11  * Packet buffer descriptor rings - starting from card->rambase:
17  * Packet data buffers - starting from card->rambase + buff_offset:
48 #define sca_in(reg, card)	     readb((card)->scabase + (reg))  argument
49 #define sca_out(value, reg, card)    writeb(value, (card)->scabase + (reg))  argument
50 #define sca_inw(reg, card)	     readw((card)->scabase + (reg))  argument
51 #define sca_outw(value, reg, card)   writew(value, (card)->scabase + (reg))  argument
52 #define sca_inl(reg, card)	     readl((card)->scabase + (reg))  argument
53 #define sca_outl(value, reg, card)   writel(value, (card)->scabase + (reg))  argument
65 	sca_outl(sca_inl(IER0, port->card) |  in enable_intr()
66 		 (port->chan ? 0x08002200 : 0x00080022), IER0, port->card);  in enable_intr()
71 	sca_outl(sca_inl(IER0, port->card) &  in disable_intr()
72 		 (port->chan ? 0x00FF00FF : 0xFF00FF00), IER0, port->card);  in disable_intr()
77 	u16 rx_buffs = port->card->rx_ring_buffers;  in desc_abs_number()
78 	u16 tx_buffs = port->card->tx_ring_buffers;  in desc_abs_number()
93 	return (pkt_desc __iomem *)(port->card->rambase +  in desc_address()
99 	return port->card->buff_offset +  in buffer_offset()
105 	if (!(sca_in(get_msci(port) + ST3, port->card) & ST3_DCD)) {  in sca_set_carrier()
122 	card_t *card = port->card;  in sca_init_port()  local
131 		u16 buffs = transmit ? card->tx_ring_buffers  in sca_init_port()
132 			: card->rx_ring_buffers;  in sca_init_port()
147 	sca_out(0, DSR_RX(port->chan), card);  in sca_init_port()
148 	sca_out(0, DSR_TX(port->chan), card);  in sca_init_port()
151 	sca_out(DCR_ABORT, DCR_RX(port->chan), card);  in sca_init_port()
152 	sca_out(DCR_ABORT, DCR_TX(port->chan), card);  in sca_init_port()
155 	sca_outl(desc_offset(port, 0, 0), dmac_rx + CDAL, card);  in sca_init_port()
156 	sca_outl(desc_offset(port, card->tx_ring_buffers - 1, 0),  in sca_init_port()
157 		 dmac_rx + EDAL, card);  in sca_init_port()
158 	sca_outl(desc_offset(port, 0, 1), dmac_tx + CDAL, card);  in sca_init_port()
159 	sca_outl(desc_offset(port, 0, 1), dmac_tx + EDAL, card);  in sca_init_port()
162 	sca_out(DCR_CLEAR_EOF, DCR_RX(port->chan), card);  in sca_init_port()
163 	sca_out(DCR_CLEAR_EOF, DCR_TX(port->chan), card);  in sca_init_port()
166 	sca_outw(HDLC_MAX_MRU, dmac_rx + BFLL, card); /* set buffer length */  in sca_init_port()
167 	sca_out(0x14, DMR_RX(port->chan), card); /* Chain mode, Multi-frame */  in sca_init_port()
168 	sca_out(DIR_EOME, DIR_RX(port->chan), card); /* enable interrupts */  in sca_init_port()
169 	sca_out(DSR_DE, DSR_RX(port->chan), card); /* DMA enable */  in sca_init_port()
172 	sca_out(0x14, DMR_TX(port->chan), card); /* Chain mode, Multi-frame */  in sca_init_port()
173 	sca_out(DIR_EOME, DIR_TX(port->chan), card); /* enable interrupts */  in sca_init_port()
184 	card_t *card = port->card;  in sca_msci_intr()  local
186 	if (sca_in(msci + ST1, card) & ST1_CDCD) {  in sca_msci_intr()
188 		sca_out(ST1_CDCD, msci + ST1, card);  in sca_msci_intr()
