18 #define CIRC_CNT(head, tail, size)	(((head) - (tail)) & (size - 1))  argument
19 #define CIRC_SPACE(head, tail, size)	CIRC_CNT((tail), (head) + 1, (size))  argument
139 	jr->head = 0;  in jr_sw_cleanup()
186 	int head = jr->head;  in jr_enqueue()  local
206 	jr->info[head].desc_phys_addr = desc_phys_addr;  in jr_enqueue()
207 	jr->info[head].callback = (void *)callback;  in jr_enqueue()
208 	jr->info[head].arg = arg;  in jr_enqueue()
209 	jr->info[head].op_done = 0;  in jr_enqueue()
211 	unsigned long start = (unsigned long)&jr->info[head] &  in jr_enqueue()
213 	unsigned long end = ALIGN((unsigned long)&jr->info[head] +  in jr_enqueue()
223 	addr_lo = (uint32_t *)(&jr->input_ring[head]);  in jr_enqueue()
224 	addr_hi = (uint32_t *)(&jr->input_ring[head]) + 1;  in jr_enqueue()
226 	addr_hi = (uint32_t *)(&jr->input_ring[head]);  in jr_enqueue()
227 	addr_lo = (uint32_t *)(&jr->input_ring[head]) + 1;  in jr_enqueue()
235 	sec_out32(&jr->input_ring[head], desc_phys_addr);  in jr_enqueue()
238 	start = (unsigned long)&jr->input_ring[head] & ~(ARCH_DMA_MINALIGN - 1);  in jr_enqueue()
239 	end = ALIGN((unsigned long)&jr->input_ring[head] +  in jr_enqueue()
243 	jr->head = (head + 1) & (jr->size - 1);  in jr_enqueue()
261 	int head = jr->head;  in jr_dequeue()  local
272 	while (sec_in32(&regs->orsf) && CIRC_CNT(jr->head, jr->tail,  in jr_dequeue()
302 		for (i = 0; CIRC_CNT(head, tail + i, jr->size) >= 1; i++) {  in jr_dequeue()