75 static inline u16 desc_abs_number(port_t *port, u16 desc, int transmit)  in desc_abs_number()  argument
80 	desc %= (transmit ? tx_buffs : rx_buffs); // called with "X + 1" etc.  in desc_abs_number()
81 	return port->chan * (rx_buffs + tx_buffs) + transmit * rx_buffs + desc;  in desc_abs_number()
84 static inline u16 desc_offset(port_t *port, u16 desc, int transmit)  in desc_offset()  argument
87 	return desc_abs_number(port, desc, transmit) * sizeof(pkt_desc);  in desc_offset()
90 static inline pkt_desc __iomem *desc_address(port_t *port, u16 desc,  in desc_address()  argument
94 				    desc_offset(port, desc, transmit));  in desc_address()
97 static inline u32 buffer_offset(port_t *port, u16 desc, int transmit)  in buffer_offset()  argument
100 		desc_abs_number(port, desc, transmit) * (u32)HDLC_MAX_MRU;  in buffer_offset()
135 			pkt_desc __iomem *desc = desc_address(port, i, transmit);  in sca_init_port()  local
139 			writel(chain_off, &desc->cp);  in sca_init_port()
140 			writel(buff_off, &desc->bp);  in sca_init_port()
141 			writew(0, &desc->len);  in sca_init_port()
142 			writeb(0, &desc->stat);  in sca_init_port()
193 static inline void sca_rx(card_t *card, port_t *port, pkt_desc __iomem *desc,  in sca_rx()  argument
201 	len = readw(&desc->len);  in sca_rx()
241 		pkt_desc __iomem *desc;  in sca_rx_done()  local
247 		desc = desc_address(port, port->rxin, 0);  in sca_rx_done()
248 		stat = readb(&desc->stat);  in sca_rx_done()
263 			sca_rx(card, port, desc, port->rxin);  in sca_rx_done()
294 		pkt_desc __iomem *desc = desc_address(port, port->txlast, 1);  in sca_tx_done()  local
295 		u8 stat = readb(&desc->stat);  in sca_tx_done()
304 			dev->stats.tx_bytes += readw(&desc->len);  in sca_tx_done()
306 		writeb(0, &desc->stat);	/* Free descriptor */  in sca_tx_done()
568 	pkt_desc __iomem *desc;  in sca_xmit()  local
573 	desc = desc_address(port, port->txin + 1, 1);  in sca_xmit()
574 	BUG_ON(readb(&desc->stat)); /* previous xmit should stop queue */  in sca_xmit()
581 	desc = desc_address(port, port->txin, 1);  in sca_xmit()
586 	writew(len, &desc->len);  in sca_xmit()
587 	writeb(ST_TX_EOM, &desc->stat);  in sca_xmit()
595 	desc = desc_address(port, port->txin + 1, 1);  in sca_xmit()
596 	if (readb(&desc->stat)) /* allow 1 packet gap */  in sca_xmit()