25 #define MBOX_WRITE_CMD_BUF(data, cin)	\  argument
26 	MBOX_WRITEL(data, MBOX_CMD_BUF + ((cin) * sizeof(u32)))
50 	u32 cin;  in mbox_fill_cmd_circular_buff()  local
54 	cin = MBOX_READL(MBOX_CIN) % MBOX_CMD_BUFFER_SIZE;  in mbox_fill_cmd_circular_buff()
60 	if (((cin + 1) % MBOX_CMD_BUFFER_SIZE) == cout ||  in mbox_fill_cmd_circular_buff()
61 	    ((MBOX_CMD_BUFFER_SIZE - cin + cout - 1) %  in mbox_fill_cmd_circular_buff()
66 	MBOX_WRITE_CMD_BUF(header, cin++);  in mbox_fill_cmd_circular_buff()
68 	cin %= MBOX_CMD_BUFFER_SIZE;  in mbox_fill_cmd_circular_buff()
72 		MBOX_WRITE_CMD_BUF(arg[i], cin++);  in mbox_fill_cmd_circular_buff()
74 		cin %= MBOX_CMD_BUFFER_SIZE;  in mbox_fill_cmd_circular_buff()
78 	MBOX_WRITEL(cin, MBOX_CIN);  in mbox_fill_cmd_circular_buff()