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Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/drm/radeon/@/dev/ie/if_ie_isa.c |
/*- * Copyright (c) 2003 Matthew N. Dodd * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. * * Portions: * Copyright (c) 1992, 1993, University of Vermont and State * Agricultural College. * Copyright (c) 1992, 1993, Garrett A. Wollman. * Copyright (c) 1990, 1991, William F. Jolitz * Copyright (c) 1990, The Regents of the University of California * Copyright (c) 1993, 1994, Charles M. Hannum * Copyright (c) 1993, 1994, 1995, Rodney W. Grimes * Copyright (c) 1997, Aaron C. Smith * * See if_ie.c for applicable license. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/ie/if_ie_isa.c 181134 2008-08-01 21:33:07Z jhb $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/socket.h> #include <sys/module.h> #include <sys/bus.h> #include <machine/bus.h> #include <machine/resource.h> #include <sys/rman.h> #include <machine/md_var.h> #include <net/if.h> #include <net/if_arp.h> #include <net/if_media.h> #include <isa/isavar.h> #include <isa/pnpvar.h> #include <i386/isa/elink.h> #include <dev/ic/i82586.h> #include <dev/ie/if_ie507.h> #include <dev/ie/if_iee16.h> #include <dev/ie/if_iereg.h> #include <dev/ie/if_ievar.h> static int ie_modevent (module_t, int, void *); static void ie_isa_3C507_identify (driver_t *, device_t); static int ie_isa_3C507_probe (device_t); static int ie_isa_3C507_attach (device_t); static int ie_3C507_port_check (u_int32_t); static void ie_isa_ee16_identify (driver_t *, device_t); static int ie_isa_ee16_probe (device_t); static int ie_isa_ee16_attach (device_t); static int ie_isa_ee16_shutdown (device_t); static int ie_ee16_port_check (u_int32_t port); static u_int16_t ie_ee16_hw_read_eeprom (u_int32_t port, int loc); static int ie_isa_sl_probe (device_t); static int ie_isa_sl_attach (device_t); static enum ie_hardware ie_isa_sl_get_hard_type (u_int32_t); /* * 3Com 3C507 Etherlink 16 */ #define IE_3C507_IOBASE_LOW 0x200 #define IE_3C507_IOBASE_HIGH 0x3e0 #define IE_3C507_IOSIZE 16 #define IE_3C507_IRQ_MASK 0x0f #define IE_3C507_MADDR_HIGH 0x20 #define IE_3C507_MADDR_MASK 0x1c #define IE_3C507_MADDR_BASE 0xc0000 #define IE_3C507_MADDR_SHIFT 12 #define IE_3C507_MSIZE_MASK 3 #define IE_3C507_MSIZE_SHIFT 14 static void ie_isa_3C507_identify (driver_t *driver, device_t parent) { char * desc = "3Com 3C507 Etherlink 16"; device_t child; u_int32_t port, maddr, msize; u_int8_t irq, data; int error; /* Reset and put card in CONFIG state without changing address. */ elink_reset(); elink_idseq(ELINK_507_POLY); elink_idseq(ELINK_507_POLY); outb(ELINK_ID_PORT, 0xff); for (port = IE_3C507_IOBASE_LOW; port <= IE_3C507_IOBASE_HIGH; port += IE_3C507_IOSIZE) { if (ie_3C507_port_check(port)) { #ifdef DEBUG if (bootverbose) { device_printf(parent, "(if_ie) (3C507) not found at port %#x\n", port); } #endif continue; } outb(port + IE507_CTRL, EL_CTRL_NRST); data = inb(port + IE507_IRQ); irq = data & IE_3C507_IRQ_MASK; data = inb(port + IE507_MADDR); if (data & IE_3C507_MADDR_HIGH) { if (bootverbose) { device_printf(parent, "(if_ie) can't map 3C507 RAM in high memory\n"); } continue; } maddr = IE_3C507_MADDR_BASE + ((data & IE_3C507_MADDR_MASK) << IE_3C507_MADDR_SHIFT); msize = ((data & IE_3C507_MSIZE_MASK) + 1) << IE_3C507_MSIZE_SHIFT; child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ie", -1); device_set_desc_copy(child, desc); device_set_driver(child, driver); error = bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1); if (error) { device_printf(parent, "(if_ie) Unable to set IRQ resource %d.\n", irq); error = device_delete_child(parent, child); continue; } error = bus_set_resource(child, SYS_RES_IOPORT, 0, port, IE_3C507_IOSIZE); if (error) { device_printf(parent, "(if_ie) Unable to set IOPORT resource %#x-%#x.\n", port, port+IE_3C507_IOSIZE); error = device_delete_child(parent, child); continue; } error = bus_set_resource(child, SYS_RES_MEMORY, 0, maddr, msize); if (error) { device_printf(parent, "(if_ie) Unable to set MEMORY resource %#x-%#x.\n", maddr, maddr+msize); error = device_delete_child(parent, child); continue; } if (bootverbose) { device_printf(parent, "(if_ie) <%s> at port %#x-%#x irq %d iomem %#lx-%#lx (%dKB)\n", desc, port, (port + IE_3C507_IOSIZE) - 1, irq, (u_long)maddr, (u_long)(maddr + msize) - 1, (msize / 1024)); } } /* go to RUN state */ outb(ELINK_ID_PORT, 0x00); elink_idseq(ELINK_507_POLY); outb(ELINK_ID_PORT, 0x00); return; } static int ie_isa_3C507_probe (device_t dev) { u_int32_t iobase; /* No ISA-PnP support */ if (isa_get_vendorid(dev)) { return (ENXIO); } /* No ISA-HINT support */ if (!device_get_desc(dev)) { return (EBUSY); } /* Have we at least an ioport? */ if ((iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0)) == 0) { return (ENXIO); } /* Is this thing really a 3c507? */ if (ie_3C507_port_check(iobase)) { return (ENXIO); } return (0); } static int ie_isa_3C507_attach (device_t dev) { struct ie_softc * sc; int error; sc = device_get_softc(dev); sc->io_rid = 0; sc->irq_rid = 0; sc->mem_rid = 0; error = ie_alloc_resources(dev); if (error) { goto bad; } sc->bus_use = 0; sc->ie_reset_586 = el_reset_586; sc->ie_chan_attn = el_chan_attn; sc->hard_type = IE_3C507; sc->hard_vers = 0; outb(PORT(sc) + IE507_CTRL, EL_CTRL_NORMAL); if (!check_ie_present(sc)) { error = ENXIO; goto bad; } sl_read_ether(sc, sc->enaddr); /* Clear the interrupt latch just in case. */ outb(PORT(sc) + IE507_ICTRL, 1); error = ie_attach(dev); if (error) { device_printf(dev, "ie_attach() failed.\n"); goto bad; } return (0); bad: ie_release_resources(dev); return (error); } /* * If a 3c507 is present, return 0 * else, return 1. */ static int ie_3C507_port_check (u_int32_t port) { u_char * signature = "*3COM*"; int i; for (i = 0; i < 6; i++) if (inb(port + i) != signature[i]) return (ENXIO); return (0); } /* * Intel EtherExpress 16 */ #define IE_EE16_ID_PORT 0x0f #define IE_EE16_ID 0xbaba #define IE_EE16_EEPROM_CONFIG1 0x00 #define IE_EE16_EEPROM_IRQ_MASK 0xe000 #define IE_EE16_EEPROM_IRQ_SHIFT 13 #define