Page MenuHomeFreeBSD
Differential D7692 Diff 19832 sys/mips/mips/mips_pic.c

Changeset View

Standalone View

View Options

sys/mips/mips/mips_pic.c

Context not available.
static int mips_pic_intr(void *); static int mips_pic_intr(void *);
struct intr_map_data_mips_pic {
struct intr_map_data hdr;
u_int irq;
};
struct mips_pic_irqsrc { struct mips_pic_irqsrc {
struct intr_irqsrc isrc; struct intr_irqsrc isrc;
struct resource *res; struct resource *res;
Context not available.
mips_pic_map_intr(device_t dev, struct intr_map_data *data, mips_pic_map_intr(device_t dev, struct intr_map_data *data,
struct intr_irqsrc **isrcp) struct intr_irqsrc **isrcp)
{ {
#ifdef FDT
struct intr_map_data_fdt *daf;
struct mips_pic_softc *sc; struct mips_pic_softc *sc;
int res;
if (data->type != INTR_MAP_DATA_FDT)
return (ENOTSUP);
sc = device_get_softc(dev); sc = device_get_softc(dev);
daf = (struct intr_map_data_fdt *)data; res = 0;
#ifdef FDT
if (data->type == INTR_MAP_DATA_FDT) {
struct intr_map_data_fdt *daf;
if (daf->ncells != 1 || daf->cells[0] >= sc->nirqs) daf = (struct intr_map_data_fdt *)data;
return (EINVAL);
*isrcp = PIC_INTR_ISRC(sc, daf->cells[0]); if (daf->ncells != 1 || daf->cells[0] >= sc->nirqs)
return (0); return (EINVAL);
#else
return (ENOTSUP); *isrcp = PIC_INTR_ISRC(sc, daf->cells[0]);
} else
#endif #endif
if (data->type == INTR_MAP_DATA_PLAT_1) {
nwhitehornUnsubmitted
Not Done
Inline Actions

This identifier is a little ugly, but I don't see an alternative.

nwhitehorn: This identifier is a little ugly, but I don't see an alternative.
struct intr_map_data_mips_pic *mpd;
mpd = (struct intr_map_data_mips_pic *)data;
if (mpd->irq < 0 || mpd->irq >= sc->nirqs)
return (EINVAL);
*isrcp = PIC_INTR_ISRC(sc, mpd->irq);
} else {
res = ENOTSUP;
}
return (res);
} }
static void static void
Context not available.
{ {
} }
static int
cpu_create_intr_map(int irq)
{
struct intr_map_data_mips_pic *mips_pic_data;
intptr_t iparent;
size_t len;
u_int new_irq;
len = sizeof(*mips_pic_data);
iparent = pic_xref(pic_sc->pic_dev);
/* Allocate mips_pic data and fill it in */
mips_pic_data = (struct intr_map_data_mips_pic *)intr_alloc_map_data(
INTR_MAP_DATA_PLAT_1, len, M_WAITOK | M_ZERO);
mips_pic_data->irq = irq;
/* Get the new irq number */
new_irq = intr_map_irq(pic_sc->pic_dev, iparent,
(struct intr_map_data *)mips_pic_data);
/* Adjust the resource accordingly */
rman_set_start(pic_sc->pic_irqs[irq].res, new_irq);
rman_set_end(pic_sc->pic_irqs[irq].res, new_irq);
/* Activate the new irq */
return (intr_activate_irq(pic_sc->pic_dev, pic_sc->pic_irqs[irq].res));
}
void void
cpu_establish_hardintr(const char *name, driver_filter_t *filt, cpu_establish_hardintr(const char *name, driver_filter_t *filt,
void (*handler)(void*), void *arg, int irq, int flags, void **cookiep) void (*handler)(void*), void *arg, int irq, int flags, void **cookiep)
Context not available.
KASSERT(pic_sc != NULL, ("%s: no pic", __func__)); KASSERT(pic_sc != NULL, ("%s: no pic", __func__));
irq += NSOFT_IRQS; irq += NSOFT_IRQS;
res = cpu_create_intr_map(irq);
if (res != 0) panic("Unable to create map for hard IRQ %d", irq);
res = intr_setup_irq(pic_sc->pic_dev, pic_sc->pic_irqs[irq].res, filt, res = intr_setup_irq(pic_sc->pic_dev, pic_sc->pic_irqs[irq].res, filt,
handler, arg, flags, cookiep); handler, arg, flags, cookiep);
if (res != 0) panic("Unable to add hard IRQ %d handler", irq); if (res != 0) panic("Unable to add hard IRQ %d handler", irq);
Context not available.
KASSERT(pic_sc != NULL, ("%s: no pic", __func__)); KASSERT(pic_sc != NULL, ("%s: no pic", __func__));
res = cpu_create_intr_map(irq);
if (res != 0) panic("Unable to create map for soft IRQ %d", irq);
res = intr_setup_irq(pic_sc->pic_dev, pic_sc->pic_irqs[irq].res, filt, res = intr_setup_irq(pic_sc->pic_dev, pic_sc->pic_irqs[irq].res, filt,
handler, arg, flags, cookiep); handler, arg, flags, cookiep);
if (res != 0) panic("Unable to add soft IRQ %d handler", irq); if (res != 0) panic("Unable to add soft IRQ %d handler", irq);
Context not available.