83 /* Put out somewhat more debugging messages. (0 - no msg, 1 minimal msgs). */
97    aliased registers at <base>+0x400.
99 #define CORKSCREW_TOTAL_SIZE 0x20
169 #define EL3_CMD 0x0e
170 #define EL3_STATUS 0x0e
179 	TotalReset = 0 << 11, SelectWindow = 1 << 11, StartCoax = 2 << 11,
198 	IntLatch = 0x0001, AdapterFailure = 0x0002, TxComplete = 0x0004,
199 	TxAvailable = 0x0008, RxComplete = 0x0010, RxEarly = 0x0020,
200 	IntReq = 0x0040, StatsFull = 0x0080,
207    On the Corkscrew this window is always mapped at offsets 0x10-0x1f. */
209 	TX_FIFO = 0x10, RX_FIFO = 0x10, RxErrors = 0x14,
210 	RxStatus = 0x18, Timer = 0x1A, TxStatus = 0x1B,
211 	TxFree = 0x1C,		/* Remaining free bytes in Tx buffer. */
214 	Wn0IRQ = 0x08,
216 	Wn0EepromCmd = 0x200A,	/* Corkscrew EEPROM command register. */
217 	Wn0EepromData = 0x200C,	/* Corkscrew EEPROM results register. */
219 	Wn0EepromCmd = 10,	/* Window 0: EEPROM command register. */
220 	Wn0EepromData = 12,	/* Window 0: EEPROM results register. */
224 	EEPROM_Read = 0x80, EEPROM_WRITE = 0x40, EEPROM_ERASE = 0xC0,
225 	EEPROM_EWENB = 0x30,	/* Enable erasing/writing for 10 msec. */
226 	EEPROM_EWDIS = 0x00,	/* Disable EWENB before 10 msec timeout. */
231 	PhysAddr01 = 0, PhysAddr23 = 1, PhysAddr45 = 2, ModelID = 3,
236 	Wn3_Config = 0, Wn3_MAC_Ctrl = 6, Wn3_Options = 8,
241 	Ram_speed = 0x30,
242 	Rom_size = 0xc0,
247 	Autoselect = 0x1000000,
254 	Media_SQE = 0x0008,	/* Enable SQE error counting for AUI. */
255 	Media_10TP = 0x00C0,	/* Enable link beat and jabber for 10baseT. */
256 	Media_Lnk = 0x0080,	/* Enable just link beat for 100TX/100FX. */
257 	Media_LnkBeat = 0x0800,
260 	Wn7_MasterAddr = 0, Wn7_MasterLen = 6, Wn7_MasterStatus = 12,
265 	PktStatus = 0x400, DownListPtr = 0x404, FragAddr = 0x408, FragLen =
266 	    0x40c,
267 	TxFreeThreshold = 0x40f, UpPktStatus = 0x410, UpListPtr = 0x418,
282 	RxDComplete = 0x00008000, RxDError = 0x4000,
324 	XCVR_10baseT = 0, XCVR_AUI, XCVR_10baseTOnly, XCVR_10base2, XCVR_100baseTx,
335 	{ "10baseT", Media_10TP, 0x08, XCVR_10base2, (14 * HZ) / 10 },
336 	{ "10Mbs AUI", Media_SQE, 0x20, XCVR_Default, (1 * HZ) / 10},
337 	{ "undefined", 0, 0x80, XCVR_10baseT, 10000},
338 	{ "10base2", 0, 0x10, XCVR_AUI, (1 * HZ) / 10},
339 	{ "100baseTX", Media_Lnk, 0x02, XCVR_100baseFx, (14 * HZ) / 10},
340 	{ "100baseFX", Media_Lnk, 0x04, XCVR_MII, (14 * HZ) / 10},
341 	{ "MII", 0, 0x40, XCVR_10baseT, 3 * HZ},
342 	{ "undefined", 0, 0x01, XCVR_10baseT, 10000},
343 	{ "Default", 0, 0xFF, XCVR_10baseT, 10000},
349 		ISAPNP_VENDOR('T', 'C', 'M'), ISAPNP_FUNCTION(0x5051),
396 module_param(debug, int, 0);
397 module_param_array(options, int, NULL, 0);
398 module_param(rx_copybreak, int, 0);
399 module_param(max_interrupt_work, int, 0);
400 MODULE_PARM_DESC(debug, "3c515 debug level (0-6)");
401 MODULE_PARM_DESC(options, "3c515: Bits 0-2: media type, bit 3: full duplex, bit 4: bus mastering");
