2 * Copyright (c) 1996, Javier MartÃn Rueda (jmrueda@diatel.upm.es)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * $FreeBSD: src/sys/dev/ex/if_ex.c,v 1.26.2.3 2001/03/05 05:33:20 imp Exp $
28 * $DragonFly: src/sys/dev/netif/ex/if_ex.c,v 1.5 2003/08/27 09:38:31 rob Exp $
30 * MAINTAINER: Matthew N. Dodd <winter@jurai.net>
35 * Intel EtherExpress Pro/10, Pro/10+ Ethernet driver
39 * 30-Oct-1996: first beta version. Inet and BPF supported, but no multicast.
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/sockio.h>
47 #include <sys/socket.h>
49 #include <sys/module.h>
52 #include <machine/bus.h>
53 #include <machine/resource.h>
57 #include <net/if_arp.h>
58 #include <net/if_media.h>
59 #include <net/ethernet.h>
62 #include <netinet/in.h>
63 #include <netinet/if_ether.h>
64 #include <machine/clock.h>
67 #include <bus/isa/isavar.h>
68 #include <bus/isa/pnpvar.h>
78 static int debug_mask = 0;
79 static int exintr_count = 0;
80 # define DODEBUG(level, action) if (level & debug_mask) action
82 # define DODEBUG(level, action)
86 { -1, -1, 0, 1, -1, 2, -1, -1, -1, 0, 3, 4, -1, -1, -1, -1 };
88 { 9, 3, 5, 10, 11, 0, 0, 0 };
90 char plus_irq2eemap[] =
91 { -1, -1, -1, 0, 1, 2, -1, 3, -1, 4, 5, 6, 7, -1, -1, -1 };
92 u_char plus_ee2irqmap[] =
93 { 3, 4, 5, 7, 9, 10, 11, 12 };
95 /* Network Interface Functions */
96 static void ex_init (void *);
97 static void ex_start (struct ifnet *);
98 static int ex_ioctl (struct ifnet *, u_long, caddr_t);
99 static void ex_watchdog (struct ifnet *);
101 /* ifmedia Functions */
102 static int ex_ifmedia_upd (struct ifnet *);
103 static void ex_ifmedia_sts (struct ifnet *, struct ifmediareq *);
105 static int ex_get_media (u_int32_t iobase);
107 static void ex_reset (struct ex_softc *);
109 static void ex_tx_intr (struct ex_softc *);
110 static void ex_rx_intr (struct ex_softc *);
113 look_for_card (u_int32_t iobase)
118 * Check for the i82595 signature, and check that the round robin
119 * counter actually advances.
121 if (((count1 = inb(iobase + ID_REG)) & Id_Mask) != Id_Sig)
123 count2 = inb(iobase + ID_REG);
124 count2 = inb(iobase + ID_REG);
125 count2 = inb(iobase + ID_REG);
127 return((count2 & Counter_bits) == ((count1 + 0xc0) & Counter_bits));
131 ex_get_address (u_int32_t iobase, u_char *enaddr)
135 eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Lo);
136 enaddr[5] = eaddr_tmp & 0xff;
137 enaddr[4] = eaddr_tmp >> 8;
138 eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Mid);
139 enaddr[3] = eaddr_tmp & 0xff;
140 enaddr[2] = eaddr_tmp >> 8;
141 eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Hi);
142 enaddr[1] = eaddr_tmp & 0xff;
143 enaddr[0] = eaddr_tmp >> 8;
149 ex_card_type (u_char *enaddr)
151 if ((enaddr[0] == 0x00) && (enaddr[1] == 0xA0) && (enaddr[2] == 0xC9))
152 return (CARD_TYPE_EX_10_PLUS);
154 return (CARD_TYPE_EX_10);
158 * Caller is responsible for eventually calling
159 * ex_release_resources() on failure.
