haiku/headers/private/shared/pci-utils.h

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/*
* Copyright 2006, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Jérôme Duval
*/
#include <stdio.h>
static void
get_class_info(uint8 pci_class_base_id, uint8 pci_class_sub_id, uint8 pci_class_api_id, char *classInfo, size_t size)
{
if (pci_class_base_id == 0x80)
snprintf(classInfo, size, " (Other)");
else {
PCI_CLASSCODETABLE *foundItem = NULL;
int i;
for (i = 0; i < (int)PCI_CLASSCODETABLE_LEN; i++) {
if ((pci_class_base_id == PciClassCodeTable[i].BaseClass)
&& (pci_class_sub_id == PciClassCodeTable[i].SubClass)) {
foundItem = &PciClassCodeTable[i];
if (pci_class_api_id == PciClassCodeTable[i].ProgIf)
break;
}
}
if (foundItem) {
if (pci_class_sub_id != 0x80)
snprintf(classInfo, size, "%s (%s%s%s)", foundItem->BaseDesc, foundItem->SubDesc,
(foundItem->ProgDesc && strcmp("", foundItem->ProgDesc)) ? ", " : "", foundItem->ProgDesc);
else
snprintf(classInfo, size, "%s", foundItem->BaseDesc);
} else
snprintf(classInfo, size, "%s (%u:%u:%u)", "(Unknown)",
pci_class_base_id, pci_class_sub_id, pci_class_api_id);
}
}
static void
get_vendor_info(uint16 vendorID, const char **venShort, const char **venFull)
{
int i;
for (i = 0; i < (int)PCI_VENTABLE_LEN; i++) {
if (PciVenTable[i].VenId == vendorID) {
if (PciVenTable[i].VenShort && PciVenTable[i].VenFull
&& 0 == strcmp(PciVenTable[i].VenShort, PciVenTable[i].VenFull)) {
*venShort = PciVenTable[i].VenShort[0] ? PciVenTable[i].VenShort : NULL;
*venFull = NULL;
} else {
*venShort = PciVenTable[i].VenShort && PciVenTable[i].VenShort[0] ? PciVenTable[i].VenShort : NULL;
*venFull = PciVenTable[i].VenFull && PciVenTable[i].VenFull[0] ? PciVenTable[i].VenFull : NULL;
}
return;
}
}
*venShort = NULL;
*venFull = NULL;
}
static void
get_device_info(uint16 vendorID, uint16 deviceID,
uint16 subvendorID, uint16 subsystemID, const char **devShort, const char **devFull)
{
int i;
*devShort = NULL;
*devFull = NULL;
// search for the device
for (i = 0; i < (int)PCI_DEVTABLE_LEN; i++) {
if (PciDevTable[i].VenId == vendorID && PciDevTable[i].DevId == deviceID ) {
*devShort = PciDevTable[i].ChipDesc && PciDevTable[i].ChipDesc[0] ? PciDevTable[i].ChipDesc : NULL;
if (PciDevTable[i].SubVenId == 0 || PciDevTable[i].SubDevId == 0)
i++;
break;
}
}
// search for the subsystem eventually
for (; i < (int)PCI_DEVTABLE_LEN; i++) {
if (PciDevTable[i].VenId != vendorID || PciDevTable[i].DevId != deviceID)
break;
if (PciDevTable[i].SubVenId == subvendorID && PciDevTable[i].SubDevId == subsystemID ) {
*devFull = PciDevTable[i].ChipDesc && PciDevTable[i].ChipDesc[0] ? PciDevTable[i].ChipDesc : NULL;
break;
}
}
}