diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/bus/Pci.h')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/bus/Pci.h | 449 |
1 files changed, 449 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/Pci.h b/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/Pci.h new file mode 100644 index 000000000..70293d3f4 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/Pci.h @@ -0,0 +1,449 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bus/Pci.h,v 1.45 2004/02/02 03:55:31 dawes 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. + * + */ +/* + * Copyright (c) 1999-2003 by The XFree86 Project, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of the copyright holder(s) + * and author(s) shall not be used in advertising or otherwise to promote + * the sale, use or other dealings in this Software without prior written + * authorization from the copyright holder(s) and author(s). + */ + + +/* + * This file has the private Pci definitions. The public ones are imported + * from xf86Pci.h. Drivers should not use this file. + */ +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#ifndef _PCI_H +#define _PCI_H 1 + +#include <X11/Xarch.h> +#include <X11/Xfuncproto.h> +#include "xf86Pci.h" +#include "xf86PciInfo.h" + +/* + * Global Definitions + */ +#define MAX_PCI_DEVICES 128 /* Max number of devices accomodated */ + /* by xf86scanpci */ +#if defined(sun) && defined(SVR4) && defined(sparc) +# define MAX_PCI_BUSES 4096 /* Max number of PCI buses */ +#elif defined(__alpha__) && defined (linux) +# define MAX_PCI_DOMAINS 512 +# define PCI_DOM_MASK 0x01fful +# define MAX_PCI_BUSES (MAX_PCI_DOMAINS*256) /* 256 per domain */ +#else +# define MAX_PCI_BUSES 256 /* Max number of PCI buses */ +#endif + +#define DEVID(vendor, device) \ + ((CARD32)((PCI_##device << 16) | PCI_##vendor)) + +#ifndef PCI_DOM_MASK +# define PCI_DOM_MASK 0x0ffu +#endif +#define PCI_DOMBUS_MASK (((PCI_DOM_MASK) << 8) | 0x0ffu) + +/* + * "b" contains an optional domain number. + */ +#define PCI_MAKE_TAG(b,d,f) ((((b) & (PCI_DOMBUS_MASK)) << 16) | \ + (((d) & 0x00001fu) << 11) | \ + (((f) & 0x000007u) << 8)) + +#define PCI_MAKE_BUS(d,b) ((((d) & (PCI_DOM_MASK)) << 8) | ((b) & 0xffu)) + +#define PCI_DOM_FROM_TAG(tag) (((tag) >> 24) & (PCI_DOM_MASK)) +#define PCI_BUS_FROM_TAG(tag) (((tag) >> 16) & (PCI_DOMBUS_MASK)) +#define PCI_DEV_FROM_TAG(tag) (((tag) & 0x0000f800u) >> 11) +#define PCI_FUNC_FROM_TAG(tag) (((tag) & 0x00000700u) >> 8) + +#define PCI_DFN_FROM_TAG(tag) (((tag) & 0x0000ff00u) >> 8) +#define PCI_BDEV_FROM_TAG(tag) ((tag) & 0x00fff800u) + +#define PCI_DOM_FROM_BUS(bus) (((bus) >> 8) & (PCI_DOM_MASK)) +#define PCI_BUS_NO_DOMAIN(bus) ((bus) & 0xffu) +#define PCI_TAG_NO_DOMAIN(tag) ((tag) & 0x00ffff00u) + +/* + * Macros for bus numbers found in P2P headers. + */ +#define PCI_PRIMARY_BUS_EXTRACT(x, tag) \ + ((((x) & PCI_PRIMARY_BUS_MASK ) >> 0) | (PCI_DOM_FROM_TAG(tag) << 8)) +#define PCI_SECONDARY_BUS_EXTRACT(x, tag) \ + ((((x) & PCI_SECONDARY_BUS_MASK ) >> 8) | (PCI_DOM_FROM_TAG(tag) << 8)) +#define PCI_SUBORDINATE_BUS_EXTRACT(x, tag) \ + ((((x) & PCI_SUBORDINATE_BUS_MASK) >> 16) | (PCI_DOM_FROM_TAG(tag) << 8)) + +#define PCI_PRIMARY_BUS_INSERT(x, y) \ + (((x) & ~PCI_PRIMARY_BUS_MASK ) | (((y) & 0xffu) << 0)) +#define