diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mailbox/mtk-cmdq-mailbox.h | 1 | ||||
| -rw-r--r-- | include/linux/soc/mediatek/mtk-cmdq.h | 32 |
2 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h index 678760548791..a4dc45fbec0a 100644 --- a/include/linux/mailbox/mtk-cmdq-mailbox.h +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h @@ -55,6 +55,7 @@ enum cmdq_code { CMDQ_CODE_MASK = 0x02, CMDQ_CODE_WRITE = 0x04, + CMDQ_CODE_POLL = 0x08, CMDQ_CODE_JUMP = 0x10, CMDQ_CODE_WFE = 0x20, CMDQ_CODE_EOC = 0x40, diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index 9618debb9ceb..92bd5b5c6341 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -100,6 +100,38 @@ int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event); int cmdq_pkt_clear_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. + * All GCE hardware threads will be blocked by this + * instruction. + * @pkt: the CMDQ packet + * @subsys: the CMDQ sub system code + * @offset: register offset from CMDQ sub system + * @value: the specified target register value + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_poll(struct cmdq_pkt *pkt, u8 subsys, + u16 offset, u32 value); + +/** + * cmdq_pkt_poll_mask() - 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/ mask. + * All GCE hardware threads will be blocked by this + * instruction. + * @pkt: the CMDQ packet + * @subsys: the CMDQ sub system code + * @offset: register offset from CMDQ sub system + * @value: the specified target register value + * @mask: the specified target register mask + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys, + u16 offset, u32 value, u32 mask); +/** * cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ * packet and call back at the end of done packet * @pkt: the CMDQ packet |