347 lines
9.0 KiB
C
347 lines
9.0 KiB
C
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/*
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* Display the Subsystem Vendor Id and Subsystem Id in order to identify
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* the cards installed in this computer
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*
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* A lot of this comes from Robin Cutshaw's scanpci
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*
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*/
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/*
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* Copyright (c) 1995-2002 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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/*
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* This file is used to build both the scanpci and pcidata modules.
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* The interfaces have changed compared with XFree86 4.2.0 and earlier.
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* The data is no longer exported directly. Lookup functions are provided.
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* This means that the data format can change in the future without affecting
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* the exported interfaces.
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*
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* The namespaces for pcidata and scanpci clash, so both modules can't be
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* loaded at the same time. The X server should only load the scanpci module
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* when run with the '-scanpci' flag. The main difference between the
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* two modules is size. pcidata only holds the subset of data that is
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* "interesting" to the X server. "Interesting" is determined by the
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* PCI_VENDOR_* defines in ../common/xf86PciInfo.h.
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*/
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/* XXX This is including a lot of stuff that modules should not include! */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/X.h>
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#include "os.h"
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#include "xf86.h"
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#include "xf86Priv.h"
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#include "xf86Pci.h"
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#include "xf86_OSproc.h"
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#include <ctype.h>
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#include <stdlib.h>
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#ifndef PCIDATA
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#define VENDOR_INCLUDE_NONVIDEO
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#endif
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#define INIT_SUBSYS_INFO
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#define INIT_VENDOR_SUBSYS_INFO
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#include "xf86PciStr.h"
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#include "xf86PciIds.h"
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#include "xf86ScanPci.h"
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#include "xf86Module.h"
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#ifdef PCIDATA
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static XF86ModuleVersionInfo pciDataVersRec = {
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"pcidata",
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MODULEVENDORSTRING,
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MODINFOSTRING1,
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MODINFOSTRING2,
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XORG_VERSION_CURRENT,
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1, 0, 0,
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ABI_CLASS_VIDEODRV,
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ABI_VIDEODRV_VERSION,
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NULL,
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{0, 0, 0, 0}
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};
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_X_EXPORT XF86ModuleData pcidataModuleData = { &pciDataVersRec, NULL, NULL };
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#else
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static XF86ModuleVersionInfo scanPciVersRec = {
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"scanpci",
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MODULEVENDORSTRING,
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MODINFOSTRING1,
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MODINFOSTRING2,
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XORG_VERSION_CURRENT,
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1, 0, 0,
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ABI_CLASS_VIDEODRV,
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ABI_VIDEODRV_VERSION,
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NULL,
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{0, 0, 0, 0}
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};
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_X_EXPORT XF86ModuleData scanpciModuleData = { &scanPciVersRec, NULL, NULL };
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#endif /* PCIDATA */
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/* Initialisation/Close hooks, in case they're ever needed. */
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Bool
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ScanPciSetupPciIds(void)
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{
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return TRUE;
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}
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void
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ScanPciClosePciIds(void)
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{
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return;
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}
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/*
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* The return value is the number of strings found, or -1 for an error.
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* Requested strings that aren't found are set to NULL.
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*/
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int
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ScanPciFindPciNamesByDevice(unsigned short vendor, unsigned short device,
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unsigned short svendor, unsigned short subsys,
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const char **vname, const char **dname,
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const char **svname, const char **sname)
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{
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int i, j, k;
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const pciDeviceInfo **pDev;
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const pciSubsystemInfo **pSub;
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/* It's an error to not provide the Vendor */
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if (vendor == NOVENDOR)
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return -1;
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/* Initialise returns requested/provided to NULL */
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if (vname)
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*vname = NULL;
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if (device != NODEVICE && dname)
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*dname = NULL;
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if (svendor != NOVENDOR && svname)
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*svname = NULL;
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if (subsys != NOSUBSYS && sname)
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*sname = NULL;
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for (i = 0; pciVendorInfoList[i].VendorName; i++) {
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if (vendor == pciVendorInfoList[i].VendorID) {
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if (vname) {
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*vname = pciVendorInfoList[i].VendorName;
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}
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if (device == NODEVICE) {
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return 1;
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}
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pDev = pciVendorInfoList[i].Device;
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if (!pDev) {
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return 1;
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}
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for (j = 0; pDev[j]; j++) {
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if (device == pDev[j]->DeviceID) {
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if (dname) {
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*dname = pDev[j]->DeviceName;
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}
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if (svendor == NOVENDOR) {
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return 2;
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}
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for (k = 0; pciVendorInfoList[k].VendorName; k++) {
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if (svendor &&
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svendor == pciVendorInfoList[k].VendorID) {
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if (svname) {
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*svname = pciVendorInfoList[k].VendorName;
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}
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if (subsys == NOSUBSYS) {
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return 3;
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}
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break;
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}
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}
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if (!pciVendorInfoList[k].VendorName) {
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return 2;
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}
