factorized pcihdr.h search code

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19273 a95241bf-73f2-0310-859d-f6bbb57e9c96
2006-11-13 20:31:04 +00:00
parent 27f1bb5338
commit 91b1b84abd
5 changed files with 96 additions and 542 deletions
@@ -0,0 +1,86 @@
+/*
+ * 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)
+{
+	if (pci_class_base_id == 0x80)
+		sprintf(classInfo, " (Other)");
+	else {
+		PCI_CLASSCODETABLE *s = PciClassCodeTable, *foundItem = NULL;
+		while (s->BaseDesc) {
+			if ((pci_class_base_id == s->BaseClass) 
+				&& (pci_class_sub_id == s->SubClass)) {
+				foundItem = s;
+				if (pci_class_api_id == s->ProgIf)
+					break;
+			}
+			s++;
+		}
+		if (!s->BaseDesc)
+			s = foundItem;
+		if (pci_class_sub_id != 0x80)
+			sprintf(classInfo, "%s (%s%s%s)", s->BaseDesc, s->SubDesc, 
+				(s->ProgDesc && strcmp("", s->ProgDesc)) ? ", " : "", s->ProgDesc);
+		else
+			sprintf(classInfo, "%s", s->BaseDesc);
+	}
+}
+
+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].Chip && PciDevTable[i].Chip[0] ? PciDevTable[i].Chip : NULL;
+			*devFull = PciDevTable[i].ChipDesc && PciDevTable[i].ChipDesc[0] ? PciDevTable[i].ChipDesc : NULL;
+			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 ) {
+			*devShort = PciDevTable[i].Chip && PciDevTable[i].Chip[0] ? PciDevTable[i].Chip : NULL;
+			*devFull = PciDevTable[i].ChipDesc && PciDevTable[i].ChipDesc[0] ? PciDevTable[i].ChipDesc : NULL;
+			break;
+		}
+	}
+}