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Code Issues Releases Activity

Add an ISA/ACPI bus attachment to proto(4).

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This commit is contained in:
Marcel Moolenaar 2015-07-02 19:21:29 +00:00
parent e2f5418e73
commit 3a232946f7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=285058
3 changed files with 134 additions and 1 deletions
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121
sys/dev/proto/proto_bus_isa.c Normal file
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@ -0,0 +1,121 @@
/*-
* Copyright (c) 2015 Marcel Moolenaar
* 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 ``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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <sys/sbuf.h>
#include <isa/isavar.h>
#include <isa/pnpvar.h>
#include <dev/proto/proto.h>
static int proto_isa_probe(device_t dev);
static int proto_isa_attach(device_t dev);
static device_method_t proto_isa_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, proto_isa_probe),
DEVMETHOD(device_attach, proto_isa_attach),
DEVMETHOD(device_detach, proto_detach),
DEVMETHOD_END
};
static driver_t proto_isa_driver = {
proto_driver_name,
proto_isa_methods,
sizeof(struct proto_softc),
};
static int
proto_isa_probe(device_t dev)
{
struct sbuf *sb;
struct resource *res;
int rid, type;
rid = 0;
type = SYS_RES_IOPORT;
res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
if (res == NULL) {
type = SYS_RES_MEMORY;
res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
}
if (res == NULL)
return (ENODEV);
sb = sbuf_new_auto();
sbuf_printf(sb, "isa:%#lx", rman_get_start(res));
sbuf_finish(sb);
device_set_desc_copy(dev, sbuf_data(sb));
sbuf_delete(sb);
bus_release_resource(dev, type, rid, res);
return (BUS_PROBE_HOOVER);
}
static int
proto_isa_alloc(device_t dev, int type, int nrids)
{
struct resource *res;
struct proto_softc *sc;
int count, rid;
sc = device_get_softc(dev);
count = 0;
for (rid = 0; rid < nrids; rid++) {
res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
if (res == NULL)
break;
proto_add_resource(sc, type, rid, res);
count++;
}
if (type == SYS_RES_DRQ && count > 0)
proto_add_resource(sc, PROTO_RES_BUSDMA, 0, NULL);
return (count);
}
static int
proto_isa_attach(device_t dev)
{
proto_isa_alloc(dev, SYS_RES_IRQ, ISA_NIRQ);
proto_isa_alloc(dev, SYS_RES_DRQ, ISA_NDRQ);
proto_isa_alloc(dev, SYS_RES_IOPORT, ISA_NPORT);
proto_isa_alloc(dev, SYS_RES_MEMORY, ISA_NMEM);
return (proto_attach(dev));
}
DRIVER_MODULE(proto, acpi, proto_isa_driver, proto_devclass, NULL, NULL);
DRIVER_MODULE(proto, isa, proto_isa_driver, proto_devclass, NULL, NULL);

9
sys/dev/proto/proto_core.c
View File

@ -54,12 +54,15 @@ __FBSDID("$FreeBSD$");
#include <dev/proto/proto_busdma.h>
CTASSERT(SYS_RES_IRQ != PROTO_RES_UNUSED &&
SYS_RES_DRQ != PROTO_RES_UNUSED &&
SYS_RES_MEMORY != PROTO_RES_UNUSED &&
SYS_RES_IOPORT != PROTO_RES_UNUSED);
CTASSERT(SYS_RES_IRQ != PROTO_RES_PCICFG &&
SYS_RES_DRQ != PROTO_RES_PCICFG &&
SYS_RES_MEMORY != PROTO_RES_PCICFG &&
SYS_RES_IOPORT != PROTO_RES_PCICFG);
CTASSERT(SYS_RES_IRQ != PROTO_RES_BUSDMA &&
SYS_RES_DRQ != PROTO_RES_BUSDMA &&
SYS_RES_MEMORY != PROTO_RES_BUSDMA &&
SYS_RES_IOPORT != PROTO_RES_BUSDMA);
@ -132,6 +135,8 @@ proto_attach(device_t dev)
case SYS_RES_IRQ:
/* XXX TODO */
break;
case SYS_RES_DRQ:
break;
case SYS_RES_MEMORY:
case SYS_RES_IOPORT:
r->r_size = rman_get_size(r->r_d.res);
@ -185,6 +190,10 @@ proto_detach(device_t dev)
bus_release_resource(dev, r->r_type, r->r_rid,
r->r_d.res);
break;
case SYS_RES_DRQ:
bus_release_resource(dev, r->r_type, r->r_rid,
r->r_d.res);
break;
case SYS_RES_MEMORY:
case SYS_RES_IOPORT:
bus_release_resource(dev, r->r_type, r->r_rid,

5
sys/modules/proto/Makefile
View File

@ -4,6 +4,7 @@
KMOD= proto
SRCS= \
proto_bus_isa.c \
proto_bus_pci.c \
proto_busdma.c \
proto_core.c
@ -11,10 +12,12 @@ SRCS= \
SRCS+= \
bus_if.h \
device_if.h \
pci_if.h \
isa_if.h \
pci_if.h
MFILES= \
dev/pci/pci_if.m \
isa/isa_if.m \
kern/bus_if.m \
kern/device_if.m