192 lines
4.9 KiB
C
192 lines
4.9 KiB
C
/*-
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* Copyright (C) 1996 Naoki Hamada <nao@tom-yam.or.jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <dev/eisa/eisaconf.h>
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#include <dev/vx/if_vxreg.h>
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#include <dev/vx/if_vxvar.h>
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#define EISA_DEVICE_ID_3COM_3C592 0x506d5920
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#define EISA_DEVICE_ID_3COM_3C597_TX 0x506d5970
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#define EISA_DEVICE_ID_3COM_3C597_T4 0x506d5971
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#define EISA_DEVICE_ID_3COM_3C597_MII 0x506d5972
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#define VX_EISA_SLOT_OFFSET 0x0c80
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#define VX_EISA_IOSIZE 0x000a
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#define VX_RESOURCE_CONFIG 0x0008
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static const char *vx_match(eisa_id_t type);
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static const char *
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vx_match(eisa_id_t type)
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{
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switch (type) {
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case EISA_DEVICE_ID_3COM_3C592:
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return "3Com 3C592";
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case EISA_DEVICE_ID_3COM_3C597_TX:
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return "3Com 3C597-TX";
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case EISA_DEVICE_ID_3COM_3C597_T4:
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return "3Com 3C597-T4";
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case EISA_DEVICE_ID_3COM_3C597_MII:
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return "3Com 3C597-MII";
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default:
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break;
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}
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return (NULL);
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}
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static int
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vx_eisa_probe(device_t dev)
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{
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const char *desc;
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u_long iobase;
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u_long port;
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desc = vx_match(eisa_get_id(dev));
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if (!desc)
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return (ENXIO);
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device_set_desc(dev, desc);
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port = eisa_get_slot(dev) * EISA_SLOT_SIZE;
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iobase = port + VX_EISA_SLOT_OFFSET;
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eisa_add_iospace(dev, iobase, VX_EISA_IOSIZE, RESVADDR_NONE);
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eisa_add_iospace(dev, port, VX_IOSIZE, RESVADDR_NONE);
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/* Set irq */
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eisa_add_intr(dev, inw(iobase + VX_RESOURCE_CONFIG) >> 12,
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EISA_TRIGGER_EDGE);
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return (0);
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}
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static int
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vx_eisa_attach(device_t dev)
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{
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struct vx_softc *sc;
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struct resource *io = 0;
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struct resource *eisa_io = 0;
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struct resource *irq = 0;
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int rid;
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/*
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* The addresses are sorted in increasing order
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* so we know the port to pass to the core ep
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* driver comes first.
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*/
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rid = 0;
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io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
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if (!io) {
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device_printf(dev, "No I/O space?!\n");
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goto bad;
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}
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rid = 1;
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eisa_io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
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if (!eisa_io) {
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device_printf(dev, "No I/O space?!\n");
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goto bad;
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}
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sc = device_get_softc(dev);
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sc->vx_res = io;
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sc->vx_bst = rman_get_bustag(io);
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sc->vx_bsh = rman_get_bushandle(io);
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rid = 0;
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irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
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if (!irq) {
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device_printf(dev, "No irq?!\n");
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goto bad;
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}
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sc->vx_irq = irq;
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/* Now the registers are availible through the lower ioport */
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if (vx_attach(dev) == 0)
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goto bad;
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if (bus_setup_intr(dev, irq, INTR_TYPE_NET | INTR_MPSAFE, NULL,
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vx_intr, sc, &sc->vx_intrhand))
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goto bad_mtx;
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return (0);
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bad_mtx:
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mtx_destroy(&sc->vx_mtx);
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ether_ifdetach(sc->vx_ifp);
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if_free(sc->vx_ifp);
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bad:
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if (io)
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bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
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if (eisa_io)
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bus_release_resource(dev, SYS_RES_IOPORT, 0, eisa_io);
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if (irq)
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bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
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return (ENXIO);
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}
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static device_method_t vx_eisa_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, vx_eisa_probe),
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DEVMETHOD(device_attach, vx_eisa_attach),
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{0, 0}
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};
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static driver_t vx_eisa_driver = {
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"vx",
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vx_eisa_methods,
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sizeof(struct vx_softc)
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};
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static devclass_t vx_devclass;
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DRIVER_MODULE(vx, eisa, vx_eisa_driver, vx_devclass, 0, 0);
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