51 	void __iomem *head;  member
59 	unsigned int head;  in glink_rpm_rx_avail()  local
62 	head = readl(pipe->head);  in glink_rpm_rx_avail()
65 	if (head < tail)  in glink_rpm_rx_avail()
66 		return pipe->native.length - tail + head;  in glink_rpm_rx_avail()
68 		return head - tail;  in glink_rpm_rx_avail()
113 	unsigned int head;  in glink_rpm_tx_avail()  local
116 	head = readl(pipe->head);  in glink_rpm_tx_avail()
119 	if (tail <= head)  in glink_rpm_tx_avail()
120 		return pipe->native.length - head + tail;  in glink_rpm_tx_avail()
122 		return tail - head;  in glink_rpm_tx_avail()
126 					   unsigned int head,  in glink_rpm_tx_write_one()  argument
131 	len = min_t(size_t, count, pipe->native.length - head);  in glink_rpm_tx_write_one()
133 		__iowrite32_copy(pipe->fifo + head, data,  in glink_rpm_tx_write_one()
142 	head += count;  in glink_rpm_tx_write_one()
143 	if (head >= pipe->native.length)  in glink_rpm_tx_write_one()
144 		head -= pipe->native.length;  in glink_rpm_tx_write_one()
146 	return head;  in glink_rpm_tx_write_one()
156 	unsigned int head;  in glink_rpm_tx_write()  local
172 	head = readl(pipe->head);  in glink_rpm_tx_write()
173 	head = glink_rpm_tx_write_one(pipe, head, hdr, hlen);  in glink_rpm_tx_write()
174 	head = glink_rpm_tx_write_one(pipe, head, data, aligned_dlen);  in glink_rpm_tx_write()
178 		head = glink_rpm_tx_write_one(pipe, head, padding, pad);  in glink_rpm_tx_write()
179 	writel(head, pipe->head);  in glink_rpm_tx_write()
231 			rx->head = msg_ram + offset + sizeof(u32);  in glink_rpm_parse_toc()
238 			tx->head = msg_ram + offset + sizeof(u32);  in glink_rpm_parse_toc()
297 	writel(0, tx_pipe->head);  in glink_rpm_probe()