cmdq_pkt_set_event() - append set event command to the CMDQ packet
> + * @pkt: the CMDQ packet
> + * @event: the desired event to be set
> + *
> + * Return: 0 for success; else the error code is returned
> + */
> +int cmdq_pkt_set_event(struct cmdq_pkt *pkt, u16 event);
> +
> +/**
> * cmdq_pkt_poll() - Append polling command to the CMDQ packet, ask GCE to
> * execute an instruction that wait for a specified
> * hardware register to check for the value w/o mask.
>
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