From 9f986778bd4393c5a9108426969d45aa7f10f334 Mon Sep 17 00:00:00 2001 From: marha Date: Wed, 19 Oct 2011 10:44:43 +0200 Subject: libX11 libXext libXft mesa libxcb mkfontscale pixman xserver xkeyboard-config git update 19 oct 2011 --- xorg-server/hw/xfree86/os-support/bus/linuxPci.c | 450 ----------------------- 1 file changed, 450 deletions(-) delete mode 100644 xorg-server/hw/xfree86/os-support/bus/linuxPci.c (limited to 'xorg-server/hw/xfree86/os-support/bus/linuxPci.c') diff --git a/xorg-server/hw/xfree86/os-support/bus/linuxPci.c b/xorg-server/hw/xfree86/os-support/bus/linuxPci.c deleted file mode 100644 index 77f724bf1..000000000 --- a/xorg-server/hw/xfree86/os-support/bus/linuxPci.c +++ /dev/null @@ -1,450 +0,0 @@ -/* - * 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. - */ - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include -#include "xf86_OSlib.h" -#include "Pci.h" - -static const struct pci_id_match match_host_bridge = { - PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, - (PCI_CLASS_BRIDGE << 16) | (PCI_SUBCLASS_BRIDGE_HOST << 8), - 0x0000ffff00, 0 -}; - -#define MAX_DOMAINS 257 -static pointer DomainMmappedIO[MAX_DOMAINS]; - -void -linuxPciInit(void) -{ - memset(DomainMmappedIO, 0, sizeof(DomainMmappedIO)); -} - -/** - * \bug - * The generation of the procfs file name for the domain != 0 case may not be - * correct. - */ -static int -linuxPciOpenFile(struct pci_device *dev, Bool write) -{ - static struct pci_device *last_dev = NULL; - static int fd = -1,is_write = 0; - char file[64]; - struct stat ignored; - static int is26 = -1; - - if (dev == NULL) { - return -1; - } - - if (is26 == -1) { - is26 = (stat("/sys/bus/pci", &ignored) < 0) ? 0 : 1; - } - - if (fd == -1 || (write && (!is_write)) || (last_dev != dev)) { - if (fd != -1) { - close(fd); - fd = -1; - } - - if (is26) { - sprintf(file,"/sys/bus/pci/devices/%04u:%02x:%02x.%01x/config", - dev->domain, dev->bus, dev->dev, dev->func); - } else { - if (dev->domain == 0) { - sprintf(file,"/proc/bus/pci/%02x", dev->bus); - if (stat(file, &ignored) < 0) { - sprintf(file, "/proc/bus/pci/0000:%02x/%02x.%1x", - dev->bus, dev->dev, dev->func); - } else { - sprintf(file, "/proc/bus/pci/%02x/%02x.%1x", - dev->bus, dev->dev, dev->func); - } - } else { - sprintf(file,"/proc/bus/pci/%02x%02x", dev->domain, dev->bus); - if (stat(file, &ignored) < 0) { - sprintf(file, "/proc/bus/pci/%04x:%04x/%02x.%1x", - dev->domain, dev->bus, dev->dev, dev->func); - } else { - sprintf(file, "/proc/bus/pci/%02x%02x/%02x.%1x", - dev->domain, dev->bus, dev->dev, dev->func); - } - } - } - - if (write) { - fd = open(file,O_RDWR); - if (fd != -1) is_write = TRUE; - } else { - switch (is_write) { - case TRUE: - fd = open(file,O_RDWR); - if (fd > -1) - break; - default: - fd = open(file,O_RDONLY); - is_write = FALSE; - } - } - - last_dev = dev; - } - - return fd; -} - -/* - * Compiling the following simply requires the presence of . - * Actually running this is another matter altogether... - * - * This scheme requires that the kernel allow mmap()'ing of a host bridge's I/O - * and memory spaces through its /proc/bus/pci/BUS/DFN entry. Which one is - * determined by a prior ioctl(). - * - * For the sparc64 port, this means 2.4.12 or later. For ppc, this - * functionality is almost, but not quite there yet. Alpha and other kernel - * ports to multi-domain architectures still need to implement this. - * - * This scheme is also predicated on the use of an IOADDRESS compatible