193 static inline void sca_rx(card_t *card, port_t *port, pkt_desc __iomem *desc,  in sca_rx()  argument
209 	memcpy_fromio(skb->data, card->rambase + buff, len);  in sca_rx()
227 	card_t *card = port->card;  in sca_rx_done()  local
228 	u8 stat = sca_in(DSR_RX(port->chan), card); /* read DMA Status */  in sca_rx_done()
233 		DSR_RX(port->chan), card);  in sca_rx_done()
242 		u32 cda = sca_inl(dmac + CDAL, card);  in sca_rx_done()
263 			sca_rx(card, port, desc, port->rxin);  in sca_rx_done()
268 		sca_outl(desc_off, dmac + EDAL, card);  in sca_rx_done()
269 		port->rxin = (port->rxin + 1) % card->rx_ring_buffers;  in sca_rx_done()
273 	sca_out(DSR_DE, DSR_RX(port->chan), card);  in sca_rx_done()
281 	card_t *card = port->card;  in sca_tx_done()  local
287 	stat = sca_in(DSR_TX(port->chan), card); /* read DMA Status */  in sca_tx_done()
291 		DSR_TX(port->chan), card);  in sca_tx_done()
308 		port->txlast = (port->txlast + 1) % card->tx_ring_buffers;  in sca_tx_done()
319 	u32 isr0 = sca_inl(ISR0, port->card);  in sca_poll()
341 	card_t *card = dev_id;  in sca_intr()  local
342 	u32 isr0 = sca_inl(ISR0, card);  in sca_intr()
346 		port_t *port = get_port(card, i);  in sca_intr()
359 	card_t *card = port->card;  in sca_set_port()  local
361 	u8 md2 = sca_in(msci + MD2, card);  in sca_set_port()
394 	sca_out(port->tmc, msci + TMCR, card);  in sca_set_port()
395 	sca_out(port->tmc, msci + TMCT, card);  in sca_set_port()
398 	sca_out(port->rxs, msci + RXS, card);  in sca_set_port()
399 	sca_out(port->txs, msci + TXS, card);  in sca_set_port()
406 	sca_out(md2, msci + MD2, card);  in sca_set_port()
412 	card_t *card = port->card;  in sca_open()  local
453 	sca_out(CMD_RESET, msci + CMD, card);  in sca_open()
454 	sca_out(md0, msci + MD0, card);  in sca_open()
455 	sca_out(0x00, msci + MD1, card); /* no address field check */  in sca_open()
456 	sca_out(md2, msci + MD2, card);  in sca_open()
457 	sca_out(0x7E, msci + IDL, card); /* flag character 0x7E */  in sca_open()
459 	sca_out(CTL_IDLE | CTL_URCT | CTL_URSKP, msci + CTL, card);  in sca_open()
460 	sca_out(0x0F, msci + RNR, card); /* +1=RX DMA activation condition */  in sca_open()
461 	sca_out(0x3C, msci + TFS, card); /* +1 = TX start */  in sca_open()
462 	sca_out(0x38, msci + TCR, card); /* =Critical TX DMA activ condition */  in sca_open()
463 	sca_out(0x38, msci + TNR0, card); /* =TX DMA activation condition */  in sca_open()
464 	sca_out(0x3F, msci + TNR1, card); /* +1=TX DMA deactivation condition*/  in sca_open()
470 	sca_outl(IE0_RXINTA | IE0_CDCD, msci + IE0, card);  in sca_open()
472 	sca_out(port->tmc, msci + TMCR, card);  in sca_open()
473 	sca_out(port->tmc, msci + TMCT, card);  in sca_open()
474 	sca_out(port->rxs, msci + RXS, card);  in sca_open()
475 	sca_out(port->txs, msci + TXS, card);  in sca_open()
476 	sca_out(CMD_TX_ENABLE, msci + CMD, card);  in sca_open()
477 	sca_out(CMD_RX_ENABLE, msci + CMD, card);  in sca_open()
