soc: mediatek: cmdq: add assign function

Add assign function in cmdq helper which assign constant value into internal register by index.

Dennis YC Hsieh committed 6 years ago

Commit 613c2e21 parent b3a9e3b3 files · +38 −1Browse files

Showing the changes to include/linux (2 of 3 files). Show all

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@@ -59,6 +59,7 @@ enum cmdq_code { · 58 unmodified lines
59	CMDQ_CODE_JUMP = 0x10,	59	CMDQ_CODE_JUMP = 0x10,
60	CMDQ_CODE_WFE = 0x20,	60	CMDQ_CODE_WFE = 0x20,
61	CMDQ_CODE_EOC = 0x40,	61	CMDQ_CODE_EOC = 0x40,
		62	CMDQ_CODE_LOGIC = 0xa0,
62	};	63	};
63		64
64	enum cmdq_cb_status {	65	enum cmdq_cb_status {

@@ -152,6 +152,20 @@ int cmdq_pkt_poll(struct cmdq_pkt *pkt, u8 subsys, · 151 unmodified lines
152	*/	152	*/
153	int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys,	153	int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys,
154	u16 offset, u32 value, u32 mask);	154	u16 offset, u32 value, u32 mask);
		155
		156	/**
		157	* cmdq_pkt_assign() - Append logic assign command to the CMDQ packet, ask GCE
		158	* to execute an instruction that set a constant value into
		159	* internal register and use as value, mask or address in
		160	* read/write instruction.
		161	* @pkt: the CMDQ packet
		162	* @reg_idx: the CMDQ internal register ID
		163	* @value: the specified value
		164	*
		165	* Return: 0 for success; else the error code is returned
		166	*/
		167	int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value);
		168
155	/**	169	/**
156	* cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ	170	* cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ
157	* packet and call back at the end of done packet	171	* packet and call back at the end of done packet