summaryrefslogtreecommitdiff
path: root/sys/arch/mac68k
diff options
context:
space:
mode:
authorbriggs <briggs@cvs.openbsd.org>1997-05-02 00:59:53 +0000
committerbriggs <briggs@cvs.openbsd.org>1997-05-02 00:59:53 +0000
commit107bba179ca31354757f406c1b2e70a5c01f9fc1 (patch)
tree0a70b776776bd0e25ebc23ff98ea91087c862633 /sys/arch/mac68k
parentcf26606b2fb86ae321068e51808077bae31d13c3 (diff)
Thanks to Tobias Beal <tbeal41@maine.maine.edu>, we can clear interrupts
on at least one Radius Precisioncolor 8 board.
Diffstat (limited to 'sys/arch/mac68k')
-rw-r--r--sys/arch/mac68k/dev/grf_mv.c42
-rw-r--r--sys/arch/mac68k/dev/nubus.h5
2 files changed, 41 insertions, 6 deletions
diff --git a/sys/arch/mac68k/dev/grf_mv.c b/sys/arch/mac68k/dev/grf_mv.c
index e12e5fca56b..df032d7e6bc 100644
--- a/sys/arch/mac68k/dev/grf_mv.c
+++ b/sys/arch/mac68k/dev/grf_mv.c
@@ -1,5 +1,5 @@
-/* $OpenBSD: grf_mv.c,v 1.14 1997/05/01 03:36:51 briggs Exp $ */
-/* $NetBSD: grf_mv.c,v 1.17 1997/02/24 06:20:06 scottr Exp $ */
+/* $OpenBSD: grf_mv.c,v 1.15 1997/05/02 00:59:52 briggs Exp $ */
+/* $NetBSD: grf_mv.c,v 1.23 1997/05/02 00:54:29 briggs Exp $ */
/*
* Copyright (c) 1995 Allen Briggs. All rights reserved.
@@ -54,6 +54,7 @@
static void load_image_data __P((caddr_t data, struct image_data *image));
static void grfmv_intr_generic __P((void *vsc, int slot));
+static void grfmv_intr_radius __P((void *vsc, int slot));
static void grfmv_intr_cti __P((void *vsc, int slot));
static void grfmv_intr_cb264 __P((void *vsc, int slot));
@@ -224,6 +225,9 @@ grfmv_attach(parent, self, aux)
sc->cli_value = 0;
add_nubus_intr(sc->sc_slot.slot, grfmv_intr_generic, sc);
break;
+ case NUBUS_DRHW_RPC8XJ:
+ add_nubus_intr(sc->sc_slot.slot, grfmv_intr_radius, sc);
+ break;
case NUBUS_DRHW_FIILX:
case NUBUS_DRHW_FIISXDSP:
sc->cli_offset = 0xF05000;
@@ -294,13 +298,43 @@ grfmv_intr_generic(vsc, slot)
void *vsc;
int slot;
{
- static char zero = 0;
struct grfbus_softc *sc;
volatile char *slotbase;
sc = (struct grfbus_softc *)vsc;
slotbase = (volatile char *)sc->sc_slot.virtual_base;
- slotbase[sc->cli_offset] = zero;
+ slotbase[sc->cli_offset] = sc->cli_value;
+}
+
+/*
+ * Generic routine to clear interrupts for cards where it simply takes
+ * a CLR.B to clear the interrupt. The offset of this byte varies between
+ * cards.
+ */
+/*ARGSUSED*/
+static void
+grfmv_intr_radius(vsc, slot)
+ void *vsc;
+ int slot;
+{
+ unsigned char c;
+ struct grfbus_softc *sc;
+ volatile char *slotbase;
+
+ sc = (struct grfbus_softc *)vsc;
+ slotbase = (volatile char *)sc->sc_slot.virtual_base;
+
+ /*
+ * The value 0x66 was the observed value on one card. It is read
+ * from the driver's information block, so this may not be sufficient.
+ * Then again, we're not setting up any other interrupts...
+ */
+ c = 0x66;
+
+ c |= 0x80;
+ slotbase[0xD00403] = c;
+ c &= 0x7F;
+ slotbase[0xD00403] = c;
}
/*
diff --git a/sys/arch/mac68k/dev/nubus.h b/sys/arch/mac68k/dev/nubus.h
index af2e978147d..a84c2154755 100644
--- a/sys/arch/mac68k/dev/nubus.h
+++ b/sys/arch/mac68k/dev/nubus.h
@@ -1,5 +1,5 @@
-/* $OpenBSD: nubus.h,v 1.14 1997/05/01 18:32:50 briggs Exp $ */
-/* $NetBSD: nubus.h,v 1.24 1997/05/01 18:17:18 briggs Exp $ */
+/* $OpenBSD: nubus.h,v 1.15 1997/05/02 00:59:51 briggs Exp $ */
+/* $NetBSD: nubus.h,v 1.25 1997/05/02 00:54:28 briggs Exp $ */
/*
* Copyright (c) 1995 Allen Briggs. All rights reserved.
@@ -60,6 +60,7 @@
#define NUBUS_DRHW_MICRON 0x0146
#define NUBUS_DRHW_CB364 0x026F /* RasterOps ColorBoard 364 */
#define NUBUS_DRHW_THUNDER24 0x02CB /* SuperMac Thunder/24 */
+#define NUBUS_DRHW_RPC8XJ 0x040B /* Radius PrecisionColor 8xj */
#define NUBUS_DRHW_FIILX 0x0417 /* Futura II LX */
#define NUBUS_DRHW_FIISXDSP 0x042F /* Futura II SX/DSP */