diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/bus/netbsdPci.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/bus/netbsdPci.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/netbsdPci.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/netbsdPci.c new file mode 100644 index 000000000..7dbbfdec7 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/netbsdPci.c @@ -0,0 +1,132 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bus/netbsdPci.c,v 1.4 2003/08/24 17:37:04 dawes Exp $ */ +/* + * Copyright (C) 1994-2003 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. + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#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, +/* funcs */ &netbsdFuncs0, +/* pciBusPriv */ NULL, +/* bridge */ NULL +}; + +void +netbsdPciInit() +{ + struct pciio_businfo pci_businfo; + + 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; + /* use businfo to get the number of devs */ + if (ioctl(devpci, PCI_IOC_BUSINFO, &pci_businfo) != 0) + FatalError("netbsdPciInit: not a PCI bus device"); + netbsdPci0.numDevices = pci_businfo.maxdevs; +} + +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); +} |