90 #define am_writeword(dev,off,val) __raw_writew(val, ISAMEM_BASE + ((off) << 1))  argument
91 #define am_readword(dev,off)      __raw_readw(ISAMEM_BASE + ((off) << 1))  argument
94 am_writebuffer(struct net_device *dev, u_int offset, unsigned char *buf, unsigned int length)  in am_writebuffer()  argument
128 am_readbuffer(struct net_device *dev, u_int offset, unsigned char *buf, unsigned int length)  in am_readbuffer()  argument
172 am79c961_ramtest(struct net_device *dev, unsigned int val)  in am79c961_ramtest()  argument
180 	am_writebuffer(dev, 0, buffer, 65536);  in am79c961_ramtest()
182 	am_readbuffer(dev, 0, buffer, 65536);  in am79c961_ramtest()
185 			printk ("%s: buffer error (%02X %02X) %05X - ", dev->name, val, buffer[i], i);  in am79c961_ramtest()
212 static unsigned int am79c961_get_rx_mode(struct net_device *dev, u16 *hash)  in am79c961_get_rx_mode()  argument
216 	if (dev->flags & IFF_PROMISC) {  in am79c961_get_rx_mode()
219 	} else if (dev->flags & IFF_ALLMULTI) {  in am79c961_get_rx_mode()
226 		netdev_for_each_mc_addr(ha, dev)  in am79c961_get_rx_mode()
234 am79c961_init_for_open(struct net_device *dev)  in am79c961_init_for_open()  argument
236 	struct dev_priv *priv = netdev_priv(dev);  in am79c961_init_for_open()
240 	u16 multi_hash[4], mode = am79c961_get_rx_mode(dev, multi_hash);  in am79c961_init_for_open()
247 …write_rreg (dev->base_addr, CSR0, CSR0_BABL|CSR0_CERR|CSR0_MISS|CSR0_MERR|CSR0_TINT|CSR0_RINT|CSR0…  in am79c961_init_for_open()
250 	write_ireg (dev->base_addr, 5, 0x00a0); /* Receive address LED */  in am79c961_init_for_open()
251 	write_ireg (dev->base_addr, 6, 0x0081); /* Collision LED */  in am79c961_init_for_open()
252 	write_ireg (dev->base_addr, 7, 0x0090); /* XMIT LED */  in am79c961_init_for_open()
253 	write_ireg (dev->base_addr, 2, 0x0000); /* MODE register selects media */  in am79c961_init_for_open()
256 		write_rreg (dev->base_addr, i, multi_hash[i - LADRL]);  in am79c961_init_for_open()
258 	for (i = PADRL, p = dev->dev_addr; i <= PADRH; i++, p += 2)  in am79c961_init_for_open()
259 		write_rreg (dev->base_addr, i, p[0] | (p[1] << 8));  in am79c961_init_for_open()
261 	write_rreg (dev->base_addr, MODE, mode);  in am79c961_init_for_open()
262 	write_rreg (dev->base_addr, POLLINT, 0);  in am79c961_init_for_open()
263 	write_rreg (dev->base_addr, SIZERXR, -RX_BUFFERS);  in am79c961_init_for_open()
264 	write_rreg (dev->base_addr, SIZETXR, -TX_BUFFERS);  in am79c961_init_for_open()
275 		am_writeword (dev, hdr_addr, first_free_addr);  in am79c961_init_for_open()
276 		am_writeword (dev, hdr_addr + 2, RMD_OWN);  in am79c961_init_for_open()
277 		am_writeword (dev, hdr_addr + 4, (-1600));  in am79c961_init_for_open()
278 		am_writeword (dev, hdr_addr + 6, 0);  in am79c961_init_for_open()
287 		am_writeword (dev, hdr_addr, first_free_addr);  in am79c961_init_for_open()
288 		am_writeword (dev, hdr_addr + 2, TMD_STP|TMD_ENP);  in am79c961_init_for_open()
289 		am_writeword (dev, hdr_addr + 4, 0xf000);  in am79c961_init_for_open()
290 		am_writeword (dev, hdr_addr + 6, 0);  in am79c961_init_for_open()
295 	write_rreg (dev->base_addr, BASERXL, priv->rxhdr);  in am79c961_init_for_open()
296 	write_rreg (dev->base_addr, BASERXH, 0);  in am79c961_init_for_open()
297 	write_rreg (dev->base_addr, BASETXL, priv->txhdr);  in am79c961_init_for_open()
298 	write_rreg (dev->base_addr, BASERXH, 0);  in am79c961_init_for_open()
299 	write_rreg (dev->base_addr, CSR0, CSR0_STOP);  in am79c961_init_for_open()
300 	write_rreg (dev->base_addr, CSR3, CSR3_IDONM|CSR3_BABLM|CSR3_DXSUFLO);  in am79c961_init_for_open()
