diff options
Diffstat (limited to 'sys/dev')
-rw-r--r-- | sys/dev/ic/elink3reg.h | 4 | ||||
-rw-r--r-- | sys/dev/isa/files.isapnp | 6 | ||||
-rw-r--r-- | sys/dev/isa/if_ef_isapnp.c | 998 |
3 files changed, 1006 insertions, 2 deletions
diff --git a/sys/dev/ic/elink3reg.h b/sys/dev/ic/elink3reg.h index 690f89dbe1a..1a2b1695a9e 100644 --- a/sys/dev/ic/elink3reg.h +++ b/sys/dev/ic/elink3reg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: elink3reg.h,v 1.8 1999/04/23 08:21:04 deraadt Exp $ */ +/* $OpenBSD: elink3reg.h,v 1.9 1999/08/04 03:29:27 jason Exp $ */ /* $NetBSD: elink3reg.h,v 1.13 1997/04/27 09:42:34 veego Exp $ */ /* @@ -277,6 +277,8 @@ #define S_INT_RQD (u_short) (0x0040) #define S_UPD_STATS (u_short) (0x0080) #define S_DMA_DONE (u_short) (0x0100) /* DMA cards only */ +#define S_DOWN_COMPLETE (u_short) (0x0200) /* DMA cards only */ +#define S_UP_COMPLETE (u_short) (0x0400) /* DMA cards only */ #define S_DMA_IN_PROGRESS (u_short) (0x0800) /* DMA cards only */ #define S_COMMAND_IN_PROGRESS (u_short) (0x1000) diff --git a/sys/dev/isa/files.isapnp b/sys/dev/isa/files.isapnp index 1fe56e17766..13c35eaa378 100644 --- a/sys/dev/isa/files.isapnp +++ b/sys/dev/isa/files.isapnp @@ -1,4 +1,4 @@ -# $OpenBSD: files.isapnp,v 1.20 1999/07/25 14:34:42 matthieu Exp $ +# $OpenBSD: files.isapnp,v 1.21 1999/08/04 03:29:27 jason Exp $ # $NetBSD: files.isapnp,v 1.7 1997/10/16 17:16:36 matt Exp $ # # Config file and device description for machine-independent ISAPnP code. @@ -45,6 +45,10 @@ file dev/isa/if_le_isapnp.c le_isapnp attach ep at isapnp with ep_isapnp file dev/isa/if_ep_isapnp.c ep_isapnp +device ef: isa_dma, ether, ifnet, ifmedia, mii +attach ef at isapnp with ef_isapnp +file dev/isa/if_ef_isapnp.c ef_isapnp + attach ne at isapnp with ne_isapnp: rtl80x9 file dev/isa/if_ne_isapnp.c ne_isapnp diff --git a/sys/dev/isa/if_ef_isapnp.c b/sys/dev/isa/if_ef_isapnp.c new file mode 100644 index 00000000000..8ac3f6109ca --- /dev/null +++ b/sys/dev/isa/if_ef_isapnp.c @@ -0,0 +1,998 @@ +/* $OpenBSD: if_ef_isapnp.c,v 1.1 1999/08/04 03:29:27 jason Exp $ */ + +/* + * Copyright (c) 1999 Jason L. Wright (jason@thought.net) + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Jason L. Wright + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "bpfilter.h" + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/mbuf.h> +#include <sys/socket.h> +#include <sys/ioctl.h> +#include <sys/errno.h> +#include <sys/syslog.h> +#include <sys/select.h> +#include <sys/device.h> +#include <sys/queue.h> + +#include <net/if.h> +#include <net/if_dl.h> +#include <net/if_types.h> +#include <net/netisr.h> +#include <net/if_media.h> + +#ifdef INET +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/in_var.h> +#include <netinet/ip.h> +#include <netinet/if_ether.h> +#endif + +#if NBPFILTER > 0 +#include <net/bpf.h> +#include <net/bpfdesc.h> +#endif + +#include <machine/cpu.h> +#include <machine/bus.h> +#include <machine/intr.h> + +#include <dev/isa/isavar.h> +#include <dev/isa/isadmavar.h> +#include <dev/ic/elink3reg.h> + +struct ef_softc { + struct device sc_dv; + bus_space_tag_t sc_iot; + bus_space_handle_t sc_ioh; + struct arpcom sc_arpcom; + void * sc_ih; + int sc_tx_start_thresh; + int sc_tx_succ_ok; + int sc_tx_busmaster; + int sc_rx_busmaster; + int sc_busmaster; + int sc_full_duplex; +}; + +struct ef_media_types { + char *efm_name; + u_int16_t efm_media_bits; /* bits to set in Wn4_Media reg */ + u_int8_t efm_mask; /* xcvr present bit in W3 config */ + u_int8_t efm_next; /* next media type */ + int efm_media; +} ef_media_types[] = { + { "10BaseT", 0x00c0, 0x08, 3, IFM_ETHER|IFM_10_T }, + { "10Base5", 0x0008, 0x20, 8, IFM_ETHER|IFM_10_5 }, + { "undefined", 0x0000, 0x80, 0, IFM_ETHER|IFM_NONE }, + { "10Base2", 0x0000, 0x10, 1, IFM_ETHER|IFM_10_2 }, + { "100BaseTX", 0x0080, 0x02, 5, IFM_ETHER|IFM_100_TX }, + { "100BaseFX", 0x0080, 0x04, 6, IFM_ETHER|IFM_100_FX }, + { "MII", 0x0000, 0x40, 0, IFM_ETHER|IFM_AUTO }, + { "100BaseT4", 0x0000, 0x01, 0, IFM_ETHER|IFM_100_T4 }, + { "Default", 0x0000, 0xff, 0, IFM_ETHER|IFM_AUTO }, +}; + +#define ETHER_MIN_LEN 64 +#define ETHER_MAX_LEN 1518 +#define ETHER_ADDR_LEN 6 + +#define EF_W0_EEPROM_COMMAND 0x200a +#define EF_EEPROM_BUSY (1 << 9) +#define EF_EEPROM_READ (1 << 7) +#define EF_W0_EEPROM_DATA 0x200c + +#define EF_W1_TX_PIO_WR_1 0x10 +#define EF_W1_RX_PIO_RR_1 0x10 +#define EF_W1_RX_ERRORS 0x14 +#define EF_W1_RX_STATUS 0x18 +#define EF_W1_TX_STATUS 0x1b +#define EF_W1_FREE_TX 0x1c + +#define EF_W4_MEDIA 0x0a +#define EF_MEDIA_SQE 0x0008 /* sqe error for aui */ +#define EF_MEDIA_TP 0x00c0 /* link/jabber, 10baseT */ +#define EF_MEDIA_LNK 0x0080 /* linkbeat, 100baseTX/FX */ +#define EF_MEDIA_LNKBEAT 0x0800 + +/* Window 4: EP_W4_CTRLR_STATUS: mii manipulation */ +#define EF_MII_CLK 0x01 /* clock bit */ +#define EF_MII_DATA 0x02 /* data bit */ +#define EF_MII_DIR 0x04 /* direction */ + +int ef_isapnp_match __P((struct device *, void *, void *)); +void ef_isapnp_attach __P((struct device *, struct device *, void *)); + +void efstart __P((struct ifnet *)); +int efioctl __P((struct ifnet *, u_long, caddr_t)); +void efwatchdog __P((struct ifnet *)); +void efreset __P((struct ef_softc *)); +void efshutdown __P((void *)); +void efstop __P((struct ef_softc *)); +void efsetmulti __P((struct ef_softc *)); +int efbusyeeprom __P((struct ef_softc *)); +int efintr __P((void *)); +void efinit __P((struct ef_softc *)); +void efcompletecmd __P((struct ef_softc *, u_int, u_int)); +void eftxstat __P((struct ef_softc *)); +void efread __P((struct ef_softc *)); +struct mbuf *efget __P((struct ef_softc *, int totlen)); + +int ef_mii_write __P((struct ef_softc *, int, int, int)); +int ef_mii_read __P((struct ef_softc *, int, int)); +void ef_mii_writeb __P((struct ef_softc *, int)); + +struct cfdriver ef_cd = { + NULL, "ef", DV_IFNET +}; + +struct cfattach ef_isapnp_ca = { + sizeof(struct ef_softc), ef_isapnp_match, ef_isapnp_attach +}; + +int +ef_isapnp_match(parent, match, aux) + struct device *parent; + void *match, *aux; +{ + return (1); +} + +void +ef_isapnp_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct ef_softc *sc = (void *)self; + struct isa_attach_args *ia = aux; + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + bus_space_tag_t iot; + bus_space_handle_t ioh; + int i, prt; + u_int16_t x; + u_int32_t cfg; + + sc->sc_iot = iot = ia->ia_iot; + sc->sc_ioh = ioh = ia->ipa_io[0].h; + + efcompletecmd(sc, EP_COMMAND, GLOBAL_RESET); + DELAY(1500); + + printf(":"); + + for (i = 0; i < 3; i++) { + if (efbusyeeprom(sc)) + return; + + bus_space_write_2(iot, ioh, EF_W0_EEPROM_COMMAND, + EF_EEPROM_READ | i); + + if (efbusyeeprom(sc)) + return; + + x = bus_space_read_2(iot, ioh, EF_W0_EEPROM_DATA); + + sc->sc_arpcom.ac_enaddr[(i << 1)] = x >> 8; + sc->sc_arpcom.ac_enaddr[(i << 1) + 1] = x; + } + + if (efbusyeeprom(sc)) + return; + bus_space_write_2(iot, ioh, EF_W0_EEPROM_COMMAND, EF_EEPROM_READ | 16); + if (efbusyeeprom(sc)) + return; + x = bus_space_read_2(iot, ioh, EF_W0_EEPROM_DATA); + sc->sc_tx_busmaster = (x & 0x20) ? 1 : 0; + sc->sc_rx_busmaster = (x & 0x20) ? 1 : 0; + + printf(" address %s", ether_sprintf(sc->sc_arpcom.ac_enaddr)); + + GO_WINDOW(3); + cfg = bus_space_read_4(iot, ioh, EP_W3_INTERNAL_CONFIG); + x = bus_space_read_2(iot, ioh, EP_W3_RESET_OPTIONS); + printf(" media "); + prt = 0; + if (cfg & 0x01000000) { + printf("autoselect"); + prt = 1; + } + + for (i = 0; i < 8; i++) { + if (x & ef_media_types[i].efm_mask) { + printf("%s%s", prt ? "/" : "", + ef_media_types[i].efm_name); + prt = 1; + } + } + printf("\n"); + + /* + * XXX this assumes there is an MII transceiver + */ + cfg &= ~(0x00f00000); + cfg |= (0x06 << 20); + bus_space_write_4(iot, ioh, EP_W3_INTERNAL_CONFIG, cfg); + + sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, + IPL_NET, efintr, sc, sc->sc_dv.dv_xname); + + if (ia->ia_drq != DRQUNK) + isadma_cascade(ia->ia_drq); + + bcopy(sc->sc_dv.dv_xname, ifp->if_xname, IFNAMSIZ); + ifp->if_softc = sc; + ifp->if_start = efstart; + ifp->if_ioctl = efioctl; + ifp->if_watchdog = efwatchdog; + ifp->if_flags = + IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS | IFF_MULTICAST; + + if_attach(ifp); + ether_ifattach(ifp); + +#if NBPFILTER > 0 + bpfattach(&sc->sc_arpcom.ac_if.if_bpf, ifp, DLT_EN10MB, + sizeof(struct ether_header)); +#endif + + sc->sc_tx_start_thresh = 20; + + shutdownhook_establish(efshutdown, sc); + + efcompletecmd(sc, EP_COMMAND, RX_RESET); + efcompletecmd(sc, EP_COMMAND, TX_RESET); +} + +void +efstart(ifp) + struct ifnet *ifp; +{ + struct ef_softc *sc = ifp->if_softc; + bus_space_tag_t iot = sc->sc_iot; + bus_space_handle_t ioh = sc->sc_ioh; + struct mbuf *m, *m0; + int s, len, pad, i; + int fillcnt = 0; + u_int32_t filler = 0; + + if ((ifp->if_flags & IFF_RUNNING) == 0) + return; + +startagain: + m0 = ifp->if_snd.ifq_head; + if (m0 == NULL) + return; + + if ((m0->m_flags & M_PKTHDR) == 0) + panic("efstart: no header