264 lines
6.7 KiB
C
264 lines
6.7 KiB
C
/*-
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* Copyright (c) 1998 Doug Rabson
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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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*
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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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* $Id: isa_compat.c,v 1.2 1999/04/17 09:56:35 bde Exp $
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*/
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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/bus.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/vmparam.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/pmap.h>
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#include <machine/resource.h>
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#include <isa/isavar.h>
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#include <i386/isa/isa_compat.h>
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#include <i386/isa/isa_device.h>
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struct isa_compat_resources {
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struct resource *ports;
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struct resource *memory;
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struct resource *drq;
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struct resource *irq;
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};
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int
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isa_compat_nextid(void)
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{
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static int id = 2; /* id_id of -1, 0 and 1 are "used" */
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return id++;
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}
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static void
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isa_compat_alloc_resources(device_t dev, struct isa_compat_resources *res)
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{
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int rid;
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if (isa_get_port(dev) != -1) {
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rid = 0;
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res->ports = bus_alloc_resource(dev, SYS_RES_IOPORT,
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&rid, 0ul, ~0ul, 1,
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RF_ACTIVE);
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if (res->ports == NULL)
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printf("isa_compat: didn't get ports for %s\n",
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device_get_name(dev));
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} else
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res->ports = 0;
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if (isa_get_maddr(dev) != 0) {
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rid = 0;
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res->memory = bus_alloc_resource(dev, SYS_RES_MEMORY,
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&rid, 0ul, ~0ul, 1,
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RF_ACTIVE);
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if (res->memory == NULL)
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printf("isa_compat: didn't get memory for %s\n",
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device_get_name(dev));
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} else
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res->memory = 0;
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if (isa_get_drq(dev) != -1) {
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rid = 0;
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res->drq = bus_alloc_resource(dev, SYS_RES_DRQ,
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&rid, 0ul, ~0ul, 1,
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RF_ACTIVE);
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if (res->drq == NULL)
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printf("isa_compat: didn't get drq for %s\n",
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device_get_name(dev));
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} else
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res->drq = 0;
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if (isa_get_irq(dev) != -1) {
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rid = 0;
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res->irq = bus_alloc_resource(dev, SYS_RES_IRQ,
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&rid, 0ul, ~0ul, 1,
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RF_SHAREABLE | RF_ACTIVE);
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if (res->irq == NULL)
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printf("isa_compat: didn't get irq for %s\n",
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device_get_name(dev));
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} else
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res->irq = 0;
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}
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static void
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isa_compat_release_resources(device_t dev, struct isa_compat_resources *res)
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{
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if (res->ports) {
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bus_release_resource(dev, SYS_RES_IOPORT, 0, res->ports);
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res->ports = 0;
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}
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if (res->memory) {
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bus_release_resource(dev, SYS_RES_MEMORY, 0, res->memory);
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res->memory = 0;
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}
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if (res->drq) {
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bus_release_resource(dev, SYS_RES_DRQ, 0, res->drq);
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res->drq = 0;
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}
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if (res->irq) {
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bus_release_resource(dev, SYS_RES_IRQ, 0, res->irq);
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res->irq = 0;
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}
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}
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static int
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isa_compat_probe(device_t dev)
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{
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struct isa_device *dvp = device_get_softc(dev);
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struct isa_compat_resources res;
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bzero(&res, sizeof(res));
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/*
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* Fill in the isa_device fields.
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*/
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dvp->id_id = isa_compat_nextid();
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dvp->id_driver = device_get_driver(dev)->priv;
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dvp->id_iobase = isa_get_port(dev);
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dvp->id_irq = (1 << isa_get_irq(dev));
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dvp->id_drq = isa_get_drq(dev);
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dvp->id_maddr = (void *)isa_get_maddr(dev);
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dvp->id_msize = isa_get_msize(dev);
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dvp->id_unit = device_get_unit(dev);
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dvp->id_flags = isa_get_flags(dev);
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dvp->id_enabled = device_is_enabled(dev);
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/*
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* Do the wrapped probe.
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*/
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if (dvp->id_driver->probe) {
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int portsize;
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void *maddr;
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isa_compat_alloc_resources(dev, &res);
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if (res.memory)
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maddr = rman_get_virtual(res.memory);
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else
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maddr = 0;
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dvp->id_maddr = maddr;
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portsize = dvp->id_driver->probe(dvp);
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isa_compat_release_resources(dev, &res);
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if (portsize != 0) {
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if (portsize > 0)
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isa_set_portsize(dev, portsize);
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if (dvp->id_iobase != isa_get_port(dev))
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isa_set_port(dev, dvp->id_iobase);
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if (dvp->id_irq != (1 << isa_get_irq(dev)))
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isa_set_irq(dev, ffs(dvp->id_irq) - 1);
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if (dvp->id_drq != isa_get_drq(dev))
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isa_set_drq(dev, dvp->id_drq);
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if (dvp->id_maddr != maddr)
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isa_set_maddr(dev,
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(int) dvp->id_maddr - KERNBASE);
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if (dvp->id_msize != isa_get_msize(dev))
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isa_set_msize(dev, dvp->id_msize);
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return 0;
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}
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}
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return ENXIO;
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}
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static int
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isa_compat_attach(device_t dev)
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{
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struct isa_device *dvp = device_get_softc(dev);
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struct isa_compat_resources res;
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int error;
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bzero(&res, sizeof(res));
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isa_compat_alloc_resources(dev, &res);
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if (dvp->id_driver->attach)
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dvp->id_driver->attach(dvp);
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if (res.irq && dvp->id_irq && dvp->id_intr) {
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void *ih;
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error = BUS_SETUP_INTR(device_get_parent(dev), dev,
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res.irq,
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dvp->id_intr,
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(void *)(uintptr_t)dvp->id_unit,
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&ih);
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if (error)
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printf("isa_compat_attach: failed to setup intr: %d\n",
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error);
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}
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return 0;
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}
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static device_method_t isa_compat_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, isa_compat_probe),
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DEVMETHOD(device_attach, isa_compat_attach),
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{ 0, 0 }
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};
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/*
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* Create a new style driver around each old isa driver.
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*/
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void
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isa_wrap_old_drivers(void)
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{
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int i;
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struct old_isa_driver *op;
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devclass_t isa_devclass = devclass_find("isa");
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for (i = 0, op = &old_drivers[0]; i < old_drivers_count; i++, op++) {
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driver_t *driver;
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driver = malloc(sizeof(driver_t), M_DEVBUF, M_NOWAIT);
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if (!driver)
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continue;
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bzero(driver, sizeof(driver_t));
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driver->name = op->driver->name;
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driver->methods = isa_compat_methods;
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driver->type = op->type;
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driver->softc = sizeof(struct isa_device);
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driver->priv = op->driver;
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devclass_add_driver(isa_devclass, driver);
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}
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}
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int
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haveseen_isadev(dvp, checkbits)
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struct isa_device *dvp;
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u_int checkbits;
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{
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printf("haveseen_isadev() called - FIXME!\n");
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return 0;
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}
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void
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reconfig_isadev(isdp, mp)
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struct isa_device *isdp;
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u_int *mp;
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{
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printf("reconfig_isadev() called - FIXME!\n");
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}
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