PCI_SECONDARY_BUS_INSERT(x, y) \ + (((x) & ~PCI_SECONDARY_BUS_MASK ) | (((y) & 0xffu) << 8)) +#define PCI_SUBORDINATE_BUS_INSERT(x, y) \ + (((x) & ~PCI_SUBORDINATE_BUS_MASK) | (((y) & 0xffu) << 16)) + +/* Ditto for CardBus bridges */ +#define PCI_CB_PRIMARY_BUS_EXTRACT(x, tag) \ + PCI_PRIMARY_BUS_EXTRACT(x, tag) +#define PCI_CB_CARDBUS_BUS_EXTRACT(x, tag) \ + PCI_SECONDARY_BUS_EXTRACT(x, tag) +#define PCI_CB_SUBORDINATE_BUS_EXTRACT(x, tag) \ + PCI_SUBORDINATE_BUS_EXTRACT(x, tag) + +#define PCI_CB_PRIMARY_BUS_INSERT(x, tag) \ + PCI_PRIMARY_BUS_INSERT(x, tag) +#define PCI_CB_CARDBUS_BUS_INSERT(x, tag) \ + PCI_SECONDARY_BUS_INSERT(x, tag) +#define PCI_CB_SUBORDINATE_BUS_INSERT(x, tag) \ + PCI_SUBORDINATE_BUS_INSERT(x, tag) + +#if X_BYTE_ORDER == X_BIG_ENDIAN +#define PCI_CPU(val) (((val >> 24) & 0x000000ff) | \ + ((val >> 8) & 0x0000ff00) | \ + ((val << 8) & 0x00ff0000) | \ + ((val << 24) & 0xff000000)) +#define PCI_CPU16(val) (((val >> 8) & 0x000000ff) | \ + ((val << 8) & 0x0000ff00)) +#else +#define PCI_CPU(val) (val) +#define PCI_CPU16(val) (val) +#endif + +/* + * Debug Macros/Definitions + */ +/* #define DEBUGPCI 2 */ /* Disable/enable trace in PCI code */ + +#if defined(DEBUGPCI) + +# define PCITRACE(lvl,printfargs) \ + if (lvl > xf86Verbose) { \ + ErrorF printfargs; \ + } + +#else /* !defined(DEBUGPCI) */ + +# define PCITRACE(lvl,printfargs) + +#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 +# elif defined(__FreeBSD__) || 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 +# endif +#elif defined(__arm__) +# if defined(linux) +# define ARCH_PCI_INIT linuxPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# define INCLUDE_XF86_NO_DOMAIN +# endif +#elif defined(__hppa__) +# if defined(linux) +# define ARCH_PCI_INIT linuxPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# define INCLUDE_XF86_NO_DOMAIN +# endif +#elif defined(__ia64__) +# if defined(linux) +# define ARCH_PCI_INIT linuxPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# elif defined(FreeBSD) +# define ARCH_PCI_INIT freebsdPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# define INCLUDE_XF86_NO_DOMAIN +# endif +# define XF86SCANPCI_WRAPPER ia64ScanPCIWrapper +#elif defined(__i386__) || defined(i386) +# 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 +#elif defined(__mc68000__) +# if defined(linux) +# define ARCH_PCI_INIT linuxPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# define INCLUDE_XF86_NO_DOMAIN +# endif +#elif defined(__mips__) +# if defined(linux) +# define ARCH_PCI_INIT linuxPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# define INCLUDE_XF86_NO_DOMAIN +# endif +#elif defined(__powerpc__) || defined(__powerpc64__) +# 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(__FreeBSD__) || 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 +# elif defined(PowerMAX_OS) /* This port is broken */ +# define ARCH_PCI_INIT ppcPciInit +# else +# define ARCH_PCI_INIT ppcPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# define INCLUDE_XF86_NO_DOMAIN +# endif +#elif defined(__s390__) +# if defined(linux) +# define ARCH_PCI_INIT linuxPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# define INCLUDE_XF86_NO_DOMAIN +# endif +#elif defined(__sh__) +# if defined(linux) +# define