soc: mediatek: cmdq: add set event function (7de796ca) · Commits · 戴 / test

drivers/soc/mediatek/mtk-cmdq-helper.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -253,6 +253,21 @@ 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)
		{

+1 −0

Original line number	Diff line number	Diff line
		@@ -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

+9 −0

Original line number	Diff line number	Diff line
		@@ -120,6 +120,15 @@ int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event);
		*/
		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