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- Provide proper pre_thread/post_ithread functions for GT PCI

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controller.
This commit is contained in:
Oleksandr Tymoshenko 2009-05-26 04:51:56 +00:00
parent ccbbcd481f
commit b6713e96f9
1 changed files with 66 additions and 9 deletions
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75
sys/mips/malta/gt_pci.c
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@ -91,6 +91,13 @@ __FBSDID("$FreeBSD$");
#define OCW3_POLL_IRQ(x) ((x) & 0x7f)
#define OCW3_POLL_PENDING (1U << 7)
struct gt_pci_softc;
struct gt_pci_intr_cookie {
int irq;
struct gt_pci_softc *sc;
};
struct gt_pci_softc {
device_t sc_dev;
bus_space_tag_t sc_st;
@ -107,6 +114,7 @@ struct gt_pci_softc {
struct resource *sc_irq;
struct intr_event *sc_eventstab[ICU_LEN];
struct gt_pci_intr_cookie sc_intr_cookies[ICU_LEN];
uint16_t sc_imask;
uint16_t sc_elcr;
@ -115,6 +123,51 @@ struct gt_pci_softc {
void *sc_ih;
};
static void gt_pci_set_icus(struct gt_pci_softc *);
static int gt_pci_intr(void *v);
static int gt_pci_probe(device_t);
static int gt_pci_attach(device_t);
static int gt_pci_activate_resource(device_t, device_t, int, int,
struct resource *);
static int gt_pci_setup_intr(device_t, device_t, struct resource *,
int, driver_filter_t *, driver_intr_t *, void *, void **);
static int gt_pci_teardown_intr(device_t, device_t, struct resource *, void*);
static int gt_pci_maxslots(device_t );
static int gt_pci_conf_setup(struct gt_pci_softc *, int, int, int, int,
uint32_t *);
static uint32_t gt_pci_read_config(device_t, int, int, int, int, int);
static void gt_pci_write_config(device_t, int, int, int, int, uint32_t, int);
static int gt_pci_route_interrupt(device_t pcib, device_t dev, int pin);
static struct resource * gt_pci_alloc_resource(device_t, device_t, int,
int *, u_long, u_long, u_long, u_int);
static void
gt_pci_mask_irq(void *source)
{
struct gt_pci_intr_cookie *cookie = source;
struct gt_pci_softc *sc = cookie->sc;
int irq = cookie->irq;
sc->sc_imask |= (1 << irq);
sc->sc_elcr |= (1 << irq);
gt_pci_set_icus(sc);
}
static void
gt_pci_unmask_irq(void *source)
{
struct gt_pci_intr_cookie *cookie = source;
struct gt_pci_softc *sc = cookie->sc;
int irq = cookie->irq;
/* Enable it, set trigger mode. */
sc->sc_imask &= ~(1 << irq);
sc->sc_elcr &= ~(1 << irq);
gt_pci_set_icus(sc);
}
static void
gt_pci_set_icus(struct gt_pci_softc *sc)
{
@ -629,10 +682,13 @@ gt_pci_setup_intr(device_t dev, device_t child, struct resource *ires,
panic("%s: bad irq or type", __func__);
event = sc->sc_eventstab[irq];
sc->sc_intr_cookies[irq].irq = irq;
sc->sc_intr_cookies[irq].sc = sc;
if (event == NULL) {
error = intr_event_create(&event, (void *)irq, 0, irq,
(mask_fn)mips_mask_irq, (mask_fn)mips_unmask_irq,
(mask_fn)mips_unmask_irq, NULL, "gt_pci intr%d:", irq);
error = intr_event_create(&event,
(void *)&sc->sc_intr_cookies[irq], 0, irq,
gt_pci_mask_irq, gt_pci_unmask_irq,
NULL, NULL, "gt_pci intr%d:", irq);
if (error)
return 0;
sc->sc_eventstab[irq] = event;
@ -641,12 +697,7 @@ gt_pci_setup_intr(device_t dev, device_t child, struct resource *ires,
intr_event_add_handler(event, device_get_nameunit(child), filt,
handler, arg, intr_priority(flags), flags, cookiep);
/* Enable it, set trigger mode. */
sc->sc_imask &= ~(1 << irq);
sc->sc_elcr &= ~(1 << irq);
gt_pci_set_icus(sc);
gt_pci_unmask_irq((void *)&sc->sc_intr_cookies[irq]);
return 0;
}
@ -654,6 +705,12 @@ static int
gt_pci_teardown_intr(device_t dev, device_t child, struct resource *res,
void *cookie)
{
struct gt_pci_softc *sc = device_get_softc(dev);
int irq;
irq = rman_get_start(res);
gt_pci_mask_irq((void *)&sc->sc_intr_cookies[irq]);
return (intr_event_remove_handler(cookie));
}