162 ex_alloc_resources (device_t dev)
164 struct ex_softc * sc = device_get_softc(dev);
167 sc->ioport = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->ioport_rid,
168 0, ~0, 1, RF_ACTIVE);
170 device_printf(dev, "No I/O space?!\n");
175 sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
176 0, ~0, 1, RF_ACTIVE);
179 device_printf(dev, "No IRQ?!\n");
189 ex_release_resources (device_t dev)
191 struct ex_softc * sc = device_get_softc(dev);
194 bus_teardown_intr(dev, sc->irq, sc->ih);
199 bus_release_resource(dev, SYS_RES_IOPORT,
200 sc->ioport_rid, sc->ioport);
205 bus_release_resource(dev, SYS_RES_IRQ,
206 sc->irq_rid, sc->irq);
214 ex_attach(device_t dev)
216 struct ex_softc * sc = device_get_softc(dev);
217 struct ifnet * ifp = &sc->arpcom.ac_if;
218 struct ifmedia * ifm;
219 int unit = device_get_unit(dev);
222 /* work out which set of irq <-> internal tables to use */
223 if (ex_card_type(sc->arpcom.ac_enaddr) == CARD_TYPE_EX_10_PLUS) {
224 sc->irq2ee = plus_irq2eemap;
225 sc->ee2irq = plus_ee2irqmap;
227 sc->irq2ee = irq2eemap;
228 sc->ee2irq = ee2irqmap;
231 sc->mem_size = CARD_RAM_SIZE; /* XXX This should be read from the card itself. */
234 * Initialize the ifnet structure.
239 ifp->if_mtu = ETHERMTU;
240 ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST /* XXX not done yet. | IFF_MULTICAST */;
241 ifp->if_output = ether_output;
242 ifp->if_start = ex_start;
243 ifp->if_ioctl = ex_ioctl;
244 ifp->if_watchdog = ex_watchdog;
245 ifp->if_init = ex_init;
246 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
248 ifmedia_init(&sc->ifmedia, 0, ex_ifmedia_upd, ex_ifmedia_sts);
250 temp = eeprom_read(sc->iobase, EE_W5);
251 if (temp & EE_W5_PORT_TPE)
252 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
253 if (temp & EE_W5_PORT_BNC)
254 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_2, 0, NULL);
255 if (temp & EE_W5_PORT_AUI)
256 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_5, 0, NULL);
258 ifmedia_set(&sc->ifmedia, ex_get_media(sc->iobase));
261 ifm->ifm_media = ifm->ifm_cur->ifm_media;
265 * Attach the interface.
267 ether_ifattach(ifp, ETHER_BPF_SUPPORTED);
269 device_printf(sc->dev, "Ethernet address %6D\n",
270 sc->arpcom.ac_enaddr, ":");
278 struct ex_softc * sc = (struct ex_softc *) xsc;
279 struct ifnet * ifp = &sc->arpcom.ac_if;
282 register int iobase = sc->iobase;
283 unsigned short temp_reg;
285 DODEBUG(Start_End, printf("ex_init%d: start\n", ifp->if_unit););
287 if (TAILQ_FIRST(&ifp->if_addrhead) == NULL) {
294 * Load the ethernet address into the card.
296 outb(iobase + CMD_REG, Bank2_Sel);
297 temp_reg = inb(iobase + EEPROM_REG);
298 if (temp_reg & Trnoff_Enable) {
299 outb(iobase + EEPROM_REG, temp_reg & ~Trnoff_Enable);
301 for (i = 0; i < ETHER_ADDR_LEN; i++) {
302 outb(iobase + I_ADDR_REG0 + i, sc->arpcom.ac_enaddr[i]);
305 * - Setup transmit chaining and discard bad received frames.
308 * - Set receiving mode.
311 outb(iobase + REG1, inb(iobase + REG1) | Tx_Chn_Int_Md | Tx_Chn_ErStp | Disc_Bad_Fr);
312 outb(iobase + REG2, inb(iobase + REG2) | No_SA_Ins | RX_CRC_InMem);
313 outb(iobase + REG3, inb(iobase + REG3) & 0x3f /* XXX constants. */ );
314 outb(iobase + CMD_REG, Bank1_Sel);
315 outb(iobase + INT_NO_REG, (inb(iobase + INT_NO_REG) & 0xf8) | sc->irq2ee[sc->irq_no]);
318 * Divide the available memory in the card into rcv and xmt buffers.
319 * By default, I use the first 3/4 of the memory for the rcv buffer,
320 * and the remaining 1/4 of the memory for the xmt buffer.
