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Diffstat (limited to 'hw/xfree86/os-support/bus/netbsdPci.c')
-rw-r--r--hw/xfree86/os-support/bus/netbsdPci.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/bus/netbsdPci.c b/hw/xfree86/os-support/bus/netbsdPci.c
new file mode 100644
index 000000000..637bd7021
--- /dev/null
+++ b/hw/xfree86/os-support/bus/netbsdPci.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 1994-2002 The XFree86 Project, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE
+ * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the XFree86 Project
+ * shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written
+ * authorization from the XFree86 Project.
+ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bus/netbsdPci.c,v 1.2 2002/08/27 22:07:07 tsi Exp $ */
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <dev/pci/pciio.h>
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86OSpriv.h"
+
+#include "Pci.h"
+
+static CARD32 netbsdPciConfRead(PCITAG, int);
+static void netbsdPciConfWrite(PCITAG, int, CARD32);
+static void netbsdPciSetBits(PCITAG, int, CARD32, CARD32);
+
+static int devpci = -1;
+
+static pciBusFuncs_t netbsdFuncs0 = {
+/* pciReadLong */ netbsdPciConfRead,
+/* pciWriteLong */ netbsdPciConfWrite,
+/* pciSetBitsLong */ netbsdPciSetBits,
+/* pciAddrHostToBus */ pciAddrNOOP,
+/* pciAddrBusToHost */ pciAddrNOOP
+};
+
+static pciBusInfo_t netbsdPci0 = {
+/* configMech */ PCI_CFG_MECH_OTHER,
+/* numDevices */ 32,
+/* secondary */ FALSE,
+/* primary_bus */ 0,
+#ifdef PowerMAX_OS
+/* io_base */ 0,
+/* io_size */ 0,
+#endif
+/* funcs */ &netbsdFuncs0,
+/* pciBusPriv */ NULL,
+/* bridge */ NULL
+};
+
+void
+netbsdPciInit()
+{
+
+ devpci = open("/dev/pci0", O_RDWR);
+ if (devpci == -1)
+ FatalError("netbsdPciInit: can't open /dev/pci0\n");
+
+ pciNumBuses = 1;
+ pciBusInfo[0] = &netbsdPci0;
+ pciFindFirstFP = pciGenFindFirst;
+ pciFindNextFP = pciGenFindNext;
+}
+
+static CARD32
+netbsdPciConfRead(PCITAG tag, int reg)
+{
+ struct pciio_bdf_cfgreg bdfr;
+
+ bdfr.bus = PCI_BUS_FROM_TAG(tag);
+ bdfr.device = PCI_DEV_FROM_TAG(tag);
+ bdfr.function = PCI_FUNC_FROM_TAG(tag);
+ bdfr.cfgreg.reg = reg;
+
+ if (ioctl(devpci, PCI_IOC_BDF_CFGREAD, &bdfr) == -1)
+ FatalError("netbsdPciConfRead: failed on %d/%d/%d\n",
+ bdfr.bus, bdfr.device, bdfr.function);
+
+ return (bdfr.cfgreg.val);
+}
+
+static void
+netbsdPciConfWrite(PCITAG tag, int reg, CARD32 val)
+{
+ struct pciio_bdf_cfgreg bdfr;
+
+ bdfr.bus = PCI_BUS_FROM_TAG(tag);
+ bdfr.device = PCI_DEV_FROM_TAG(tag);
+ bdfr.function = PCI_FUNC_FROM_TAG(tag);
+ bdfr.cfgreg.reg = reg;
+ bdfr.cfgreg.val = val;
+
+ if (ioctl(devpci, PCI_IOC_BDF_CFGWRITE, &bdfr) == -1)
+ FatalError("netbsdPciConfWrite: failed on %d/%d/%d\n",
+ bdfr.bus, bdfr.device, bdfr.function);
+}
+
+static void
+netbsdPciSetBits(PCITAG tag, int reg, CARD32 mask, CARD32 bits)
+{
+ CARD32 val;
+
+ val = netbsdPciConfRead(tag, reg);
+ val = (val & ~mask) | (bits & mask);
+ netbsdPciConfWrite(tag, reg, val);
+}