NetBSD/sys/dev/acpi/spic_acpi.c

103 lines
2.4 KiB
C

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: spic_acpi.c,v 1.1 2002/04/22 12:42:56 augustss Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/kernel.h>
#include <sys/callout.h>
#include <machine/bus.h>
void *isa_intr_establish(void *ic, int irq, int type,
int level, int (*ih_fun)(void *), void *ih_arg);
#include <dev/ic/spicvar.h>
#include <dev/acpi/acpica.h>
#include <dev/acpi/acpivar.h>
struct spic_acpi_softc {
struct spic_softc sc_spic; /* spic device */
struct acpi_devnode *sc_node; /* our ACPI devnode */
struct acpi_resources sc_res; /* our bus resources */
void *sc_ih;
};
int spic_acpi_match(struct device *, struct cfdata *, void *);
void spic_acpi_attach(struct device *, struct device *, void *);
struct cfattach spic_acpi_ca = {
sizeof(struct spic_acpi_softc), spic_acpi_match, spic_acpi_attach,
/* spic_acpi_detach, spic_acpi_activate */
};
int
spic_acpi_match(struct device *parent, struct cfdata *match, void *aux)
{
struct acpi_attach_args *aa = aux;
if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
return (0);
if (strcmp(aa->aa_node->ad_devinfo.HardwareId, "SNY6001") == 0)
return (1);
return (0);
}
void
spic_acpi_attach(struct device *parent, struct device *self, void *aux)
{
struct spic_acpi_softc *sc = (void *) self;
struct acpi_attach_args *aa = aux;
struct acpi_io *io;
struct acpi_irq *irq;
ACPI_STATUS rv;
printf(": Sony Programmable I/O Controller\n");
sc->sc_node = aa->aa_node;
/* Parse our resources. */
rv = acpi_resource_parse(&sc->sc_spic.sc_dev, sc->sc_node, &sc->sc_res,
&acpi_resource_parse_ops_default);
if (rv != AE_OK) {
printf("%s: unable to parse resources: %d\n",
sc->sc_spic.sc_dev.dv_xname, rv);
return;
}
sc->sc_spic.sc_iot = aa->aa_iot;
io = acpi_res_io(&sc->sc_res, 0);
if (io == NULL) {
printf("%s: unable to find io resource\n",
sc->sc_spic.sc_dev.dv_xname);
return;
}
if (bus_space_map(sc->sc_spic.sc_iot, io->ar_base, io->ar_length,
0, &sc->sc_spic.sc_ioh) != 0) {
printf("%s: unable to map data register\n",
sc->sc_spic.sc_dev.dv_xname);
return;
}
irq = acpi_res_irq(&sc->sc_res, 0);
if (irq == NULL) {
printf("%s: unable to find irq resource\n",
sc->sc_spic.sc_dev.dv_xname);
/* XXX unmap */
return;
}
#if 0
sc->sc_ih = isa_intr_establish(NULL, irq->ar_irq,
IST_EDGE, IPL_TTY, spic_intr, sc);
#endif
spic_attach(&sc->sc_spic);
}