IE_EE16_EEPROM_MEMCFG 0x06 #define IE_EE16_IOSIZE 16 /* * TODO: * Test for 8/16 bit mode. * Test for invalid mem sizes. */ static void ie_isa_ee16_identify (driver_t *driver, device_t parent) { char * desc = "Intel EtherExpress 16"; device_t child; u_int16_t ports[] = { 0x300, 0x310, 0x320, 0x330, 0x340, 0x350, 0x360, 0x370, 0x200, 0x210, 0x220, 0x230, 0x240, 0x250, 0x260, 0x270, 0 }; u_int16_t irqs[] = { 0, 0x09, 0x03, 0x04, 0x05, 0x0a, 0x0b, 0 }; u_int32_t port, maddr, msize; u_int8_t irq; u_int16_t data; int i, error; for (i = 0; ports[i]; i++) { port = ports[i]; if (ie_ee16_port_check(port)) { #ifdef DEBUG if (bootverbose) { device_printf(parent, "if_ie: (EE16) not found at port %#x\n", port); } #endif continue; } /* reset any ee16 at the current iobase */ outb(port + IEE16_ECTRL, IEE16_RESET_ASIC); outb(port + IEE16_ECTRL, 0); DELAY(240); data = ie_ee16_hw_read_eeprom(port, IE_EE16_EEPROM_CONFIG1); irq = irqs[((data & IE_EE16_EEPROM_IRQ_MASK) >> IE_EE16_EEPROM_IRQ_SHIFT)]; data = ie_ee16_hw_read_eeprom(port, IE_EE16_EEPROM_MEMCFG); maddr = 0xc0000 + ((ffs(data & 0x00ff) - 1) * 0x4000); msize = (fls((data & 0x00ff) >> (ffs(data & 0x00ff) - 1))) * 0x4000; child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ie", -1); device_set_desc_copy(child, desc); device_set_driver(child, driver); error = bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1); if (error) { device_printf(parent, "(if_ie) Unable to set IRQ resource %d.\n", irq); error = device_delete_child(parent, child); continue; } error = bus_set_resource(child, SYS_RES_IOPORT, 0, port, IE_EE16_IOSIZE); if (error) { device_printf(parent, "(if_ie) Unable to set IOPORT resource %#x-%#x.\n", port, port+IE_EE16_IOSIZE); error = device_delete_child(parent, child); continue; } error = bus_set_resource(child, SYS_RES_MEMORY, 0, maddr, msize); if (error) { device_printf(parent, "(if_ie) Unable to set MEMORY resource %#x-%#x.\n", maddr, maddr+msize); error = device_delete_child(parent, child); continue; } if (bootverbose) { device_printf(parent, "if_ie: <%s> at port %#x-%#x irq %d iomem %#lx-%#lx (%dKB)\n", desc, port, (port + IE_EE16_IOSIZE) - 1, irq, (u_long)maddr, (u_long)(maddr + msize) - 1, (msize / 1024)); } } return; } static int ie_isa_ee16_probe (device_t dev) { u_int32_t iobase; /* No ISA-PnP support */ if (isa_get_vendorid(dev)) return (ENXIO); /* No ISA-HINT support */ if (!device_get_desc(dev)) return (EBUSY); /* Have we at least an ioport? */ if ((iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0)) == 0) return (ENXIO); /* Is this really an EE16? */ if (ie_ee16_port_check(iobase)) return (ENXIO); return (0); } static int ie_isa_ee16_attach (device_t dev) { struct ie_softc * sc; int i, error; u_int16_t checksum; u_short eaddrtemp, pg, adjust, decode, edecode; u_char bart_config; sc = device_get_softc(dev); sc->io_rid = 0; sc->irq_rid = 0; sc->mem_rid = 0; error = ie_alloc_resources(dev); if (error) { goto bad; } sc->bus_use = 0; sc->ie_reset_586 = ee16_reset_586; sc->ie_chan_attn = ee16_chan_attn; sc->hard_type = IE_EE16; sc->hard_vers = 0; sc->iomem = 0; /* reset any ee16 at the current iobase */ outb(PORT(sc) + IEE16_ECTRL, IEE16_RESET_ASIC); outb(PORT(sc) + IEE16_ECTRL, 0); DELAY(240); /* Is this really an EE16? */ if (ie_ee16_port_check(PORT(sc))) { device_printf(dev, "ie_ee16_port_check() failed\n"); error = ENXIO; goto bad; } /* need to put the 586 in RESET while we access the eeprom. */ outb(PORT(sc) + IEE16_ECTRL, IEE16_RESET_586); /* read the eeprom and checksum it, should == IE_E16_ID */ checksum = 0; for (i = 0; i < 0x40; i++) checksum += ie_ee16_hw_read_eeprom(PORT(sc), i); if (checksum != IE_EE16_ID) { device_printf(dev, "invalid eeprom checksum: %x\n", checksum); error = ENXIO; goto bad; } if ((kvtop(sc->iomembot) < 0xC0000) || (kvtop(sc->iomembot) + sc->iosize > 0xF0000)) { device_printf(sc->dev, "mapped memory location %p out of range\n", (void *)sc->iomembot); error = ENXIO; goto bad; } pg = ((kvtop(sc->iomembot)) & 0x3C000) >> 14; adjust = IEE16_MCTRL_FMCS16 | (pg & 0x3) << 2; decode = ((1 << (sc->iosize / 16384)) - 1) << pg; edecode = ((~decode >> 4) & 0xF0) | (decode >> 8); /* ZZZ This should be checked against eeprom location 6, low byte */ outb(PORT(sc) + IEE16_MEMDEC, decode & 0xFF); /* ZZZ This should be checked against eeprom location 1, low byte */ outb(PORT(sc) + IEE16_MCTRL, adjust); /* ZZZ Now if I could find this one I would have it made */ outb(PORT(sc) + IEE16_MPCTRL, (~decode & 0xFF)); /* ZZZ I think this is location 6, high byte */ outb(PORT(sc) + IEE16_MECTRL, edecode); /* XXX disable Exxx */ #if 0 (void) kvtop(sc->iomembot); #endif /* * first prime the stupid bart DRAM controller so that it works, * then zero out all of memory. */ bzero(sc->iomembot, 32); bzero(sc->iomembot, sc->iosize); /* Get the encoded interrupt number from the EEPROM */ sc->irq_encoded = ie_ee16_hw_read_eeprom(PORT(sc), IE_EE16_EEPROM_CONFIG1); sc->irq_encoded = (sc->irq_encoded & IE_EE16_EEPROM_IRQ_MASK) >> IE_EE16_EEPROM_IRQ_SHIFT; /* * Get the hardware ethernet address from the EEPROM and save it in * the softc for use by the 586 setup code. */ eaddrtemp = ie_ee16_hw_read_eeprom(PORT(sc), IEE16_EEPROM_ENET_HIGH); sc->enaddr[1] = eaddrtemp & 0xFF; sc->enaddr[0] = eaddrtemp >> 8; eaddrtemp = ie_ee16_hw_read_eeprom(PORT(sc), IEE16_EEPROM_ENET_MID); sc->enaddr[3] = eaddrtemp & 0xFF; sc->enaddr[2] = eaddrtemp >> 8; eaddrtemp = ie_ee16_hw_read_eeprom(PORT(sc), IEE16_EEPROM_ENET_LOW); sc->enaddr[5] = eaddrtemp & 0xFF; sc->enaddr[4] = eaddrtemp >> 8; /* disable the board interrupts */ outb(PORT(sc) + IEE16_IRQ, sc->irq_encoded); /* enable loopback to keep bad packets off the wire */ bart_config = inb(PORT(sc) + IEE16_CONFIG); bart_config |= IEE16_BART_LOOPBACK; bart_config |= IEE16_BART_MCS16_TEST;/* inb doesn't get bit! */ outb(PORT(sc) + IEE16_CONFIG, bart_config); bart_config = inb(PORT(sc) + IEE16_CONFIG); /* take the board out of reset state */ outb(PORT(sc) + IEE16_ECTRL, 0); DELAY(100); if (!check_ie_present(sc)) { device_printf(dev, "check_ie_present() returned false.