301 	write_rreg (dev->base_addr, CSR4, CSR4_APAD_XMIT|CSR4_MFCOM|CSR4_RCVCCOM|CSR4_TXSTRTM|CSR4_JABM);  in am79c961_init_for_open()
302 	write_rreg (dev->base_addr, CSR0, CSR0_IENA|CSR0_STRT);  in am79c961_init_for_open()
307 	struct net_device *dev = (struct net_device *)data;  in am79c961_timer()  local
308 	struct dev_priv *priv = netdev_priv(dev);  in am79c961_timer()
313 	lnkstat = read_ireg(dev->base_addr, ISALED0) & ISALED0_LNKST;  in am79c961_timer()
315 	carrier = netif_carrier_ok(dev);  in am79c961_timer()
318 		netif_carrier_on(dev);  in am79c961_timer()
319 		printk("%s: link up\n", dev->name);  in am79c961_timer()
321 		netif_carrier_off(dev);  in am79c961_timer()
322 		printk("%s: link down\n", dev->name);  in am79c961_timer()
332 am79c961_open(struct net_device *dev)  in am79c961_open()  argument
334 	struct dev_priv *priv = netdev_priv(dev);  in am79c961_open()
337 	ret = request_irq(dev->irq, am79c961_interrupt, 0, dev->name, dev);  in am79c961_open()
341 	am79c961_init_for_open(dev);  in am79c961_open()
343 	netif_carrier_off(dev);  in am79c961_open()
348 	netif_start_queue(dev);  in am79c961_open()
357 am79c961_close(struct net_device *dev)  in am79c961_close()  argument
359 	struct dev_priv *priv = netdev_priv(dev);  in am79c961_close()
364 	netif_stop_queue(dev);  in am79c961_close()
365 	netif_carrier_off(dev);  in am79c961_close()
368 	write_rreg (dev->base_addr, CSR0, CSR0_STOP);  in am79c961_close()
369 	write_rreg (dev->base_addr, CSR3, CSR3_MASKALL);  in am79c961_close()
372 	free_irq (dev->irq, dev);  in am79c961_close()
380 static void am79c961_setmulticastlist (struct net_device *dev)  in am79c961_setmulticastlist()  argument
382 	struct dev_priv *priv = netdev_priv(dev);  in am79c961_setmulticastlist()
384 	u16 multi_hash[4], mode = am79c961_get_rx_mode(dev, multi_hash);  in am79c961_setmulticastlist()
389 	stopped = read_rreg(dev->base_addr, CSR0) & CSR0_STOP;  in am79c961_setmulticastlist()
395 		write_rreg(dev->base_addr, CTRL1, CTRL1_SPND);  in am79c961_setmulticastlist()
400 		while ((read_rreg(dev->base_addr, CTRL1) & CTRL1_SPND) == 0) {  in am79c961_setmulticastlist()
411 		write_rreg(dev->base_addr, i + LADRL, multi_hash[i]);  in am79c961_setmulticastlist()
416 	write_rreg(dev->base_addr, MODE, mode);  in am79c961_setmulticastlist()
422 		write_rreg(dev->base_addr, CTRL1, 0);  in am79c961_setmulticastlist()
428 static void am79c961_timeout(struct net_device *dev)  in am79c961_timeout()  argument
431 		dev->name);  in am79c961_timeout()
437 	netif_wake_queue(dev);  in am79c961_timeout()
444 am79c961_sendpacket(struct sk_buff *skb, struct net_device *dev)  in am79c961_sendpacket()  argument
446 	struct dev_priv *priv = netdev_priv(dev);  in am79c961_sendpacket()
458 	am_writebuffer (dev, bufaddr, skb->data, skb->len);  in am79c961_sendpacket()
459 	am_writeword (dev, hdraddr + 4, -skb->len);  in am79c961_sendpacket()
460 	am_writeword (dev, hdraddr + 2, TMD_OWN|TMD_STP|TMD_ENP);  in am79c961_sendpacket()
464 	write_rreg (dev->base_addr, CSR0, CSR0_TDMD|CSR0_IENA);  in am79c961_sendpacket()
472 	if (am_readword(dev, priv->txhdr + (priv->txhead << 3) + 2) & TMD_OWN)  in am79c961_sendpacket()
473 		netif_stop_queue(dev);  in am79c961_sendpacket()
484 am79c961_rx(struct net_device *dev, struct dev_priv *priv)  in am79c961_rx()  argument
496 		status = am_readword (dev, hdraddr + 2);  in am79c961_rx()
505 			am_writeword (dev, hdraddr + 2, RMD_OWN);  in am79c961_rx()
506 			dev->stats.rx_errors++;  in am79c961_rx()
509 					dev->stats.rx_frame_errors++;  in am79c961_rx()
511 					dev->stats.rx_crc_errors++;  in am79c961_rx()
