Pci.h revision a2760a4d593af57a19ec32cdfd1723b68495df8c
/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bus/Pci.h,v 1.36 2002/12/23 15:37:26 tsi Exp $ */
/*
* Copyright 1998 by Concurrent Computer Corporation
*
* 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 Concurrent Computer
* Corporation not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Concurrent Computer Corporation makes no representations
* about the suitability of this software for any purpose. It is
* provided "as is" without express or implied warranty.
*
* CONCURRENT COMPUTER CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CONCURRENT COMPUTER CORPORATION 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.
*
* Copyright 1998 by Metro Link Incorporated
*
* 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 Metro Link
* Incorporated not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Metro Link Incorporated makes no representations
* about the suitability of this software for any purpose. It is
* provided "as is" without express or implied warranty.
*
* METRO LINK INCORPORATED DISCLAIMS ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL METRO LINK INCORPORATED 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.
*
* This file is derived in part from the original xf86_PCI.h that included
* following copyright message:
*
* Copyright 1995 by Robin Cutshaw <robin@XFree86.Org>
*
* 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 names of the above listed copyright holder(s)
* not be used in advertising or publicity pertaining to distribution of
* the software without specific, written prior permission. The above listed
* copyright holder(s) make(s) no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM(S) ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) 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.
*
*/
/*
* This file has the private Pci definitions. The public ones are imported
* from xf86Pci.h. Drivers should not use this file.
*/
#ifndef _PCI_H
#define _PCI_H 1
#include "Xarch.h"
#include "Xfuncproto.h"
#include "xf86Pci.h"
#include "xf86PciInfo.h"
/*
* Global Definitions
*/
/* by xf86scanpci */
# define MAX_PCI_DOMAINS 512
# define PCI_DOM_MASK 0x01fful
#else
#endif
#define PCI_NOT_FOUND 0xffffffff
#ifndef PCI_DOM_MASK
# define PCI_DOM_MASK 0x0ffu
#endif
/*
* "b" contains an optional domain number.
*/
(((d) & 0x00001fu) << 11) | \
(((f) & 0x000007u) << 8))
/*
* Macros for bus numbers found in P2P headers.
*/
#define PCI_PRIMARY_BUS_EXTRACT(x, tag) \
#define PCI_SECONDARY_BUS_EXTRACT(x, tag) \
#define PCI_SUBORDINATE_BUS_EXTRACT(x, tag) \
#define PCI_PRIMARY_BUS_INSERT(x, y) \
(((x) & ~PCI_PRIMARY_BUS_MASK ) | (((y) & 0xffu) << 0))
#define PCI_SECONDARY_BUS_INSERT(x, y) \
#define PCI_SUBORDINATE_BUS_INSERT(x, y) \
/* Ditto for CardBus bridges */
#define PCI_CB_PRIMARY_BUS_EXTRACT(x, tag) \
#define PCI_CB_CARDBUS_BUS_EXTRACT(x, tag) \
#define PCI_CB_SUBORDINATE_BUS_EXTRACT(x, tag) \
#define PCI_CB_PRIMARY_BUS_INSERT(x, tag) \
#define PCI_CB_CARDBUS_BUS_INSERT(x, tag) \
#define PCI_CB_SUBORDINATE_BUS_INSERT(x, tag) \
#if X_BYTE_ORDER == X_BIG_ENDIAN
#else
#endif
/*
* Debug Macros/Definitions
*/
#if defined(DEBUGPCI)
if (lvl > xf86Verbose) { \
ErrorF printfargs; \
}
#else /* !defined(DEBUGPCI) */
#endif /* !defined(DEBUGPCI) */
/*
* PCI Config mechanism definitions
*/
#define PCI_EN 0x80000000
#define PCI_CFGMECH1_ADDRESS_REG 0xCF8
#define PCI_CFGMECH1_DATA_REG 0xCFC
#define PCI_CFGMECH1_MAXDEV 32
/*
* Select architecture specific PCI init function
*/
#if defined(__alpha__)