411 	int found = 0;  in corkscrew_init_module()
412 	if (debug >= 0)  in corkscrew_init_module()
416 	return found ? 0 : -ENODEV;  in corkscrew_init_module()
437 		return 0;  in check_device()
439 	if ((inw(ioaddr + 0x2002) & 0x1f0) != (ioaddr & 0x1f0)) {  in check_device()
441 		return 0;  in check_device()
446 	for (timer = 4; timer >= 0; timer--) {  in check_device()
448 		if ((inw(ioaddr + Wn0EepromCmd) & 0x0200) == 0)  in check_device()
451 	if (inw(ioaddr + Wn0EepromData) != 0x6d50) {  in check_device()
453 		return 0;  in check_device()
473 	static int cards_found = 0;  in corkscrew_scan()
485 	if (unit >= 0) {  in corkscrew_scan()
493 	for(i=0; corkscrew_isapnp_adapters[i].vendor != 0; i++) {  in corkscrew_scan()
501 			if (pnp_device_attach(idev) < 0)  in corkscrew_scan()
503 			if (pnp_activate_dev(idev) < 0) {  in corkscrew_scan()
508 			if (!pnp_port_valid(idev, 0) || !pnp_irq_valid(idev, 0)) {  in corkscrew_scan()
512 			ioaddr = pnp_port_start(idev, 0);  in corkscrew_scan()
513 			irq = pnp_irq(idev, 0);  in corkscrew_scan()
519 				pr_debug("ISAPNP reports %s at i/o 0x%x, irq %d\n",  in corkscrew_scan()
522 		     		inl(ioaddr + 0x2002), inw(ioaddr + 0x2000));  in corkscrew_scan()
523 			/* irq = inw(ioaddr + 0x2002) & 15; */ /* Use the irq from isapnp */  in corkscrew_scan()
536 	for (ioaddr = 0x100; ioaddr < 0x400; ioaddr += 0x20) {  in corkscrew_scan()
541 		     inl(ioaddr + 0x2002), inw(ioaddr + 0x2000));  in corkscrew_scan()
568 	unsigned int eeprom[0x40], checksum = 0;	/* EEPROM contents */  in corkscrew_setup()
575 		irq = pnp_irq(idev, 0);  in corkscrew_setup()
578 		irq = inw(ioaddr + 0x2002) & 15;  in corkscrew_setup()
581 	irq = inw(ioaddr + 0x2002) & 15;  in corkscrew_setup()
586 	dev->dma = inw(ioaddr + 0x2000) & 7;  in corkscrew_setup()
598 	if (vp->options >= 0) {  in corkscrew_setup()
601 			vp->media_override = 0;  in corkscrew_setup()
602 		vp->full_duplex = (vp->options & 8) ? 1 : 0;  in corkscrew_setup()
603 		vp->bus_master = (vp->options & 16) ? 1 : 0;  in corkscrew_setup()
606 		vp->full_duplex = 0;  in corkscrew_setup()
607 		vp->bus_master = 0;  in corkscrew_setup()
617 	timer_setup(&vp->timer, corkscrew_timer, 0);  in corkscrew_setup()
620 	EL3WINDOW(0);  in corkscrew_setup()
621 	for (i = 0; i < 0x18; i++) {  in corkscrew_setup()
625 		for (timer = 4; timer >= 0; timer--) {  in corkscrew_setup()
627 			if ((inw(ioaddr + Wn0EepromCmd) & 0x0200) == 0)  in corkscrew_setup()
636 	checksum = (checksum ^ (checksum >> 8)) & 0xff;  in corkscrew_setup()
637 	if (checksum != 0x00)  in corkscrew_setup()
640 	if (eeprom[16] == 0x11c7) {	/* Corkscrew */  in corkscrew_setup()
643 			dev->dma = 0;  in corkscrew_setup()
649 	if (corkscrew_debug && (dev->irq <= 0 || dev->irq > 15))  in corkscrew_setup()
670 		vp->autoselect = config & Autoselect ? 1 : 0;  in corkscrew_setup()
681 	vp->full_bus_master_tx = (vp->capabilities & 0x20) ? 1 : 0;  in corkscrew_setup()
