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-rw-r--r--sys/arch/hppa/gsc/gscbus.c291
-rw-r--r--sys/arch/hppa/gsc/gscbusvar.h50
2 files changed, 321 insertions, 20 deletions
diff --git a/sys/arch/hppa/gsc/gscbus.c b/sys/arch/hppa/gsc/gscbus.c
index 7f6b4723cc2..33826ddb5eb 100644
--- a/sys/arch/hppa/gsc/gscbus.c
+++ b/sys/arch/hppa/gsc/gscbus.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: gscbus.c,v 1.1 1998/11/04 17:05:14 mickey Exp $ */
+/* $OpenBSD: gscbus.c,v 1.2 1999/02/25 21:07:48 mickey Exp $ */
/*
* Copyright (c) 1998 Michael Shalayeff
@@ -30,9 +30,14 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#define GSCDEBUG
+
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
+#include <sys/malloc.h>
+#include <sys/user.h>
+#include <sys/mbuf.h>
#include <sys/reboot.h>
#include <machine/iomod.h>
@@ -51,6 +56,26 @@ struct cfdriver gsc_cd = {
NULL, "gsc", DV_DULL
};
+int gsc_dmamap_create __P((void *, bus_size_t, int,
+ bus_size_t, bus_size_t, int, bus_dmamap_t *));
+void gsc_dmamap_destroy __P((void *, bus_dmamap_t));
+int gsc_dmamap_load __P((void *, bus_dmamap_t, void *,
+ bus_size_t, struct proc *, int));
+int gsc_dmamap_load_mbuf __P((void *, bus_dmamap_t, struct mbuf *, int));
+int gsc_dmamap_load_uio __P((void *, bus_dmamap_t, struct uio *, int));
+int gsc_dmamap_load_raw __P((void *, bus_dmamap_t,
+ bus_dma_segment_t *, int, bus_size_t, int));
+void gsc_dmamap_unload __P((void *, bus_dmamap_t));
+void gsc_dmamap_sync __P((void *, bus_dmamap_t, bus_dmasync_op_t));
+
+int gsc_dmamem_alloc __P((void *, bus_size_t, bus_size_t,
+ bus_size_t, bus_dma_segment_t *, int, int *, int));
+void gsc_dmamem_free __P((void *, bus_dma_segment_t *, int));
+int gsc_dmamem_map __P((void *, bus_dma_segment_t *,
+ int, size_t, caddr_t *, int));
+void gsc_dmamem_unmap __P((void *, caddr_t, size_t));
+int gsc_dmamem_mmap __P((void *, bus_dma_segment_t *, int, int, int, int));
+
int
gscmatch(parent, cfdata, aux)
struct device *parent;
@@ -68,9 +93,269 @@ gscattach(parent, self, aux)
struct device *self;
void *aux;
{
- struct gsc_attach_args *ga = aux;
+ register struct gsc_softc *sc = (struct gsc_softc *)self;
+ register struct gsc_attach_args *ga = aux;
+
+ sc->sc_iot = ga->ga_iot;
+ sc->sc_ic = ga->ga_ic;
+ sc->sc_intrmask = 0;
+ bzero(sc->sc_intrvs, sizeof(sc->sc_intrvs));
+
+ printf ("\n");
+
+ sc->sc_ih = cpu_intr_establish(IPL_HIGH, ga->ga_irq,
+ gsc_intr, sc, sc->sc_dev.dv_xname);
+ /* DMA guts */
+ sc->sc_dmatag._cookie = sc;
+ sc->sc_dmatag._dmamap_create = gsc_dmamap_create;
+ sc->sc_dmatag._dmamap_destroy = gsc_dmamap_destroy;
+ sc->sc_dmatag._dmamap_load = gsc_dmamap_load;
+ sc->sc_dmatag._dmamap_load_mbuf = gsc_dmamap_load_mbuf;
+ sc->sc_dmatag._dmamap_load_uio = gsc_dmamap_load_uio;
+ sc->sc_dmatag._dmamap_load_raw = gsc_dmamap_load_raw;
+ sc->sc_dmatag._dmamap_unload = gsc_dmamap_unload;
+ sc->sc_dmatag._dmamap_sync = gsc_dmamap_sync;
- printf("\n");
+ sc->sc_dmatag._dmamem_alloc = gsc_dmamem_alloc;
+ sc->sc_dmatag._dmamem_free = gsc_dmamem_free;
+ sc->sc_dmatag._dmamem_map = gsc_dmamem_map;
+ sc->sc_dmatag._dmamem_unmap = gsc_dmamem_unmap;
+ sc->sc_dmatag._dmamem_mmap = gsc_dmamem_mmap;