322 sc->rx_mem_size = sc->mem_size * 3 / 4;
323 sc->tx_mem_size = sc->mem_size - sc->rx_mem_size;
324 sc->rx_lower_limit = 0x0000;
325 sc->rx_upper_limit = sc->rx_mem_size - 2;
326 sc->tx_lower_limit = sc->rx_mem_size;
327 sc->tx_upper_limit = sc->mem_size - 2;
328 outb(iobase + RCV_LOWER_LIMIT_REG, sc->rx_lower_limit >> 8);
329 outb(iobase + RCV_UPPER_LIMIT_REG, sc->rx_upper_limit >> 8);
330 outb(iobase + XMT_LOWER_LIMIT_REG, sc->tx_lower_limit >> 8);
331 outb(iobase + XMT_UPPER_LIMIT_REG, sc->tx_upper_limit >> 8);
334 * Enable receive and transmit interrupts, and clear any pending int.
336 outb(iobase + REG1, inb(iobase + REG1) | TriST_INT);
337 outb(iobase + CMD_REG, Bank0_Sel);
338 outb(iobase + MASK_REG, All_Int & ~(Rx_Int | Tx_Int));
339 outb(iobase + STATUS_REG, All_Int);
342 * Initialize receive and transmit ring buffers.
344 outw(iobase + RCV_BAR, sc->rx_lower_limit);
345 sc->rx_head = sc->rx_lower_limit;
346 outw(iobase + RCV_STOP_REG, sc->rx_upper_limit | 0xfe);
347 outw(iobase + XMT_BAR, sc->tx_lower_limit);
348 sc->tx_head = sc->tx_tail = sc->tx_lower_limit;
350 ifp->if_flags |= IFF_RUNNING;
351 ifp->if_flags &= ~IFF_OACTIVE;
352 DODEBUG(Status, printf("OIDLE init\n"););
355 * Final reset of the board, and enable operation.
357 outb(iobase + CMD_REG, Sel_Reset_CMD);
359 outb(iobase + CMD_REG, Rcv_Enable_CMD);
364 DODEBUG(Start_End, printf("ex_init%d: finish\n", ifp->if_unit););
369 ex_start(struct ifnet *ifp)
371 struct ex_softc * sc = ifp->if_softc;
372 int iobase = sc->iobase;
373 int i, s, len, data_len, avail, dest, next;
374 unsigned char tmp16[2];
378 DODEBUG(Start_End, printf("ex_start%d: start\n", unit););
383 * Main loop: send outgoing packets to network card until there are no
384 * more packets left, or the card cannot accept any more yet.
386 while (((opkt = ifp->if_snd.ifq_head) != NULL) &&
387 !(ifp->if_flags & IFF_OACTIVE)) {
390 * Ensure there is enough free transmit buffer space for
391 * this packet, including its header. Note: the header
392 * cannot wrap around the end of the transmit buffer and
393 * must be kept together, so we allow space for twice the
394 * length of the header, just in case.
397 for (len = 0, m = opkt; m != NULL; m = m->m_next) {
403 DODEBUG(Sent_Pkts, printf("1. Sending packet with %d data bytes. ", data_len););
406 len += XMT_HEADER_LEN + 1;
408 len += XMT_HEADER_LEN;
411 if ((i = sc->tx_tail - sc->tx_head) >= 0) {
412 avail = sc->tx_mem_size - i;
417 DODEBUG(Sent_Pkts, printf("i=%d, avail=%d\n", i, avail););
419 if (avail >= len + XMT_HEADER_LEN) {
420 IF_DEQUEUE(&ifp->if_snd, opkt);
424 * Disable rx and tx interrupts, to avoid corruption
425 * of the host address register by interrupt service
427 * XXX Is this necessary with splimp() enabled?
429 outb(iobase + MASK_REG, All_Int);
433 * Compute the start and end addresses of this
434 * frame in the tx buffer.
439 if (next > sc->tx_upper_limit) {
440 if ((sc->tx_upper_limit + 2 - sc->tx_tail) <=
442 dest = sc->tx_lower_limit;
445 next = sc->tx_lower_limit +
446 next - sc->tx_upper_limit - 2;
451 * Build the packet frame in the card's ring buffer.