683 	/* vp->full_bus_master_rx = 0; */  in corkscrew_setup()
684 	vp->full_bus_master_rx = (vp->capabilities & 0x20) ? 1 : 0;  in corkscrew_setup()
706 		outb(0x20, ioaddr + Wn3_MAC_Ctrl);	/* Set the full-duplex bit. */  in corkscrew_open()
737 	for (i = 20; i >= 0; i--)  in corkscrew_open()
743 	for (i = 20; i >= 0; i--)  in corkscrew_open()
747 	outw(SetStatusEnb | 0x00, ioaddr + EL3_CMD);  in corkscrew_open()
750 	if (vp->capabilities == 0x11c7) {  in corkscrew_open()
752 		if (dev->irq == 0 ||  in corkscrew_open()
753 		    dev->dma == 0 ||  in corkscrew_open()
754 		    request_irq(dev->irq, corkscrew_interrupt, 0,  in corkscrew_open()
775 	for (i = 0; i < 6; i++)  in corkscrew_open()
778 		outw(0, ioaddr + i);  in corkscrew_open()
790 	for (i = 0; i < 10; i++)  in corkscrew_open()
798 	outw(0x0040, ioaddr + Wn4_NetDiag);  in corkscrew_open()
804 		vp->cur_rx = vp->dirty_rx = 0;  in corkscrew_open()
807 		for (i = 0; i < RX_RING_SIZE; i++) {  in corkscrew_open()
813 				vp->rx_ring[i].next = 0;  in corkscrew_open()
814 			vp->rx_ring[i].status = 0;	/* Clear complete bit. */  in corkscrew_open()
815 			vp->rx_ring[i].length = PKT_BUF_SZ | 0x80000000;  in corkscrew_open()
823 		if (i != 0)  in corkscrew_open()
825 				isa_virt_to_bus(&vp->rx_ring[0]);	/* Wrap the ring. */  in corkscrew_open()
826 		outl(isa_virt_to_bus(&vp->rx_ring[0]), ioaddr + UpListPtr);  in corkscrew_open()
829 		vp->cur_tx = vp->dirty_tx = 0;  in corkscrew_open()
832 		for (i = 0; i < TX_RING_SIZE; i++)  in corkscrew_open()
834 		outl(0, ioaddr + DownListPtr);  in corkscrew_open()
848 	     (vp->bus_master ? DMADone : 0), ioaddr + EL3_CMD);  in corkscrew_open()
853 	     | (vp->bus_master ? DMADone : 0) | UpComplete | DownComplete,  in corkscrew_open()
856 	return 0;  in corkscrew_open()
866 	int ok = 0;  in corkscrew_timer()
880 		case 0:  in corkscrew_timer()
961 	if ((inb(ioaddr + TxStatus) & 0x88) == 0x88)  in corkscrew_timeout()
969 	       &vp->tx_ring[0]);  in corkscrew_timeout()
970 	for (i = 0; i < TX_RING_SIZE; i++) {  in corkscrew_timeout()
978 	for (i = 20; i >= 0; i--)  in corkscrew_timeout()
1007 		if (vp->cur_tx != 0)  in corkscrew_start_xmit()
1016 		vp->tx_ring[entry].next = 0;  in corkscrew_start_xmit()
1018 		vp->tx_ring[entry].length = skb->len | 0x80000000;  in corkscrew_start_xmit()
1019 		vp->tx_ring[entry].status = skb->len | 0x80000000;  in corkscrew_start_xmit()
1024 		for (i = 20; i >= 0; i--)  in corkscrew_start_xmit()
1025 			if ((inw(ioaddr + EL3_STATUS) & CmdInProgress) == 0)  in corkscrew_start_xmit()
1029 		if (inl(ioaddr + DownListPtr) == 0) {  in corkscrew_start_xmit()
1042 				prev_entry->status &= ~0x80000000;  in corkscrew_start_xmit()
1086 		while (--i > 0 && (tx_status = inb(ioaddr + TxStatus)) > 0) {  in corkscrew_start_xmit()
1087 			if (tx_status & 0x3C) {	/* A Tx-disabling error occurred.  */  in corkscrew_start_xmit()
