?? 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_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
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