490 	sca_out(CMD_RESET, get_msci(port) + CMD, port->card);  in sca_close()
522 	card_t *card = port->card;  in sca_dump_rings()  local
526 	       sca_inl(get_dmac_rx(port) + CDAL, card),  in sca_dump_rings()
527 	       sca_inl(get_dmac_rx(port) + EDAL, card),  in sca_dump_rings()
528 	       sca_in(DSR_RX(port->chan), card), port->rxin,  in sca_dump_rings()
529 	       sca_in(DSR_RX(port->chan), card) & DSR_DE ? "" : "in");  in sca_dump_rings()
530 	for (cnt = 0; cnt < port->card->rx_ring_buffers; cnt++)  in sca_dump_rings()
536 	       sca_inl(get_dmac_tx(port) + CDAL, card),  in sca_dump_rings()
537 	       sca_inl(get_dmac_tx(port) + EDAL, card),  in sca_dump_rings()
538 	       sca_in(DSR_TX(port->chan), card), port->txin, port->txlast,  in sca_dump_rings()
539 	       sca_in(DSR_TX(port->chan), card) & DSR_DE ? "" : "in");  in sca_dump_rings()
541 	for (cnt = 0; cnt < port->card->tx_ring_buffers; cnt++)  in sca_dump_rings()
547 	       sca_in(get_msci(port) + MD0, card),  in sca_dump_rings()
548 	       sca_in(get_msci(port) + MD1, card),  in sca_dump_rings()
549 	       sca_in(get_msci(port) + MD2, card),  in sca_dump_rings()
550 	       sca_in(get_msci(port) + ST0, card),  in sca_dump_rings()
551 	       sca_in(get_msci(port) + ST1, card),  in sca_dump_rings()
552 	       sca_in(get_msci(port) + ST2, card),  in sca_dump_rings()
553 	       sca_in(get_msci(port) + ST3, card),  in sca_dump_rings()
554 	       sca_in(get_msci(port) + ST4, card),  in sca_dump_rings()
555 	       sca_in(get_msci(port) + FST, card),  in sca_dump_rings()
556 	       sca_in(get_msci(port) + CST0, card),  in sca_dump_rings()
557 	       sca_in(get_msci(port) + CST1, card));  in sca_dump_rings()
559 	printk(KERN_DEBUG "ILAR: %02x ISR: %08x %08x\n", sca_in(ILAR, card),  in sca_dump_rings()
560 	       sca_inl(ISR0, card), sca_inl(ISR1, card));  in sca_dump_rings()
567 	card_t *card = port->card;  in sca_xmit()  local
584 	memcpy_toio(card->rambase + buff, skb->data, len);  in sca_xmit()
589 	port->txin = (port->txin + 1) % card->tx_ring_buffers;  in sca_xmit()
591 		 get_dmac_tx(port) + EDAL, card);  in sca_xmit()
593 	sca_out(DSR_DE, DSR_TX(port->chan), card); /* Enable TX DMA */  in sca_xmit()
605 static u32 sca_detect_ram(card_t *card, u8 __iomem *rambase, u32 ramsize)  in sca_detect_ram()  argument
623 static void sca_init(card_t *card, int wait_states)  in sca_init()  argument
625 	sca_out(wait_states, WCRL, card); /* Wait Control */  in sca_init()
626 	sca_out(wait_states, WCRM, card);  in sca_init()
627 	sca_out(wait_states, WCRH, card);  in sca_init()
629 	sca_out(0, DMER, card);	/* DMA Master disable */  in sca_init()
630 	sca_out(0x03, PCR, card); /* DMA priority */  in sca_init()
631 	sca_out(0, DSR_RX(0), card); /* DMA disable - to halt state */  in sca_init()
632 	sca_out(0, DSR_TX(0), card);  in sca_init()
633 	sca_out(0, DSR_RX(1), card);  in sca_init()
634 	sca_out(0, DSR_TX(1), card);  in sca_init()
635 	sca_out(DMER_DME, DMER, card); /* DMA Master enable */  in sca_init()