513 				dev->stats.rx_length_errors++;  in am79c961_rx()
517 		len = am_readword(dev, hdraddr + 6);  in am79c961_rx()
518 		skb = netdev_alloc_skb(dev, len + 2);  in am79c961_rx()
523 			am_readbuffer(dev, pktaddr, skb_put(skb, len), len);  in am79c961_rx()
524 			am_writeword(dev, hdraddr + 2, RMD_OWN);  in am79c961_rx()
525 			skb->protocol = eth_type_trans(skb, dev);  in am79c961_rx()
527 			dev->stats.rx_bytes += len;  in am79c961_rx()
528 			dev->stats.rx_packets++;  in am79c961_rx()
530 			am_writeword (dev, hdraddr + 2, RMD_OWN);  in am79c961_rx()
531 			dev->stats.rx_dropped++;  in am79c961_rx()
541 am79c961_tx(struct net_device *dev, struct dev_priv *priv)  in am79c961_tx()  argument
549 		status = am_readword (dev, hdraddr + 2);  in am79c961_tx()
560 			dev->stats.tx_errors++;  in am79c961_tx()
562 			status2 = am_readword (dev, hdraddr + 6);  in am79c961_tx()
567 			am_writeword (dev, hdraddr + 6, 0);  in am79c961_tx()
570 				dev->stats.collisions += 16;  in am79c961_tx()
572 				dev->stats.tx_window_errors++;  in am79c961_tx()
574 				dev->stats.tx_carrier_errors++;  in am79c961_tx()
576 				dev->stats.tx_fifo_errors++;  in am79c961_tx()
579 		dev->stats.tx_packets++;  in am79c961_tx()
580 		len = am_readword (dev, hdraddr + 4);  in am79c961_tx()
581 		dev->stats.tx_bytes += -len;  in am79c961_tx()
584 	netif_wake_queue(dev);  in am79c961_tx()
590 	struct net_device *dev = (struct net_device *)dev_id;  in am79c961_interrupt()  local
591 	struct dev_priv *priv = netdev_priv(dev);  in am79c961_interrupt()
596 		status = read_rreg(dev->base_addr, CSR0);  in am79c961_interrupt()
597 		write_rreg(dev->base_addr, CSR0, status &  in am79c961_interrupt()
603 			am79c961_rx(dev, priv);  in am79c961_interrupt()
607 			am79c961_tx(dev, priv);  in am79c961_interrupt()
611 			dev->stats.rx_dropped++;  in am79c961_interrupt()
623 static void am79c961_poll_controller(struct net_device *dev)  in am79c961_poll_controller()  argument
627 	am79c961_interrupt(dev->irq, dev);  in am79c961_poll_controller()
637 am79c961_hw_init(struct net_device *dev)  in am79c961_hw_init()  argument
639 	struct dev_priv *priv = netdev_priv(dev);  in am79c961_hw_init()
642 	write_rreg (dev->base_addr, CSR0, CSR0_STOP);  in am79c961_hw_init()
643 	write_rreg (dev->base_addr, CSR3, CSR3_MASKALL);  in am79c961_hw_init()
646 	am79c961_ramtest(dev, 0x66);  in am79c961_hw_init()
647 	am79c961_ramtest(dev, 0x99);  in am79c961_hw_init()
676 	struct net_device *dev;  in am79c961_probe()  local
684 	dev = alloc_etherdev(sizeof(struct dev_priv));  in am79c961_probe()
686 	if (!dev)  in am79c961_probe()
689 	SET_NETDEV_DEV(dev, &pdev->dev);  in am79c961_probe()
691 	priv = netdev_priv(dev);  in am79c961_probe()
698 	dev->base_addr = res->start;  in am79c961_probe()
705 	dev->irq = ret;  in am79c961_probe()
708 	if (!request_region(dev->base_addr, 0x18, dev->name))  in am79c961_probe()
714 	inb(dev->base_addr + NET_RESET);  in am79c961_probe()
721 	if (inb(dev->base_addr) != 0x08 ||  in am79c961_probe()
722 	    inb(dev->base_addr + 2) != 0x00 ||  in am79c961_probe()
723 	    inb(dev->base_addr + 4) != 0x2b)  in am79c961_probe()
727 		dev->dev_addr[i] = inb(dev->base_addr + i * 2) & 0xff;  in am79c961_probe()
733 	priv->timer.data = (unsigned long)dev;  in am79c961_probe()
736 	if (am79c961_hw_init(dev))  in am79c961_probe()
739 	dev->netdev_ops = &am79c961_netdev_ops;  in am79c961_probe()
741 	ret = register_netdev(dev);  in am79c961_probe()
744 		       dev->name, dev->dev_addr);  in am79c961_probe()
749 	release_region(dev->base_addr, 0x18);  in am79c961_probe()
751 	free_netdev(dev);  in am79c961_probe()