1091 				if (tx_status & 0x04)  in corkscrew_start_xmit()
1093 				if (tx_status & 0x38)  in corkscrew_start_xmit()
1095 				if (tx_status & 0x30) {  in corkscrew_start_xmit()
1098 					for (j = 20; j >= 0; j--)  in corkscrew_start_xmit()
1104 			outb(0x00, ioaddr + TxStatus);	/* Pop the status stack. */  in corkscrew_start_xmit()
1132 	if ((status & 0xE000) != 0xE000) {  in corkscrew_interrupt()
1162 			while (lp->cur_tx - dirty_tx > 0) {  in corkscrew_interrupt()
1175 				lp->tx_full = 0;  in corkscrew_interrupt()
1181 			outw(0x1000, ioaddr + Wn7_MasterStatus);	/* Ack the event. */  in corkscrew_interrupt()
1203 				if (DoneDidThat == 0 && inw(ioaddr + EL3_STATUS) & StatsFull) {  in corkscrew_interrupt()
1207 					for (win = 0; win < 8; win++) {  in corkscrew_interrupt()
1210 						for (reg = 0; reg < 16; reg++)  in corkscrew_interrupt()
1233 		if (--i < 0) {  in corkscrew_interrupt()
1235 				dev->name, status, SetStatusEnb | ((~status) & 0x7FE));  in corkscrew_interrupt()
1237 			outw(SetStatusEnb | ((~status) & 0x7FE), ioaddr + EL3_CMD);  in corkscrew_interrupt()
1238 			outw(AckIntr | 0x7FF, ioaddr + EL3_CMD);  in corkscrew_interrupt()
1262 	while ((rx_status = inw(ioaddr + RxStatus)) > 0) {  in corkscrew_rx()
1263 		if (rx_status & 0x4000) {	/* Error, update stats. */  in corkscrew_rx()
1269 			if (rx_error & 0x01)  in corkscrew_rx()
1271 			if (rx_error & 0x02)  in corkscrew_rx()
1273 			if (rx_error & 0x04)  in corkscrew_rx()
1275 			if (rx_error & 0x08)  in corkscrew_rx()
1277 			if (rx_error & 0x10)  in corkscrew_rx()
1281 			short pkt_len = rx_status & 0x1fff;  in corkscrew_rx()
1300 				for (i = 200; i >= 0; i--)  in corkscrew_rx()
1310 		for (i = 200; i >= 0; i--)  in corkscrew_rx()
1314 	return 0;  in corkscrew_rx()
1334 			if (rx_error & 0x01)  in boomerang_rx()
1336 			if (rx_error & 0x02)  in boomerang_rx()
1338 			if (rx_error & 0x04)  in boomerang_rx()
1340 			if (rx_error & 0x08)  in boomerang_rx()
1342 			if (rx_error & 0x10)  in boomerang_rx()
1346 			short pkt_len = rx_status & 0x1fff;  in boomerang_rx()
1385 	for (; vp->cur_rx - vp->dirty_rx > 0; vp->dirty_rx++) {  in boomerang_rx()
1396 		vp->rx_ring[entry].status = 0;	/* Clear complete bit. */  in boomerang_rx()
1398 	return 0;  in boomerang_rx()
1432 	outw(SetIntrEnb | 0x0000, ioaddr + EL3_CMD);  in corkscrew_close()
1436 		outl(0, ioaddr + UpListPtr);  in corkscrew_close()
1437 		for (i = 0; i < RX_RING_SIZE; i++)  in corkscrew_close()
1444 		outl(0, ioaddr + DownListPtr);  in corkscrew_close()
1445 		for (i = 0; i < TX_RING_SIZE; i++)  in corkscrew_close()
1452 	return 0;  in corkscrew_close()
1480 	dev->stats.tx_carrier_errors += inb(ioaddr + 0);  in update_stats()
1487 	dev->stats.tx_packets += (inb(ioaddr + 9) & 0x30) << 4;  in update_stats()
1530 	snprintf(info->bus_info, sizeof(info->bus_info), "ISA 0x%lx",  in netdev_get_drvinfo()