/* * 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_Htypedef 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(void);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