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Diffstat (limited to 'xorg-server/hw/xfree86/os-support/bus/Pci.h')
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/bus/Pci.h | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/os-support/bus/Pci.h b/xorg-server/hw/xfree86/os-support/bus/Pci.h new file mode 100644 index 000000000..557483b9b --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/bus/Pci.h @@ -0,0 +1,269 @@ +/* + * 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(__ia64__)) && 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) + +/* + * 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 + +#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || \ + defined(__DragonFly__) +#define ARCH_PCI_INIT bsdPciInit +#endif + +#if defined(linux) +# define ARCH_PCI_INIT linuxPciInit +# if defined(__m32r__) +# define INCLUDE_XF86_MAP_PCI_MEM +# define INCLUDE_XF86_NO_DOMAIN +# endif +#endif /* defined(linux) */ + + +#if !defined(ARCH_PCI_INIT) +/* + * Select architecture specific PCI init function + */ +#if defined(__i386__) || defined(__i386) || defined(__amd64__) || defined(__amd64) || defined(__x86_64__) +# define ARCH_PCI_INIT ix86PciInit +#elif defined(__powerpc__) || defined(__powerpc64__) +# define ARCH_PCI_INIT ppcPciInit +#elif defined(__sparc__) || defined(sparc) +# define ARCH_PCI_INIT sparcPciInit +# define ARCH_PCI_PCI_BRIDGE sparcPciPciBridge +#endif +#endif /* !defined(ARCH_PCI_INIT) */ + +#ifndef ARCH_PCI_INIT +#error No PCI support available for this architecture/OS combination +#endif + +extern void ARCH_PCI_INIT(void); + +#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 { + ADDRESS (*pciAddrBusToHost)(PCITAG, PciAddrType, ADDRESS); +} 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 */ + pciBusFuncs_p funcs; /* PCI access functions */ + void *pciBusPriv; /* Implementation private data */ + struct pci_device *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 */ +CARD32 pciCfgMech1Read(PCITAG tag, int offset); +void pciCfgMech1Write(PCITAG tag, int offset, CARD32 val); +void pciCfgMech1SetBits(PCITAG tag, int offset, CARD32 mask, + CARD32 val); +ADDRESS pciAddrNOOP(PCITAG tag, PciAddrType type, ADDRESS); + +extern int pciMaxBusNum; + +extern pciBusInfo_t *pciBusInfo[]; + +#endif /* _PCI_H */ |