Lines Matching refs:tailptr
37 u32 headptr, tailptr; in retrieve_msg_frame() local
39 tailptr = readl_be(MIXART_MEM(mgr, MSG_OUTBOUND_POST_TAIL)); in retrieve_msg_frame()
42 if (tailptr == headptr) in retrieve_msg_frame()
45 if (tailptr < MSG_OUTBOUND_POST_STACK) in retrieve_msg_frame()
47 if (tailptr >= MSG_OUTBOUND_POST_STACK + MSG_BOUND_STACK_SIZE) in retrieve_msg_frame()
50 *msg_frame = readl_be(MIXART_MEM(mgr, tailptr)); in retrieve_msg_frame()
53 tailptr += 4; in retrieve_msg_frame()
54 if( tailptr >= (MSG_OUTBOUND_POST_STACK+MSG_BOUND_STACK_SIZE) ) in retrieve_msg_frame()
55 tailptr = MSG_OUTBOUND_POST_STACK; in retrieve_msg_frame()
56 writel_be(tailptr, MIXART_MEM(mgr, MSG_OUTBOUND_POST_TAIL)); in retrieve_msg_frame()
133 u32 headptr, tailptr; in send_msg() local
141 tailptr = readl_be(MIXART_MEM(mgr, MSG_INBOUND_FREE_TAIL)); in send_msg()
144 if (tailptr == headptr) { in send_msg()
149 …if( (tailptr < MSG_INBOUND_FREE_STACK) || (tailptr >= (MSG_INBOUND_FREE_STACK+MSG_BOUND_STACK_SIZE… in send_msg()
153 msg_frame_address = readl_be(MIXART_MEM(mgr, tailptr)); in send_msg()
154 writel(0, MIXART_MEM(mgr, tailptr)); /* set address to zero on this fifo position */ in send_msg()
157 tailptr += 4; in send_msg()
158 if( tailptr >= (MSG_INBOUND_FREE_STACK+MSG_BOUND_STACK_SIZE) ) in send_msg()
159 tailptr = MSG_INBOUND_FREE_STACK; in send_msg()
161 writel_be(tailptr, MIXART_MEM(mgr, MSG_INBOUND_FREE_TAIL)); in send_msg()