\n"); error = ENXIO; goto bad; } error = ie_attach(dev); if (error) { device_printf(dev, "ie_attach() failed.\n"); goto bad; } return (0); bad: ie_release_resources(dev); return (error); } static int ie_isa_ee16_shutdown(device_t dev) { struct ie_softc * sc; sc = device_get_softc(dev); IE_LOCK(sc); ee16_shutdown(sc); IE_UNLOCK(sc); return (0); } /* * If an EE16 is present, return 0 * else, return 1. */ static int ie_ee16_port_check (u_int32_t port) { int i; u_int16_t board_id; u_int8_t data; board_id = 0; for (i = 0; i < 4; i++) { data = inb(port + IE_EE16_ID_PORT); board_id |= ((data >> 4) << ((data & 0x03) << 2)); } if (board_id != IE_EE16_ID) return (1); return (0); } static void ie_ee16_hw_eeprom_clock (u_int32_t port, int state) { u_int8_t ectrl; ectrl = inb(port + IEE16_ECTRL); ectrl &= ~(IEE16_RESET_ASIC | IEE16_ECTRL_EESK); if (state) { ectrl |= IEE16_ECTRL_EESK; } outb(port + IEE16_ECTRL, ectrl); DELAY(9); /* EESK must be stable for 8.38 uSec */ } static void ie_ee16_hw_eeprom_out (u_int32_t port, u_int16_t edata, int count) { u_int8_t ectrl; int i; ectrl = inb(port + IEE16_ECTRL); ectrl &= ~IEE16_RESET_ASIC; for (i = count - 1; i >= 0; i--) { ectrl &= ~IEE16_ECTRL_EEDI; if (edata & (1 << i)) { ectrl |= IEE16_ECTRL_EEDI; } outb(port + IEE16_ECTRL, ectrl); DELAY(1); /* eeprom data must be setup for 0.4 uSec */ ie_ee16_hw_eeprom_clock(port, 1); ie_ee16_hw_eeprom_clock(port, 0); } ectrl &= ~IEE16_ECTRL_EEDI; outb(port + IEE16_ECTRL, ectrl); DELAY(1); /* eeprom data must be held for 0.4 uSec */ return; } static u_int16_t ie_ee16_hw_eeprom_in (u_int32_t port) { u_int8_t ectrl; u_int16_t edata; int i; ectrl = inb(port + IEE16_ECTRL); ectrl &= ~IEE16_RESET_ASIC; for (edata = 0, i = 0; i < 16; i++) { edata = edata << 1; ie_ee16_hw_eeprom_clock(port, 1); ectrl = inb(port + IEE16_ECTRL); if (ectrl & IEE16_ECTRL_EEDO) { edata |= 1; } ie_ee16_hw_eeprom_clock(port, 0); } return (edata); } static u_int16_t ie_ee16_hw_read_eeprom (u_int32_t port, int loc) { u_int8_t ectrl; u_int16_t edata; ectrl = inb(port + IEE16_ECTRL); ectrl &= IEE16_ECTRL_MASK; ectrl |= IEE16_ECTRL_EECS; outb(port + IEE16_ECTRL, ectrl); ie_ee16_hw_eeprom_out(port, IEE16_EEPROM_READ, IEE16_EEPROM_OPSIZE1); ie_ee16_hw_eeprom_out(port, loc, IEE16_EEPROM_ADDR_SIZE); edata = ie_ee16_hw_eeprom_in(port); ectrl = inb(port + IEE16_ECTRL); ectrl &= ~(IEE16_RESET_ASIC | IEE16_ECTRL_EEDI | IEE16_ECTRL_EECS); outb(port + IEE16_ECTRL, ectrl); ie_ee16_hw_eeprom_clock(port, 1); ie_ee16_hw_eeprom_clock(port, 0); return (edata); } /* * AT&T StarLan/ */ static int ie_isa_sl_probe (device_t dev) { u_int32_t iobase; /* No ISA-PnP support */ if (isa_get_vendorid(dev)) return (ENXIO); /* ISA-HINT support only! */ if (device_get_desc(dev)) return (EBUSY); /* Have we at least an ioport? */ if ((iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0)) == 0) return (ENXIO); /* Is this really an SL board? */ if (ie_isa_sl_get_hard_type(iobase) == IE_NONE) return (ENXIO); return (ENXIO); } static int ie_isa_sl_attach (device_t dev) { struct ie_softc * sc; int