# if defined(linux)
# define ARCH_PCI_INIT axpPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define ARCH_PCI_INIT freebsdPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# elif defined(__NetBSD__)
# define ARCH_PCI_INIT netbsdPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# endif
# if defined(linux)
# define ARCH_PCI_INIT linuxPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# endif
# if defined(linux)
# define ARCH_PCI_INIT linuxPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# endif
# if defined(linux)
# define ARCH_PCI_INIT linuxPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# endif
# define XF86SCANPCI_WRAPPER ia64ScanPCIWrapper
# define ARCH_PCI_INIT ix86PciInit
# define ARCH_PCI_HOST_BRIDGE ix86PciHostBridge
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# if defined(linux)
# define ARCH_PCI_OS_INIT linuxPciInit
# endif
#elif defined(__mc68000__)
# if defined(linux)
# define ARCH_PCI_INIT linuxPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# endif
# if defined(linux)
# define ARCH_PCI_INIT linuxPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# endif
#elif defined(__powerpc__)
# if defined(linux)
# define ARCH_PCI_INIT linuxPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN /* Needs kernel work to remove */
# elif defined(__OpenBSD__)
# define ARCH_PCI_INIT freebsdPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# elif defined(__NetBSD__)
# define ARCH_PCI_INIT netbsdPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# define ARCH_PCI_INIT ppcPciInit
# else
# define ARCH_PCI_INIT ppcPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# endif
# if defined(linux)
# define ARCH_PCI_INIT linuxPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# endif
# if defined(linux)
# define ARCH_PCI_INIT linuxPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# endif
# if defined(linux)
# define ARCH_PCI_INIT linuxPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define ARCH_PCI_INIT sparcPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define ARCH_PCI_INIT freebsdPciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# endif
# define ARCH_PCI_PCI_BRIDGE sparcPciPciBridge
#elif defined(__x86_64__)
# define ARCH_PCI_INIT ix86PciInit
# define INCLUDE_XF86_MAP_PCI_MEM
# define INCLUDE_XF86_NO_DOMAIN
# if defined(linux)
# define ARCH_PCI_OS_INIT linuxPciInit
# endif
#endif
#ifndef ARCH_PCI_INIT
#endif
extern void ARCH_PCI_INIT(void);
#if defined(ARCH_PCI_OS_INIT)
extern void ARCH_PCI_OS_INIT(void);
#endif
#if defined(ARCH_PCI_HOST_BRIDGE)
#endif
#if defined(ARCH_PCI_PCI_BRIDGE)
#endif
#if defined(XF86SCANPCI_WRAPPER)
typedef enum {
#endif
/*
* Table of functions used to access a specific PCI bus domain
* (e.g. a primary PCI bus and all of its secondaries)
*/
typedef struct pci_bus_funcs {
/*
* The next three are optional. If NULL, the corresponding function is
* to be performed generically.
*/
void (*pciGetBridgeBusses)(int, int *, int *, int *);
/* Use pointer's to avoid #include recursion */
/*
* pciBusInfo_t - One structure per defined PCI bus
*/
typedef struct pci_bus_info {
unsigned char configMech; /* PCI config type to use */
unsigned char numDevices; /* Range of valid devnums */
unsigned char secondary; /* Boolean: bus is a secondary */
int primary_bus; /* Parent bus */
#ifdef PowerMAX_OS
unsigned long ppc_io_base; /* PowerPC I/O spc membase */
unsigned long ppc_io_size; /* PowerPC I/O spc size */
#endif
void *pciBusPriv; /* Implementation private data */
} pciBusInfo_t;
/* configMech values */
#define PCI_CFG_MECH_UNKNOWN 0 /* Not yet known */
/* Generic PCI service functions and helpers */
PCITAG pciGenFindFirst(void);
PCITAG pciGenFindNext(void);
extern PCITAG (*pciFindFirstFP)(void);
extern PCITAG (*pciFindNextFP)(void);
extern CARD32 pciDevidMask;
extern int pciMaxBusNum;
extern int pciBusNum;
extern int pciDevNum;
extern int pciFuncNum;
extern PCITAG pciDeviceTag;
extern pciBusInfo_t *pciBusInfo[];
#endif /* _PCI_H */