453 DODEBUG(Sent_Pkts, printf("2. dest=%d, next=%d. ", dest, next););
455 outw(iobase + HOST_ADDR_REG, dest);
456 outw(iobase + IO_PORT_REG, Transmit_CMD);
457 outw(iobase + IO_PORT_REG, 0);
458 outw(iobase + IO_PORT_REG, next);
459 outw(iobase + IO_PORT_REG, data_len);
462 * Output the packet data to the card. Ensure all
463 * transfers are 16-bit wide, even if individual
464 * mbufs have odd length.
467 for (m = opkt, i = 0; m != NULL; m = m->m_next) {
468 DODEBUG(Sent_Pkts, printf("[%d]", m->m_len););
470 tmp16[1] = *(mtod(m, caddr_t));
471 outsw(iobase + IO_PORT_REG, tmp16, 1);
473 outsw(iobase + IO_PORT_REG,
474 mtod(m, caddr_t) + i, (m->m_len - i) / 2);
476 if ((i = (m->m_len - i) & 1) != 0) {
477 tmp16[0] = *(mtod(m, caddr_t) +
482 outsw(iobase + IO_PORT_REG, tmp16, 1);
486 * If there were other frames chained, update the
487 * chain in the last one.
489 if (sc->tx_head != sc->tx_tail) {
490 if (sc->tx_tail != dest) {
491 outw(iobase + HOST_ADDR_REG,
492 sc->tx_last + XMT_Chain_Point);
493 outw(iobase + IO_PORT_REG, dest);
495 outw(iobase + HOST_ADDR_REG,
496 sc->tx_last + XMT_Byte_Count);
497 i = inw(iobase + IO_PORT_REG);
498 outw(iobase + HOST_ADDR_REG,
499 sc->tx_last + XMT_Byte_Count);
500 outw(iobase + IO_PORT_REG, i | Ch_bit);
504 * Resume normal operation of the card:
505 * - Make a dummy read to flush the DRAM write
507 * - Enable receive and transmit interrupts.
508 * - Send Transmit or Resume_XMT command, as
511 inw(iobase + IO_PORT_REG);
513 outb(iobase + MASK_REG, All_Int & ~(Rx_Int | Tx_Int));
515 if (sc->tx_head == sc->tx_tail) {
516 outw(iobase + XMT_BAR, dest);
517 outb(iobase + CMD_REG, Transmit_CMD);
519 DODEBUG(Sent_Pkts, printf("Transmit\n"););
521 outb(iobase + CMD_REG, Resume_XMT_List_CMD);
522 DODEBUG(Sent_Pkts, printf("Resume\n"););
528 if (ifp->if_bpf != NULL) {
536 ifp->if_flags |= IFF_OACTIVE;
537 DODEBUG(Status, printf("OACTIVE start\n"););
543 DODEBUG(Start_End, printf("ex_start%d: finish\n", unit););
547 ex_stop(struct ex_softc *sc)
549 int iobase = sc->iobase;
551 DODEBUG(Start_End, printf("ex_stop%d: start\n", unit););
554 * Disable card operation:
555 * - Disable the interrupt line.
556 * - Flush transmission and disable reception.
557 * - Mask and clear all interrupts.
560 outb(iobase + CMD_REG, Bank1_Sel);
561 outb(iobase + REG1, inb(iobase + REG1) & ~TriST_INT);
562 outb(iobase + CMD_REG, Bank0_Sel);
563 outb(iobase + CMD_REG, Rcv_Stop);
564 sc->tx_head = sc->tx_tail = sc->tx_lower_limit;
565 sc->tx_last = 0; /* XXX I think these two lines are not necessary, because ex_init will always be called again to reinit the interface. */
566 outb(iobase + MASK_REG, All_Int);
567 outb(iobase + STATUS_REG, All_Int);
568 outb(iobase + CMD_REG, Reset_CMD);
571 DODEBUG(Start_End, printf("ex_stop%d: finish\n", unit););
579 struct ex_softc * sc = (struct ex_softc *)arg;
580 struct ifnet * ifp = &sc->arpcom.ac_if;
581 int iobase = sc->iobase;
582 int int_status, send_pkts;
584 DODEBUG(Start_End, printf("ex_intr%d: start\n", unit););
587 if (++exintr_count != 1)
588 printf("WARNING: nested interrupt (%d). Mail the author.\n", exintr_count);
592 while ((int_status = inb(iobase + STATUS_REG)) & (Tx_Int | Rx_Int)) {
593 if (int_status & Rx_Int) {
594 outb(iobase + STATUS_REG, Rx_Int);
597 } else if (int_status & Tx_Int) {
598 outb(iobase + STATUS_REG, Tx_Int);
606 * If any packet has been transmitted, and there are queued packets to
607 * be sent, attempt to send more packets to the network card.