error; sc = device_get_softc(dev); sc->io_rid = 0; sc->irq_rid = 0; sc->mem_rid = 0; error = ie_alloc_resources(dev); if (error) { goto bad; } /* Is this really an SL board? */ if ((sc->hard_type = ie_isa_sl_get_hard_type(PORT(sc))) == IE_NONE) { error = ENXIO; goto bad; } sc->hard_vers = SL_REV(inb(PORT(sc) + IEATT_REVISION)); if (sc->hard_type == IE_NI5210) { sc->bus_use = 1; } else { sc->bus_use = 0; } sc->ie_reset_586 = sl_reset_586; sc->ie_chan_attn = sl_chan_attn; if (!check_ie_present(sc)) { error = ENXIO; goto bad; } switch (sc->hard_type) { case IE_EN100: case IE_STARLAN10: case IE_SLFIBER: case IE_NI5210: sl_read_ether(sc, sc->enaddr); break; default: if (bootverbose) device_printf(sc->dev, "unknown AT&T board type code %d\n", sc->hard_type); error = ENXIO; goto bad; break; } error = ie_attach(dev); if (error) { device_printf(dev, "ie_attach() failed.\n"); goto bad; } return (0); bad: ie_release_resources(dev); return (error); } static enum ie_hardware ie_isa_sl_get_hard_type (u_int32_t port) { u_char c; enum ie_hardware retval; c = inb(port + IEATT_REVISION); switch (SL_BOARD(c)) { case SL1_BOARD: if (inb(port + IEATT_ATTRIB) != NI5210_BOARD) retval = IE_NONE; retval = IE_NI5210; break; case SL10_BOARD: retval = IE_STARLAN10; break; case EN100_BOARD: retval = IE_EN100; break; case SLFIBER_BOARD: retval = IE_SLFIBER; break; default: retval = IE_NONE; } return (retval); } static devclass_t ie_devclass; static device_method_t ie_isa_3C507_methods[] = { DEVMETHOD(device_identify, ie_isa_3C507_identify), DEVMETHOD(device_probe, ie_isa_3C507_probe), DEVMETHOD(device_attach, ie_isa_3C507_attach), DEVMETHOD(device_detach, ie_detach), { 0, 0 } }; static driver_t ie_isa_3C507_driver = { "ie", ie_isa_3C507_methods, sizeof(struct ie_softc), }; DRIVER_MODULE(ie_3C507, isa, ie_isa_3C507_driver, ie_devclass, ie_modevent, 0); MODULE_DEPEND(ie_3C507, elink, 1, 1, 1); static device_method_t ie_isa_ee16_methods[] = { DEVMETHOD(device_identify, ie_isa_ee16_identify), DEVMETHOD(device_probe, ie_isa_ee16_probe), DEVMETHOD(device_attach, ie_isa_ee16_attach), DEVMETHOD(device_shutdown, ie_isa_ee16_shutdown), DEVMETHOD(device_detach, ie_detach), { 0, 0 } }; static driver_t ie_isa_ee16_driver = { "ie", ie_isa_ee16_methods, sizeof(struct ie_softc), }; DRIVER_MODULE(ie, isa, ie_isa_ee16_driver, ie_devclass, ie_modevent, 0); static device_method_t ie_isa_sl_methods[] = { DEVMETHOD(device_probe, ie_isa_sl_probe), DEVMETHOD(device_attach, ie_isa_sl_attach), DEVMETHOD(device_detach, ie_detach), { 0, 0 } }; static driver_t ie_isa_sl_driver = { "ie", ie_isa_sl_methods, sizeof(struct ie_softc), }; DRIVER_MODULE(ie_SL, isa, ie_isa_sl_driver, ie_devclass, ie_modevent, 0); static int ie_modevent (mod, what, arg) module_t mod; int what; void * arg; { device_t * devs; int count; int i; switch (what) { case MOD_LOAD: break; case MOD_UNLOAD: devclass_get_devices(ie_devclass, &devs, &count); for (i = 0; i < count; i++) device_delete_child(device_get_parent(devs[i]), devs[i]); break; default: break; }; return (0); }