Add set event function in cmdq helper functions to set specific event.
Signed-off-by: Dennis YC Hsieh dennis-yc.hsieh@mediatek.com Reviewed-by: CK Hu ck.hu@mediatek.com --- 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(+)
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 4f767198d0fc..e7cad8a4b6c6 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -326,6 +326,21 @@ 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 = { {0} }; + + 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 d63749440697..ca70296ae120 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -168,6 +168,15 @@ int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event, bool clear); */ 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