mbuf"); + len = m0->m_pkthdr.len; + pad = (4 - len) & 3; + + if (len + pad > ETHER_MAX_LEN) { + ifp->if_oerrors++; + IF_DEQUEUE(&ifp->if_snd, m0); + m_freem(m0); + goto startagain; + } + + if (bus_space_read_2(iot, ioh, EF_W1_FREE_TX) < len + pad + 4) { + bus_space_write_2(iot, ioh, EP_COMMAND, + SET_TX_AVAIL_THRESH | ((len + pad) >> 2)); + ifp->if_flags |= IFF_OACTIVE; + return; + } else { + bus_space_write_2(iot, ioh, EP_COMMAND, + SET_TX_AVAIL_THRESH | EP_THRESH_DISABLE); + } + + bus_space_write_2(iot, ioh, EP_COMMAND, SET_TX_START_THRESH | + ((len / 4 + sc->sc_tx_start_thresh))); + +#if NBPFILTER + if (ifp->if_bpf) + bpf_mtap(ifp->if_bpf, m0); +#endif + + IF_DEQUEUE(&ifp->if_snd, m0); + if (m0 == NULL) /* XXX not needed */ + return; + + s = splhigh(); + + bus_space_write_4(iot, ioh, EF_W1_TX_PIO_WR_1, len); + for (m = m0; m; ) { + if (fillcnt) { + while (m->m_len && fillcnt < 4) { + fillcnt++; + filler >>= 8; + filler |= m->m_data[0] << 24; + m->m_data++; + m->m_len--; + } + if (fillcnt == 4) { + bus_space_write_4(iot, ioh, + EF_W1_TX_PIO_WR_1, filler); + filler = 0; + fillcnt = 0; + } + } + + if (m->m_len & ~3) + bus_space_write_multi_4(iot, ioh, + EF_W1_TX_PIO_WR_1, (u_int32_t *)m->m_data, + m->m_len >> 2); + for (i = 0; i < (m->m_len & 3); i++) { + fillcnt++; + filler >>= 8; + filler |= m->m_data[(m->m_len & ~3) + i] << 24; + } + MFREE(m, m0); + m = m0; + } + + if (fillcnt) { + if (fillcnt == 1) + bus_space_write_4(iot, ioh, + EF_W1_TX_PIO_WR_1, filler >> 24); + else if (fillcnt == 2) + bus_space_write_4(iot, ioh, + EF_W1_TX_PIO_WR_1, filler >> 16); + else if (fillcnt == 3) + bus_space_write_4(iot, ioh, + EF_W1_TX_PIO_WR_1, filler >> 8); + else + bus_space_write_4(iot, ioh, + EF_W1_TX_PIO_WR_1, filler); + fillcnt = 0; + filler = 0; + } + + splx(s); + + ifp->if_opackets++; + + goto startagain; +} + +int +efioctl(ifp, cmd, data) + struct ifnet *ifp; + u_long cmd; + caddr_t data; +{ + struct ef_softc *sc = ifp->if_softc; + struct ifaddr *ifa = (struct ifaddr *)data; + struct ifreq *ifr = (struct ifreq *)data; + int s, error = 0; + + s = splnet(); + + if ((error = ether_ioctl(ifp, &sc->sc_arpcom, cmd, data)) > 0) { + splx(s); + return (error); + } + + switch (cmd) { + case SIOCSIFADDR: + ifp->if_flags |= IFF_UP; + switch (ifa->ifa_addr->sa_family) { +#ifdef INET + case AF_INET: + efinit(sc); + arp_ifinit(&sc->sc_arpcom, ifa); + break; +#endif + default: + efinit(sc); + break; + } +#if 0 + case SIOCSIFMEDIA: + case SIOCGIFMEDIA: + error = ifmedia_ioctl(ifp, ifr, &sc->sc_media, cmd); + break; +#endif + case SIOCSIFFLAGS: + if ((ifp->if_flags & IFF_UP) == 0 && + (ifp->if_flags & IFF_RUNNING) != 0) { + efstop(sc); + ifp->if_flags &= ~IFF_RUNNING; + } else if ((ifp->if_flags & IFF_UP) != 0 && + (ifp->if_flags & IFF_RUNNING) == 0) { + efinit(sc); + } + efsetmulti(sc); + break; + + case SIOCADDMULTI: + case SIOCDELMULTI: + error = (cmd == SIOCADDMULTI) ? + ether_addmulti(ifr, &sc->sc_arpcom) : + ether_delmulti(ifr, &sc->sc_arpcom); + if (error == ENETRESET) { + efreset(sc); + error = 0; + } + efsetmulti(sc); + break; + default: + error = EINVAL; + break; + } + + splx(s); + return (error); +} + +void +efinit(sc) + struct ef_softc *sc; +{ + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + bus_space_tag_t iot = sc->sc_iot; + bus_space_tag_t ioh = sc->sc_ioh; + int i; + + efstop(sc); + + while (bus_space_read_2(iot, ioh, EP_STATUS) & S_COMMAND_IN_PROGRESS) + ; + + GO_WINDOW(2); + for (i = 0; i < 6; i++) + bus_space_write_1(iot, ioh, EP_W2_ADDR_0 + i, + sc->sc_arpcom.ac_enaddr[i]); + for (i = 0; i < 3; i += 2) + bus_space_write_2(iot, ioh, EP_W2_RECVMASK_0 + (i * 2), 0); + + efcompletecmd(sc, EP_COMMAND, RX_RESET); + efcompletecmd(sc, EP_COMMAND, TX_RESET); + + bus_space_write_2(iot, ioh, EP_COMMAND, + SET_TX_AVAIL_THRESH | (1536 >> 2)); + + efsetmulti(sc); + + bus_space_write_2(iot, ioh, EP_COMMAND, STATUS_ENABLE | 0); + + GO_WINDOW(6); + for (i = 0; i < 10; i++) + (void)bus_space_read_1(iot, ioh, i); + (void)bus_space_read_2(iot, ioh, 10); + (void)bus_space_read_2(iot, ioh, 12); + GO_WINDOW(4); + (void)bus_space_read_1(iot, ioh, 12); + bus_space_write_2(iot, ioh, EP_W4_NET_DIAG, 0x0040); + + GO_WINDOW(7); + + efsetmulti(sc); + + bus_space_write_2(iot, ioh, EP_COMMAND, RX_ENABLE); + bus_space_write_2(iot, ioh, EP_COMMAND, TX_ENABLE); + + bus_space_write_2(iot, ioh, EP_COMMAND, STATUS_ENABLE | + S_CARD_FAILURE | S_INT_RQD | S_UPD_STATS | S_TX_COMPLETE | + (sc->sc_tx_busmaster ? S_DOWN_COMPLETE : S_TX_AVAIL) | + (sc->sc_rx_busmaster ? S_UP_COMPLETE : S_RX_COMPLETE) | + (sc->sc_busmaster ? S_DMA_DONE : 0)); + bus_space_write_2(iot, ioh, EP_COMMAND, ACK_INTR | + S_INTR_LATCH | S_TX_AVAIL | S_RX_EARLY | S_INT_RQD); + bus_space_write_2(iot, ioh, EP_COMMAND, SET_INTR_MASK | + S_INTR_LATCH | S_TX_AVAIL | S_RX_COMPLETE | S_UPD_STATS | + (sc->sc_busmaster ? S_DMA_DONE : 0) | S_UP_COMPLETE | + S_DOWN_COMPLETE | S_CARD_FAILURE | S_TX_COMPLETE); + + ifp->if_flags |= IFF_RUNNING; + ifp->if_flags &= ~IFF_OACTIVE; + + efstart(ifp); +} + +void +efreset(sc) + struct ef_softc *sc; +{ + int s; + + s = splnet(); + efstop(sc); + efinit(sc); + splx(s); +} + +void +efstop(sc) + struct ef_softc *sc; +{ + bus_space_tag_t iot = sc->sc_iot; + bus_space_handle_t ioh = sc->sc_ioh; + + bus_space_write_2(iot, ioh, EP_COMMAND, RX_DISABLE); + bus_space_write_2(iot, ioh, EP_COMMAND, RX_DISCARD_TOP_PACK); + while (bus_space_read_2(iot, ioh, EP_STATUS) & S_COMMAND_IN_PROGRESS) + ; + + bus_space_write_2(iot, ioh, EP_COMMAND, TX_DISABLE); + bus_space_write_2(iot, ioh, EP_COMMAND, STOP_TRANSCEIVER); + + efcompletecmd(sc, EP_COMMAND, RX_RESET); + efcompletecmd(sc, EP_COMMAND, TX_RESET); + + bus_space_write_2(iot, ioh, EP_COMMAND, C_INTR_LATCH); + bus_space_write_2(iot, ioh, EP_COMMAND, SET_RD_0_MASK); + bus_space_write_2(iot, ioh, EP_COMMAND, SET_INTR_MASK); + bus_space_write_2(iot, ioh, EP_COMMAND, SET_RX_FILTER); +} + +void +efshutdown(vsc) + void *vsc; +{ + struct ef_softc *sc = vsc; + + efstop(sc); + efcompletecmd(sc, EP_COMMAND, GLOBAL_RESET); +} + +void +efcompletecmd(sc, cmd, arg) + struct ef_softc *sc; + u_int cmd, arg; +{ + bus_space_tag_t iot = sc->sc_iot; + bus_space_handle_t ioh = sc->sc_ioh; + + bus_space_write_2(iot, ioh, cmd, arg); + while (bus_space_read_2(iot, ioh, EP_STATUS) & S_COMMAND_IN_PROGRESS) + ; +} + +int +efintr(vsc) + void *vsc; +{ + struct ef_softc *sc = vsc; + bus_space_tag_t iot = sc->sc_iot; + bus_space_handle_t ioh = sc->sc_ioh; + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + u_int16_t status; + int r = 0; + + status = bus_space_read_2(iot, ioh, EP_STATUS); + + do { + if (status & S_RX_COMPLETE) { + r = 1; + bus_space_write_2(iot, ioh, EP_STATUS, C_RX_COMPLETE); + efread(sc); + } + if (status & S_TX_AVAIL) { + bus_space_write_2(iot, ioh, EP_STATUS, C_TX_AVAIL); + r = 1; + sc->sc_arpcom.ac_if.if_flags &= ~IFF_OACTIVE; + efstart(&sc->sc_arpcom.ac_if); + } + if (status & S_CARD_FAILURE) { + r = 1; + efreset(sc); + printf("%s: adapter failure (%x)\n", + sc->sc_dv.dv_xname, status); + bus_space_write_2(iot, ioh, EP_COMMAND, + C_CARD_FAILURE); + return (1); + } + if (status & S_TX_COMPLETE) { + r = 1; + eftxstat(sc); + efstart(ifp); + } + bus_space_write_2(iot, ioh, EP_COMMAND, + C_INTR_LATCH | C_INT_RQD); + } while ((status = bus_space_read_2(iot, ioh, EP_STATUS)) & + (S_INT_RQD | S_RX_COMPLETE)); + + return (r); +} + +void +eftxstat(sc) + struct ef_softc *sc; +{ + bus_space_tag_t iot = sc->sc_iot; + bus_space_handle_t ioh = sc->sc_ioh; + int i; + + while ((i = bus_space_read_1(iot, ioh, EF_W1_TX_STATUS)) & + TXS_COMPLETE) { + bus_space_write_1(iot, ioh, EF_W1_TX_STATUS, 0); + + if (i & TXS_JABBER) { + sc->sc_arpcom.ac_if.if_oerrors++; + if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) + printf("%s: jabber (%x)\n", + sc->sc_dv.dv_xname, i); + efreset(sc); + } + else if (i & TXS_UNDERRUN) { + sc->sc_arpcom.ac_if.if_oerrors++; + if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) + printf("%s: fifo underrun (%x) @%d\n", + sc->sc_dv.dv_xname, i, + sc->sc_tx_start_thresh); + if (sc->sc_tx_succ_ok < 100) + sc->sc_tx_start_thresh = min(ETHER_MAX_LEN, + sc->sc_tx_start_thresh + 20); + sc->sc_tx_succ_ok = 0; + efreset(sc); + } + else if (i & TXS_MAX_COLLISION) { + sc->sc_arpcom.ac_if.if_collisions++; + bus_space_write_2(iot, ioh, EP_COMMAND, TX_ENABLE); + sc->sc_arpcom.ac_if.if_flags &= ~IFF_OACTIVE; + } + else + sc->sc_tx_succ_ok = (sc->sc_tx_succ_ok + 1) & 127; + } +} + +int +efbusyeeprom(sc) + struct ef_softc *sc; +{ + int i = 100, j; + + while (i--) { + j = bus_space_read_2(sc->sc_iot, sc->sc_ioh, + EF_W0_EEPROM_COMMAND); + if (j & EF_EEPROM_BUSY) + delay(100); + else + break; + } + if (i == 0) { + printf("%s: eeprom failed to come ready\n", + sc->sc_dv.dv_xname); + return (1); + } + + return (0); +} + +void +efwatchdog(ifp) + struct ifnet *ifp; +{ + struct ef_softc *sc = ifp->if_softc; + + printf("%s: device timeout\n", sc->sc_dv.dv_xname); + sc->sc_arpcom.ac_if.if_oerrors++; + efreset(sc); +} + +void +efsetmulti(sc) + struct ef_softc *sc; +{ + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + struct arpcom *ac = &sc->sc_arpcom; + bus_space_tag_t iot = sc->sc_iot; + bus_space_handle_t ioh = sc->sc_ioh; + struct ether_multi *enm; + struct ether_multistep step; + u_int16_t cmd = SET_RX_FILTER | FIL_INDIVIDUAL | FIL_BRDCST; + int mcnt = 0; + + ETHER_FIRST_MULTI(step, ac, enm); + while (enm != NULL) { + mcnt++; + ETHER_NEXT_MULTI(step, enm); + } + if (mcnt || ifp->if_flags & IFF_ALLMULTI) + cmd |= FIL_MULTICAST; + + if (ifp->if_flags & IFF_PROMISC) + cmd |= FIL_PROMISC; + + bus_space_write_2(iot, ioh, EP_COMMAND, cmd); +} + +void +efread(sc) + struct ef_softc *sc; +{ + bus_space_tag_t iot = sc->sc_iot; + bus_space_handle_t ioh = sc->sc_ioh; + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + struct mbuf *m; + struct ether_header *eh; + int len; + + len = bus_space_read_2(iot, ioh, EF_W1_RX_STATUS); + + if (ifp->if_flags & IFF_DEBUG) { + int err = len & ERR_MASK; + char *s = NULL; + + if (len & ERR_INCOMPLETE) + s = "incomplete packet"; + else if (err == ERR_OVERRUN) + s = "packet overrun"; + else if (err == ERR_RUNT) + s = "runt packet"; + else if (err == ERR_ALIGNMENT) + s = "bad alignment"; + else if (err == ERR_CRC) + s = "bad crc"; + else if (err == ERR_OVERSIZE) + s = "oversized packet"; + else if (err == ERR_DRIBBLE) + s = "dribble bits"; + + if (s) + printf("%s: %s\n", sc->sc_dv.dv_xname, s); + } + + if (len & ERR_INCOMPLETE) + return; + + if (len & ERR_RX) { + ifp->if_ierrors++; + efcompletecmd(sc, EP_COMMAND, RX_DISCARD_TOP_PACK); + return; + } + + len &= RX_BYTES_MASK; + m = efget(sc, len); + if (m == NULL) { + ifp->if_ierrors++; + efcompletecmd(sc, EP_COMMAND, RX_DISCARD_TOP_PACK); + return; + } + + ifp->if_ipackets++; + + eh = mtod(m, struct ether_header *); + +#if NBPFILTER > 0 + if (ifp->if_bpf) + bpf_mtap(ifp->if_bpf, m); +#endif + + m_adj(m, sizeof(struct ether_header)); + ether_input(ifp, eh, m); +} + +struct mbuf * +efget(sc, totlen) + struct ef_softc *sc; + int totlen; +{ + bus_space_tag_t iot = sc->sc_iot; + bus_space_handle_t ioh = sc->sc_ioh; + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + struct mbuf *top, **mp, *m; + int len, pad, s; + + MGETHDR(m, M_DONTWAIT, MT_DATA); + if (m == NULL) + return (NULL); + m->m_pkthdr.rcvif = ifp; + m->m_pkthdr.len = totlen; + pad = ALIGN(sizeof(struct ether_header)) - sizeof(struct ether_header); + m->m_data += pad; + len = MHLEN -pad; + top = 0; + mp = ⊤ + + s = splhigh(); + + while (totlen > 0) { + if (top) { + MGET(m, M_DONTWAIT, MT_DATA); + if (m == NULL) { + m_freem(top); + splx(s); + return (NULL); + } + len = MLEN; + } + if (top && totlen >= MINCLSIZE) { + MCLGET(m, M_DONTWAIT); + if (m->m_flags & M_EXT) + len = MCLBYTES; + } + len = min(totlen, len); + if (len > 1) { + len &= ~1; + bus_space_read_raw_multi_2(iot, ioh, + EF_W1_RX_PIO_RR_1, mtod(m, u_int8_t *), + len); + } else + *(mtod(m, u_int8_t *)) = + bus_space_read_1(iot, ioh, EF_W1_RX_PIO_RR_1); + + m->m_len = len; + totlen -= len; + *mp = m; + mp = &m->m_next; + } + + efcompletecmd(sc, EP_COMMAND, RX_DISCARD_TOP_PACK); + + splx(s); + + return (top); +} + +#define MII_SET(sc, x) \ + bus_space_write_2((sc)->sc_iot, (sc)->sc_ioh, EP_W4_CTRLR_STATUS, \ + bus_space_read_2((sc)->sc_iot, (sc)->sc_ioh, EP_W4_CTRLR_STATUS) \ + | (x)) + +#define MII_CLR(sc, x) \ + bus_space_write_2((sc)->sc_iot, (sc)->sc_ioh, EP_W4_CTRLR_STATUS, \ + bus_space_read_2((sc)->sc_iot, (sc)->sc_ioh, EP_W4_CTRLR_STATUS) \ + & (~(x))) + +void +ef_mii_writeb(sc, b) + struct ef_softc *sc; + int b; +{ + MII_CLR(sc, EF_MII_CLK); + + if (b) + MII_SET(sc, EF_MII_DATA); + else + MII_CLR(sc, EF_MII_DATA); + + MII_CLR(sc, EF_MII_CLK); + DELAY(1); + MII_SET(sc, EF_MII_CLK); + DELAY(1); +} + +int +ef_mii_read(sc, phy, reg) + struct ef_softc *sc; + int phy, reg; +{ + int i, ack, s, val = 0; + + s = splimp(); + + GO_WINDOW(4); + bus_space_write_2(sc->sc_iot, sc->sc_ioh, EP_W4_CTRLR_STATUS, 0); + + /* Turn on xmit */ + MII_SET(sc, EF_MII_DIR); + MII_CLR(sc, EF_MII_CLK); + + /* Transmit idle sequence */ + for (i = 0; i < 32; i++) + ef_mii_writeb(sc, 1); + + /* Transmit start sequence */ + ef_mii_writeb(sc, 0); + ef_mii_writeb(sc, 1); + + /* Transmit read sequence */ + ef_mii_writeb(sc, 1); + ef_mii_writeb(sc, 0); + + /* Transmit phy addr */ + for (i = 0x10; i; i >>= 1) + ef_mii_writeb(sc, (phy & i) ? 1 : 0); + + /* Transmit reg addr */ + for (i = 0x10; i; i >>= 1) + ef_mii_writeb(sc, (reg & i) ? 1 : 0); + + /* First cycle of turnaround */ + MII_CLR(sc, EF_MII_CLK | EF_MII_DATA); + DELAY(1); + MII_SET(sc, EF_MII_CLK); + DELAY(1); + + /* Turn off xmit */ + MII_CLR(sc, EF_MII_DIR); + + /* Second cycle of turnaround */ + MII_CLR(sc, EF_MII_CLK); + DELAY(1); + MII_SET(sc, EF_MII_CLK); + DELAY(1); + ack = bus_space_read_2(sc->sc_iot, sc->sc_ioh, EP_W4_CTRLR_STATUS) & + EF_MII_DATA; + + /* Read 16bit data */ + for (i = 0x8000; i; i >>= 1) { + MII_CLR(sc, EF_MII_CLK); + DELAY(1); + if (bus_space_read_2(sc->sc_iot, sc->sc_ioh, + EP_W4_CTRLR_STATUS) & EF_MII_DATA) + val |= i; + MII_SET(sc, EF_MII_CLK); + DELAY(1); + } + + MII_CLR(sc, EF_MII_CLK); + DELAY(1); + MII_SET(sc, EF_MII_CLK); + DELAY(1); + + splx(s); + + return (val); +} + +int +ef_mii_write(sc, phy, reg, val) + struct ef_softc *sc; + int phy, reg, val; +{ + int s, i; + + s = splimp(); + + GO_WINDOW(4); + bus_space_write_2(sc->sc_iot, sc->sc_ioh, EP_W4_CTRLR_STATUS, 0); + + /* Turn on xmit */ + MII_SET(sc, EF_MII_DIR); + + for (i = 0; i < 32; i++) + ef_mii_writeb(sc, 1); + + ef_mii_writeb(sc, 0); + ef_mii_writeb(sc, 1); + ef_mii_writeb(sc, 0); + ef_mii_writeb(sc, 1); + + for (i = 0x10; i; i >>= 1) + ef_mii_writeb(sc, (phy & i) ? 1 : 0); + + for (i = 0x10; i; i >>= 1) + ef_mii_writeb(sc, (reg & i) ? 1 : 0); + + ef_mii_writeb(sc, 1); + ef_mii_writeb(sc, 0); + + for (i = 0x8000; i; i >>= 1) + ef_mii_writeb(sc, (val & i) ? 1 : 0); + + splx(s); + + return (0); +} |