610 if (send_pkts && (ifp->if_snd.ifq_head != NULL)) {
618 DODEBUG(Start_End, printf("ex_intr%d: finish\n", unit););
624 ex_tx_intr(struct ex_softc *sc)
626 struct ifnet * ifp = &sc->arpcom.ac_if;
627 int iobase = sc->iobase;
630 DODEBUG(Start_End, printf("ex_tx_intr%d: start\n", unit););
633 * - Cancel the watchdog.
634 * For all packets transmitted since last transmit interrupt:
635 * - Advance chain pointer to next queued packet.
636 * - Update statistics.
641 while (sc->tx_head != sc->tx_tail) {
642 outw(iobase + HOST_ADDR_REG, sc->tx_head);
644 if (! inw(iobase + IO_PORT_REG) & Done_bit)
647 tx_status = inw(iobase + IO_PORT_REG);
648 sc->tx_head = inw(iobase + IO_PORT_REG);
650 if (tx_status & TX_OK_bit) {
656 ifp->if_collisions += tx_status & No_Collisions_bits;
660 * The card should be ready to accept more packets now.
663 ifp->if_flags &= ~IFF_OACTIVE;
665 DODEBUG(Status, printf("OIDLE tx_intr\n"););
666 DODEBUG(Start_End, printf("ex_tx_intr%d: finish\n", unit););
672 ex_rx_intr(struct ex_softc *sc)
674 struct ifnet * ifp = &sc->arpcom.ac_if;
675 int iobase = sc->iobase;
681 struct ether_header * eh;
683 DODEBUG(Start_End, printf("ex_rx_intr%d: start\n", unit););
686 * For all packets received since last receive interrupt:
687 * - If packet ok, read it into a new mbuf and queue it to interface,
688 * updating statistics.
689 * - If packet bad, just discard it, and update statistics.
690 * Finally, advance receive stop limit in card's memory to new location.
693 outw(iobase + HOST_ADDR_REG, sc->rx_head);
695 while (inw(iobase + IO_PORT_REG) == RCV_Done) {
697 rx_status = inw(iobase + IO_PORT_REG);
698 sc->rx_head = inw(iobase + IO_PORT_REG);
699 QQQ = pkt_len = inw(iobase + IO_PORT_REG);
701 if (rx_status & RCV_OK_bit) {
702 MGETHDR(m, M_DONTWAIT, MT_DATA);
707 ipkt->m_pkthdr.rcvif = ifp;
708 ipkt->m_pkthdr.len = pkt_len;
711 while (pkt_len > 0) {
712 if (pkt_len > MINCLSIZE) {
713 MCLGET(m, M_DONTWAIT);
714 if (m->m_flags & M_EXT) {
722 m->m_len = min(m->m_len, pkt_len);
725 * NOTE: I'm assuming that all mbufs allocated are of even length,
726 * except for the last one in an odd-length packet.