pdc_scanbus(self, &ga->ga_ca, ga->ga_mod, MAXMODBUS);
}
+
+int
+gscprint(aux, pnp)
+ void *aux;
+ const char *pnp;
+{
+ return (UNCONF);
+}
+
+
+void *
+gsc_intr_establish(sc, pri, irq, handler, arg, name)
+ struct gsc_softc *sc;
+ int pri;
+ int irq;
+ int (*handler) __P((void *v));
+ void *arg;
+ const char *name;
+{
+ register struct gscbus_intr *iv;
+ register u_int32_t mask;
+
+ mask = 1 << irq;
+ if (sc->sc_intrmask & mask) {
+#ifdef GSCDEBUG
+ printf("%s: attaching irq %d, already occupied\n",
+ sc->sc_dev.dv_xname, irq);
+#endif
+ return NULL;
+ }
+ sc->sc_intrmask |= mask;
+ iv = &sc->sc_intrvs[irq];
+ iv->pri = pri;
+ iv->handler = handler;
+ iv->arg = arg;
+ evcnt_attach(&sc->sc_dev, name, &iv->evcnt);
+ (sc->sc_ic->gsc_intr_establish)(sc->sc_ic->gsc_dv, mask);
+#ifdef GSCDEBUG
+ printf("gsc_intr_stablish: mask=0x%08x irq=%d iv=%p\n", mask, irq, iv);
+#endif
+
+ return &sc->sc_intrvs[irq];
+}
+
+void
+gsc_intr_disestablish(sc, v)
+ struct gsc_softc *sc;
+ void *v;
+{
+ register u_int32_t mask;
+
+ mask = 1 << (sc->sc_intrvs - (struct gscbus_intr *)v);
+ sc->sc_intrmask &= ~mask;
+ ((struct gscbus_intr *)v)->handler = NULL;
+ /* evcnt_detach(); */
+ (sc->sc_ic->gsc_intr_disestablish)(sc->sc_ic->gsc_dv, mask);
+}
+
+int
+gsc_intr(v)
+ void *v;
+{
+ register struct gsc_softc *sc = v;
+ register struct gscbus_ic *ic = sc->sc_ic;
+ register u_int32_t mask;
+ int ret;
+
+#ifdef GSCDEBUG
+ printf("gsc_intr(%p)\n", v);
+#endif
+ ret = 0;
+ while ((mask = (ic->gsc_intr_check)(ic->gsc_dv))) {
+ register int i;
+ register struct gscbus_intr *iv;
+
+ i = ffs(mask) - 1;
+ iv = &sc->sc_intrvs[i];
+
+#ifdef GSCDEBUG
+ printf("gsc_intr: got mask=0x%08x i=%d iv=%p\n", mask, i, iv);
+#endif
+ if (iv->handler) {
+ int s;
+#ifdef GSCDEBUG
+ printf("gsc_intr: calling %p for irq %d\n", v, i);
+#endif
+ s = splx(iv->pri);
+ ret += (iv->handler)(iv->arg);
+ splx(s);
+ } else
+ printf("%s: stray interrupt %d\n",
+ sc->sc_dev.dv_xname, i);
+
+ (ic->gsc_intr_ack)(ic->gsc_dv, 1 << i);
+ }
+
+ return ret;
+}
+
+int
+gsc_dmamap_create(v, size, nseg, maxsegsz, boundary, flags, dmamp)
+ void *v;
+ bus_size_t size;
+ int nseg;
+ bus_size_t maxsegsz;
+ bus_size_t boundary;
+ int flags;
+ bus_dmamap_t *dmamp;
+{
+ return 0;
+}
+
+void
+gsc_dmamap_destroy(v, map)
+ void *v;
+ bus_dmamap_t map;
+{
+}
+
+int
+gsc_dmamap_load(v, map, buf, buflen, p, flags)
+ void *v;
+ bus_dmamap_t map;
+ void *buf;
+ bus_size_t buflen;
+ struct proc *p;
+ int flags;
+{
+ return 0;
+}
+
+int
+gsc_dmamap_load_mbuf(v, map, mbuf, flags)
+ void *v;
+ bus_dmamap_t map;
+ struct mbuf *mbuf;
+ int flags;
+{
+ return 0;
+}
+
+int
+gsc_dmamap_load_uio(v, map, uio, flags)
+ void *v;
+ bus_dmamap_t map;
+ struct uio *uio;
+ int flags;
+{
+ return 0;
+}
+
+int
+gsc_dmamap_load_raw(v, map, segs, nsegs, size, flags)
+ void *v;
+ bus_dmamap_t map;
+ bus_dma_segment_t *segs;
+ int nsegs;
+ bus_size_t size;
+ int flags;
+{
+ return 0;
+}
+
+void
+gsc_dmamap_unload(v, map)
+ void *v;
+ bus_dmamap_t map;
+{
+
+}
+
+void
+gsc_dmamap_sync(v, map, op)
+ void *v;
+ bus_dmamap_t map;
+ bus_dmasync_op_t op;
+{
+
+}
+
+int