ARCH_PCI_INIT linuxPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# define INCLUDE_XF86_NO_DOMAIN +# endif +#elif defined(__sparc__) || defined(sparc) +# if defined(linux) +# define ARCH_PCI_INIT linuxPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# elif defined(sun) +# define ARCH_PCI_INIT sparcPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# elif (defined(__OpenBSD__) || defined(__FreeBSD__)) && defined(__sparc64__) +# define ARCH_PCI_INIT freebsdPciInit +# define INCLUDE_XF86_MAP_PCI_MEM +# define INCLUDE_XF86_NO_DOMAIN +# endif +# if !defined(__FreeBSD__) +# define ARCH_PCI_PCI_BRIDGE sparcPciPciBridge +# endif +#elif defined(__amd64__) || defined(__amd64) +# if defined(__FreeBSD__) +# define ARCH_PCI_INIT freebsdPciInit +# else +# define ARCH_PCI_INIT ix86PciInit +# endif +# 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 +#error No PCI support available for this architecture/OS combination +#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_PCI_BRIDGE) +extern void ARCH_PCI_PCI_BRIDGE(pciConfigPtr pPCI); +#endif + +#if defined(XF86SCANPCI_WRAPPER) +typedef enum { + SCANPCI_INIT, + SCANPCI_TERM +} scanpciWrapperOpt; +extern void XF86SCANPCI_WRAPPER(scanpciWrapperOpt flags); +#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 { + CARD32 (*pciReadLong)(PCITAG, int); + void (*pciWriteLong)(PCITAG, int, CARD32); + void (*pciSetBitsLong)(PCITAG, int, CARD32, CARD32); + ADDRESS (*pciAddrHostToBus)(PCITAG, PciAddrType, ADDRESS); + ADDRESS (*pciAddrBusToHost)(PCITAG, PciAddrType, ADDRESS); + /* + * The next three are optional. If NULL, the corresponding function is + * to be performed generically. + */ + CARD16 (*pciControlBridge)(int, CARD16, CARD16); + void (*pciGetBridgeBuses)(int, int *, int *, int *); + /* Use pointer's to avoid #include recursion */ + void (*pciGetBridgeResources)(int, pointer *, pointer *, pointer *); + + /* These are optional and will be implemented using read long + * if not present. */ + CARD8 (*pciReadByte)(PCITAG, int); + void (*pciWriteByte)(PCITAG, int, CARD8); + CARD16 (*pciReadWord)(PCITAG, int); + void (*pciWriteWord)(PCITAG, int, CARD16); + +} pciBusFuncs_t, *pciBusFuncs_p; + +/* + * 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 + pciBusFuncs_p funcs; /* PCI access functions */ + void *pciBusPriv; /* Implementation private data */ + pciConfigPtr bridge; /* bridge that opens this bus */ +} pciBusInfo_t; + +#define HOST_NO_BUS ((pciBusInfo_t *)(-1)) + +/* configMech values */ +#define PCI_CFG_MECH_UNKNOWN 0 /* Not yet known */ +#define PCI_CFG_MECH_1 1 /* Most machines */ +#define PCI_CFG_MECH_2 2 /* Older PC's */ +#define PCI_CFG_MECH_OTHER 3 /* Something else */ + +/* Generic PCI service functions and helpers */ +PCITAG pciGenFindFirst(void); +PCITAG pciGenFindNext(void); +CARD32 pciCfgMech1Read(PCITAG tag, int offset); +void pciCfgMech1Write(PCITAG tag, int offset, CARD32 val); +void pciCfgMech1SetBits(PCITAG tag, int offset, CARD32 mask, + CARD32 val); +CARD32 pciByteSwap(CARD32); +Bool pciMfDev(int, int); +ADDRESS pciAddrNOOP(PCITAG tag, PciAddrType type, ADDRESS); + +extern PCITAG (*pciFindFirstFP)(void); +extern PCITAG (*pciFindNextFP)(void); + +extern CARD32 pciDevid; +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 */ |