From: mtk18742 <[email protected]> add cmdq_pkt_poll_addr function in cmdq helper functions
Signed-off-by: Yongqiang Niu <[email protected]> --- drivers/soc/mediatek/mtk-cmdq-helper.c | 39 ++++++++++++++++++++++++ include/linux/mailbox/mtk-cmdq-mailbox.h | 1 + include/linux/soc/mediatek/mtk-cmdq.h | 2 ++ 3 files changed, 42 insertions(+) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 3c8e4212d941..6c5cfb284140 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -344,6 +344,45 @@ int cmdq_pkt_set_event(struct cmdq_pkt *pkt, u16 event) } EXPORT_SYMBOL(cmdq_pkt_set_event); +s32 cmdq_pkt_poll_addr(struct cmdq_pkt *pkt, u32 value, u32 addr, u32 mask, u8 reg_gpr) +{ + struct cmdq_instruction inst = { {0} }; + + s32 err; + + if (mask != 0xffffffff) { + inst.op = CMDQ_CODE_MASK; + inst.mask = ~mask; + err = cmdq_pkt_append_command(pkt, inst); + if (err != 0) + return err; + + addr = addr | 0x1; + } + + /* Move extra handle APB address to GPR */ + inst.op = CMDQ_CODE_MOVE; + inst.value = addr; + inst.sop = reg_gpr; + inst.dst_t = 1; + err = cmdq_pkt_append_command(pkt, inst); + if (err != 0) + pr_err("%s fail append command move addr to reg err:%d", + __func__, err); + + inst.op = CMDQ_CODE_POLL; + inst.value = value; + inst.sop = reg_gpr; + inst.dst_t = 1; + err = cmdq_pkt_append_command(pkt, inst); + if (err != 0) + pr_err("%s fail append command poll err:%d", + __func__, err); + + return err; +} +EXPORT_SYMBOL(cmdq_pkt_poll_addr); + 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 44365aab043c..a27329fd7c7f 100644 --- a/include/linux/mailbox/mtk-cmdq-mailbox.h +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h @@ -54,6 +54,7 @@ */ enum cmdq_code { CMDQ_CODE_MASK = 0x02, + CMDQ_CODE_MOVE = 0x02, CMDQ_CODE_WRITE = 0x04, CMDQ_CODE_POLL = 0x08, CMDQ_CODE_JUMP = 0x10, diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index ac6b5f3cba95..28dc5ce0ff03 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -280,4 +280,6 @@ int cmdq_pkt_finalize(struct cmdq_pkt *pkt); int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb, void *data); +s32 cmdq_pkt_poll_addr(struct cmdq_pkt *pkt, u32 value, u32 addr, u32 mask, u8 reg_gpr); + #endif /* __MTK_CMDQ_H__ */ -- 2.25.1