+gsc_dmamem_alloc(v, size, alignment, boundary, segs, nsegs, rsegs, flags)
+ void *v;
+ bus_size_t size;
+ bus_size_t alignment;
+ bus_size_t boundary;
+ bus_dma_segment_t *segs;
+ int nsegs;
+ int *rsegs;
+ int flags;
+{
+ return 0;
+}
+
+void
+gsc_dmamem_free(v, segs, nsegs)
+ void *v;
+ bus_dma_segment_t *segs;
+ int nsegs;
+{
+
+}
+
+int
+gsc_dmamem_map(v, segs, nsegs, size, kvap, flags)
+ void *v;
+ bus_dma_segment_t *segs;
+ int nsegs;
+ size_t size;
+ caddr_t *kvap;
+ int flags;
+{
+ return 0;
+}
+
+void
+gsc_dmamem_unmap(v, kva, size)
+ void *v;
+ caddr_t kva;
+ size_t size;
+{
+
+}
+
+int
+gsc_dmamem_mmap(v, segs, nsegs, off, prot, flags)
+ void *v;
+ bus_dma_segment_t *segs;
+ int nsegs;
+ int off;
+ int prot;
+ int flags;
+{
+ return 0;
+}
diff --git a/sys/arch/hppa/gsc/gscbusvar.h b/sys/arch/hppa/gsc/gscbusvar.h
index df6fb1fd08d..cf210b7fa75 100644
--- a/sys/arch/hppa/gsc/gscbusvar.h
+++ b/sys/arch/hppa/gsc/gscbusvar.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: gscbusvar.h,v 1.1 1998/11/04 17:05:15 mickey Exp $ */
+/* $OpenBSD: gscbusvar.h,v 1.2 1999/02/25 21:07:49 mickey Exp $ */
/*
* Copyright (c) 1998 Michael Shalayeff
@@ -34,34 +34,50 @@ struct gscbus_ic {
enum {gsc_unknown = 0, gsc_lasi, gsc_wax, gsc_asp} gsc_type;
void *gsc_dv;
- void *(*gsc_intr_establish) __P((struct gscbus_ic *ic, int pri,
- int (*handler) __P((void *)), void *,
- const char *));
- void (*gsc_intr_disestablish) __P((void *v));
- int (*gsc_intack) __P((void *v));
+ void (*gsc_intr_establish) __P((void *v, u_int32_t mask));
+ void (*gsc_intr_disestablish) __P((void *v, u_int32_t mask));
+ u_int32_t (*gsc_intr_check) __P((void *v));
+ void (*gsc_intr_ack) __P((void *v, u_int32_t mask));
};
struct gsc_attach_args {
struct confargs ga_ca;
-#define ga_name ga_ca.ca_name
-#define ga_iot ga_ca.ca_iot
-#define ga_mod ga_ca.ca_mod
-#define ga_type ga_ca.ca_type
-#define ga_hpa ga_ca.ca_hpa
+#define ga_name ga_ca.ca_name
+#define ga_iot ga_ca.ca_iot
+#define ga_mod ga_ca.ca_mod
+#define ga_type ga_ca.ca_type
+#define ga_hpa ga_ca.ca_hpa
+#define ga_dmatag ga_ca.ca_dmatag
+#define ga_irq ga_ca.ca_irq
/*#define ga_pdc_iodc_read ga_ca.ca_pdc_iodc_read */
struct gscbus_ic *ga_ic; /* IC pointer */
};
+struct gscbus_intr {
+ int pri;
+ int (*handler) __P((void *));
+ void *arg;
+ struct evcnt evcnt;
+};
+
struct gsc_softc {
struct device sc_dev;
+ void *sc_ih;
bus_space_tag_t sc_iot;
struct gscbus_ic *sc_ic;
+ struct hppa_bus_dma_tag sc_dmatag;
+
+ /* interrupt vectors */
+ struct gscbus_intr sc_intrvs[32];
+ u_int32_t sc_intrmask;
};
-#define gsc_intr_establish(ic,pri,h,c,s) \
- ((ic)->gsc_intr_establish((ic), (pri), (h), (c), (s)))
-#define gsc_intr_disestablish(ic,v) \
- (ic)->gsc_intr_disestablish((ic), (v))
-#define gsc_intr_intack(ic,v) \
- ((ic)->gsc_intr_disestablish((ic), (v)))
+void *gsc_intr_establish __P((struct gsc_softc *sc, int pri, int irq,
+ int (*handler) __P((void *v)), void *arg,
+ const char *name));
+void gsc_intr_disestablish __P((struct gsc_softc *sc, void *v));
+int gsc_intr __P((void *));
+
+int gscprint __P((void *, const char *));
+
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