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[ipfire-2.x.git] / src / hwinfo / src / int10 / pci.h

diff --git a/src/hwinfo/src/int10/pci.h b/src/hwinfo/src/int10/pci.h
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+++ b/src/hwinfo/src/int10/pci.h
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+/*
+ * Copyright 1999 Egbert Eich
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the authors not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  The authors makes no representations
+ * about the suitability of this software for any purpose.  It is provided
+ * "as is" without express or implied warranty.
+ *
+ * THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+#include "v86bios.h"
+
+#ifndef V86_PCI_H
+#define V86_PCI_H
+
+typedef union {
+       struct {
+               unsigned int    zero:2;
+               unsigned int    reg:6;
+               unsigned int    func:3;
+               unsigned int    dev:5;
+               unsigned int    bus:8;
+               unsigned int    reserved:7;
+               unsigned int    enable:1;
+       } pci;
+       CARD32 l;
+} PciSlot;
+
+typedef struct pciBusRec {
+       CARD8 primary;
+       CARD8 secondary;
+       CARD32 bctl;
+       PciSlot Slot;
+       struct pciBusRec *next;
+       struct pciBusRec *pBus;
+} PciBusRec, *PciBusPtr;
+
+typedef struct pciStructRec {
+       CARD16 VendorID;
+       CARD16 DeviceID;
+       CARD8 Interface;
+       CARD8 BaseClass;
+       CARD8 SubClass;
+       CARD32 RomBase;
+       CARD32 bus;
+       CARD8 dev;
+       CARD8 func;
+       CARD32 cmd_st;
+       int active;
+       PciSlot Slot;
+       struct pciStructRec *next;
+       PciBusPtr pBus;
+} PciStructRec , *PciStructPtr;
+
+
+extern PciStructPtr CurrentPci;
+extern PciStructPtr PciList;
+extern PciStructPtr BootBios;
+extern int pciMaxBus;
+
+extern CARD32 findPci(CARD16 slotBX);
+extern CARD16 pciSlotBX(PciStructPtr);
+PciStructPtr findPciDevice(CARD16 vendorID, CARD16 deviceID, char n);
+PciStructPtr findPciClass(CARD8 intf, CARD8 subClass, CARD16 class, char n);
+
+extern CARD8 PciRead8(int offset, CARD32 slot);
+extern CARD16 PciRead16(int offset, CARD32 slot);
+extern CARD32 PciRead32(int offset, CARD32 slot);
+
+extern void PciWrite8(int offset,CARD8 byte, CARD32 slot);
+extern void PciWrite16(int offset,CARD16 word, CARD32 slot);
+extern void PciWrite32(int offset,CARD32 lg, CARD32 slot);
+
+extern void scan_pci(int);
+extern void pciVideoDisable(void);
+extern void pciVideoRestore(void);
+extern void EnableCurrent(void);
+extern int mapPciRom(PciStructPtr pciP);
+extern int cfg1out(CARD16 addr, CARD32 val);
+extern int cfg1in(CARD16 addr, CARD32 *val);
+extern void list_pci(void);
+extern PciStructPtr findPciByIDs(int bus, int dev, int func);
+
+#define PCI_MODE2_ENABLE_REG  0xCF8
+#define PCI_MODE2_FORWARD_REG  0xCFA
+#define PCI_MODE1_ADDRESS_REG  0xCF8
+#define PCI_MODE1_DATA_REG  0xCFC
+#if defined(__alpha__) || defined(__sparc__)
+#define PCI_EN 0x00000000
+#else
+#define PCI_EN 0x80000000
+#endif
+#define MAX_DEV_PER_VENDOR_CFG1  32
+#define BRIDGE_CLASS(x) (x == 0x06)
+#define BRIDGE_PCI_CLASS(x) (x == 0x04)
+#define BRIDGE_HOST_CLASS(x) (x == 0x00)
+#define PCI_CLASS_PREHISTORIC 0x00
+#define PCI_SUBCLASS_PREHISTORIC_VGA 0x01
+#define PCI_CLASS_DISPLAY 0x03
+#define PCI_SUBCLASS_DISPLAY_VGA 0x00
+#define PCI_SUBCLASS_DISPLAY_XGA 0x01
+#define PCI_SUBCLASS_DISPLAY_MISC 0x80
+#define VIDEO_CLASS(b,s) \
+       (((b) == PCI_CLASS_PREHISTORIC && (s) == PCI_SUBCLASS_PREHISTORIC_VGA) || \
+        ((b) == PCI_CLASS_DISPLAY && (s) == PCI_SUBCLASS_DISPLAY_VGA) ||\
+        ((b) == PCI_CLASS_DISPLAY && (s) == PCI_SUBCLASS_DISPLAY_XGA) ||\
+        ((b) == PCI_CLASS_DISPLAY && (s) == PCI_SUBCLASS_DISPLAY_MISC))
+#define PCI_MULTIFUNC_DEV  0x80
+#define MAX_PCI_DEVICES   64
+#define PCI_MAXBUS 16
+#define PCI_IS_MEM 0x00000001
+#define MAX_PCI_ROM_SIZE (1024 * 1024 * 16)
+
+#define IS_MEM32(x) ((x & 0x7) == 0 && x != 0)
+#define IS_MEM64(x) ((x & 0x7) == 0x4)
+#endif