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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
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