729 insw(iobase + IO_PORT_REG,
730 mtod(m, caddr_t), m->m_len / 2);
733 *(mtod(m, caddr_t) + m->m_len - 1) = inb(iobase + IO_PORT_REG);
738 MGET(m->m_next, M_DONTWAIT, MT_DATA);
739 if (m->m_next == NULL) {
748 eh = mtod(ipkt, struct ether_header *);
750 if (debug_mask & Rcvd_Pkts) {
751 if ((eh->ether_dhost[5] != 0xff) || (eh->ether_dhost[0] != 0xff)) {
752 printf("Receive packet with %d data bytes: %6D -> ", QQQ, eh->ether_shost, ":");
753 printf("%6D\n", eh->ether_dhost, ":");
757 m_adj(ipkt, sizeof(struct ether_header));
758 ether_input(ifp, eh, ipkt);
764 outw(iobase + HOST_ADDR_REG, sc->rx_head);
768 if (sc->rx_head < sc->rx_lower_limit + 2)
769 outw(iobase + RCV_STOP_REG, sc->rx_upper_limit);
771 outw(iobase + RCV_STOP_REG, sc->rx_head - 2);
773 DODEBUG(Start_End, printf("ex_rx_intr%d: finish\n", unit););
780 ex_ioctl(register struct ifnet *ifp, u_long cmd, caddr_t data)
782 struct ex_softc * sc = ifp->if_softc;
783 struct ifreq * ifr = (struct ifreq *)data;
787 DODEBUG(Start_End, printf("ex_ioctl%d: start ", ifp->if_unit););
795 error = ether_ioctl(ifp, cmd, data);
799 DODEBUG(Start_End, printf("SIOCSIFFLAGS"););
800 if ((ifp->if_flags & IFF_UP) == 0 &&
801 (ifp->if_flags & IFF_RUNNING)) {
803 ifp->if_flags &= ~IFF_RUNNING;
811 DODEBUG(Start_End, printf("SIOCGHWADDR"););
812 bcopy((caddr_t)sc->sc_addr, (caddr_t)&ifr->ifr_data,
813 sizeof(sc->sc_addr));
817 DODEBUG(Start_End, printf("SIOCADDMULTI"););
819 DODEBUG(Start_End, printf("SIOCDELMULTI"););
820 /* XXX Support not done yet. */
825 error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, cmd);
828 DODEBUG(Start_End, printf("unknown"););
834 DODEBUG(Start_End, printf("\nex_ioctl%d: finish\n", ifp->if_unit););
841 ex_reset(struct ex_softc *sc)
845 DODEBUG(Start_End, printf("ex_reset%d: start\n", unit););
854 DODEBUG(Start_End, printf("ex_reset%d: finish\n", unit););
860 ex_watchdog(struct ifnet *ifp)
862 struct ex_softc * sc = ifp->if_softc;
864 DODEBUG(Start_End, printf("ex_watchdog%d: start\n", ifp->if_unit););
866 ifp->if_flags &= ~IFF_OACTIVE;
868 DODEBUG(Status, printf("OIDLE watchdog\n"););
874 DODEBUG(Start_End, printf("ex_watchdog%d: finish\n", ifp->if_unit););
880 ex_get_media (u_int32_t iobase)
884 outb(iobase + CMD_REG, Bank2_Sel);
885 tmp = inb(iobase + REG3);
886 outb(iobase + CMD_REG, Bank0_Sel);
889 return(IFM_ETHER|IFM_10_T);
891 return(IFM_ETHER|IFM_10_2);
893 return (IFM_ETHER|IFM_10_5);
905 ex_ifmedia_sts(ifp, ifmr)
907 struct ifmediareq * ifmr;
909 struct ex_softc * sc = ifp->if_softc;
911 ifmr->ifm_active = ex_get_media(sc->iobase);
917 eeprom_read(u_int32_t iobase, int location)
922 int read_cmd = location | EE_READ_CMD;
923 short ctrl_val = EECS;
925 ee_addr = iobase + EEPROM_REG;
926 outb(iobase + CMD_REG, Bank2_Sel);
928 for (i = 8; i >= 0; i--) {
929 short outval = (read_cmd & (1 << i)) ? ctrl_val | EEDI : ctrl_val;
930 outb(ee_addr, outval);
931 outb(ee_addr, outval | EESK);
933 outb(ee_addr, outval);
936 outb(ee_addr, ctrl_val);
938 for (i = 16; i > 0; i--) {
939 outb(ee_addr, ctrl_val | EESK);
941 data = (data << 1) | ((inb(ee_addr) & EEDO) ? 1 : 0);
942 outb(ee_addr, ctrl_val);
947 outb(ee_addr, ctrl_val | EESK);
949 outb(ee_addr, ctrl_val);
951 outb(iobase + CMD_REG, Bank0_Sel);