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pSub = pDev[j]->Subsystem;
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if (!pSub) {
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return 3;
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}
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for (k = 0; pSub[k]; k++) {
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if (svendor == pSub[k]->VendorID &&
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subsys == pSub[k]->SubsystemID) {
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if (sname)
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*sname = pSub[k]->SubsystemName;
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return 4;
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}
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}
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/* No vendor/subsys match */
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return 3;
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}
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}
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/* No device match */
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return 1;
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}
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}
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/* No vendor match */
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return 0;
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}
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Bool
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ScanPciFindPciNamesBySubsys(unsigned short svendor, unsigned short subsys,
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const char **svname, const char **sname)
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{
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int i, j;
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const pciSubsystemInfo **pSub;
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/* It's an error to not provide the Vendor */
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if (svendor == NOVENDOR)
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return -1;
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/* Initialise returns requested/provided to NULL */
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if (svname)
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*svname = NULL;
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if (subsys != NOSUBSYS && sname)
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*sname = NULL;
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for (i = 0; pciVendorSubsysInfoList[i].VendorName; i++) {
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if (svendor == pciVendorSubsysInfoList[i].VendorID) {
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if (svname) {
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*svname = pciVendorSubsysInfoList[i].VendorName;
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}
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if (subsys == NOSUBSYS) {
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return 1;
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}
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pSub = pciVendorSubsysInfoList[i].Subsystem;
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if (!pSub) {
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return 1;
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}
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for (j = 0; pSub[j]; j++) {
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if (subsys == pSub[j]->SubsystemID) {
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if (sname) {
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*sname = pSub[j]->SubsystemName;
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}
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}
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}
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/* No subsys match */
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return 1;
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}
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}
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/* No vendor match */
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return 0;
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}
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#ifndef PCIDATA
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void
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ScanPciDisplayPCICardInfo(int verbosity)
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{
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pciConfigPtr pcrp, *pcrpp;
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int i;
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xf86EnableIO();
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pcrpp = xf86scanpci(0);
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if (pcrpp == NULL) {
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xf86MsgVerb(X_NONE,0,"No PCI info available\n");
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return;
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}
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xf86MsgVerb(X_NONE,0,"Probing for PCI devices (Bus:Device:Function)\n\n");
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for (i = 0; (pcrp = pcrpp[i]); i++) {
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const char *svendorname = NULL, *subsysname = NULL;
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const char *vendorname = NULL, *devicename = NULL;
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Bool noCard = FALSE;
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const char *prefix1 = "", *prefix2 = "";
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xf86MsgVerb(X_NONE, -verbosity, "(%d:%d:%d) ",
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pcrp->busnum, pcrp->devnum, pcrp->funcnum);
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/*
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* Lookup as much as we can about the device.
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*/
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if (pcrp->pci_subsys_vendor || pcrp->pci_subsys_card) {
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ScanPciFindPciNamesByDevice(pcrp->pci_vendor, pcrp->pci_device,
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NOVENDOR, NOSUBSYS,
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&vendorname, &devicename, NULL, NULL);
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} else {
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ScanPciFindPciNamesByDevice(pcrp->pci_vendor, pcrp->pci_device,
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pcrp->pci_subsys_vendor,
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pcrp->pci_subsys_card,
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&vendorname, &devicename,
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&svendorname, &subsysname);
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}
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if (svendorname)
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xf86MsgVerb(X_NONE, -verbosity, "%s ", svendorname);
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if (subsysname)
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xf86MsgVerb(X_NONE, -verbosity, "%s ", subsysname);
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if (svendorname && !subsysname) {
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if (pcrp->pci_subsys_card && pcrp->pci_subsys_card != NOSUBSYS) {
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xf86MsgVerb(X_NONE, -verbosity, "unknown card (0x%04x) ",
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pcrp->pci_subsys_card);
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} else {
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xf86MsgVerb(X_NONE, -verbosity, "card ");
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}
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}
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if (!svendorname && !subsysname) {
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/*
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* We didn't find a text representation of the information
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* about the card.
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*/
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if (pcrp->pci_subsys_vendor || pcrp->pci_subsys_card) {
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/*
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* If there was information and we just couldn't interpret
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* it, print it out as unknown, anyway.
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*/
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xf86MsgVerb(X_NONE, -verbosity,
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"unknown card (0x%04x/0x%04x) ",
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pcrp->pci_subsys_vendor, pcrp->pci_subsys_card);
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} else
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noCard = TRUE;
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}
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if (!noCard) {
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prefix1 = "using a ";
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prefix2 = "using an ";
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}
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if (vendorname && devicename) {
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xf86MsgVerb(X_NONE, -verbosity,"%s%s %s\n", prefix1, vendorname,
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devicename);
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} else if (vendorname) {
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xf86MsgVerb(X_NONE, -verbosity,
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"%sunknown chip (DeviceId 0x%04x) from %s\n",
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prefix2, pcrp->pci_device, vendorname);
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} else {
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xf86MsgVerb(X_NONE, -verbosity,
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"%sunknown chipset(0x%04x/0x%04x)\n",
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prefix2, pcrp->pci_vendor, pcrp->pci_device);
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}
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}
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}
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#endif
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