type to - * designate I/O addresses. Although IOADDRESS is defined as an unsigned - * integral type, it is actually the virtual address of, i.e. a pointer to, the - * I/O port to access. And so, the inX/outX macros in "compiler.h" need to be - * #define'd appropriately (as is done on SPARC's). - * - * Another requirement to port this scheme to another multi-domain architecture - * is to add the appropriate entries in the pciControllerSizes array below. - * - * TO DO: Address the deleterious reaction some host bridges have to master - * aborts. This is already done for secondary PCI buses, but not yet - * for accesses to primary buses (except for the SPARC port, where - * master aborts are avoided during PCI scans). - */ - -#include - -#ifndef PCIIOC_BASE /* Ioctls for /proc/bus/pci/X/Y nodes. */ -#define PCIIOC_BASE ('P' << 24 | 'C' << 16 | 'I' << 8) - -/* Get controller for PCI device. */ -#define PCIIOC_CONTROLLER (PCIIOC_BASE | 0x00) -/* Set mmap state to I/O space. */ -#define PCIIOC_MMAP_IS_IO (PCIIOC_BASE | 0x01) -/* Set mmap state to MEM space. */ -#define PCIIOC_MMAP_IS_MEM (PCIIOC_BASE | 0x02) -/* Enable/disable write-combining. */ -#define PCIIOC_WRITE_COMBINE (PCIIOC_BASE | 0x03) - -#endif - -/* This probably shouldn't be Linux-specific */ -static struct pci_device * -get_parent_bridge(struct pci_device *dev) -{ - struct pci_id_match bridge_match = { - PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, - (PCI_CLASS_BRIDGE << 16) | (PCI_SUBCLASS_BRIDGE_PCI << 8), - 0 - }; - struct pci_device *bridge; - struct pci_device_iterator *iter; - - if (dev == NULL) { - return NULL; - } - - iter = pci_id_match_iterator_create(& bridge_match); - if (iter == NULL) { - return NULL; - } - - while ((bridge = pci_device_next(iter)) != NULL) { - if (bridge->domain == dev->domain) { - const struct pci_bridge_info *info = - pci_device_get_bridge_info(bridge); - - if (info != NULL) { - if (info->secondary_bus == dev->bus) { - break; - } - } - } - } - - pci_iterator_destroy(iter); - - return bridge; -} - -/* - * This is ugly, but until I can extract this information from the kernel, - * it'll have to do. The default I/O space size is 64K, and 4G for memory. - * Anything else needs to go in this table. (PowerPC folk take note.) - * - * Note that Linux/SPARC userland is 32-bit, so 4G overflows to zero here. - * - * Please keep this table in ascending vendor/device order. - */ -static const struct pciSizes { - unsigned short vendor, device; - unsigned long io_size, mem_size; -} pciControllerSizes[] = { - { - PCI_VENDOR_SUN, PCI_CHIP_PSYCHO, - 1U << 16, 1U << 31 - }, - { - PCI_VENDOR_SUN, PCI_CHIP_SCHIZO, - 1U << 24, 1U << 31 /* ??? */ - }, - { - PCI_VENDOR_SUN, PCI_CHIP_SABRE, - 1U << 24, (unsigned long)(1ULL << 32) - }, - { - PCI_VENDOR_SUN, PCI_CHIP_HUMMINGBIRD, - 1U << 24, (unsigned long)(1ULL << 32) - } -}; -#define NUM_SIZES (sizeof(pciControllerSizes) / sizeof(pciControllerSizes[0])) - -static const struct pciSizes * -linuxGetSizesStruct(const struct pci_device *dev) -{ - static const struct pciSizes default_size = { - 0, 0, 1U << 16, (unsigned long)(1ULL << 32) - }; - int i; - - /* Look up vendor/device */ - if (dev != NULL) { - for (i = 0; i < NUM_SIZES; i++) { - if ((dev->vendor_id == pciControllerSizes[i].vendor) - && (dev->device_id == pciControllerSizes[i].device)) { - return & pciControllerSizes[i]; - } - } - } - - /* Default to 64KB I/O and 4GB memory. */ - return & default_size; -} - -static __inline__ unsigned long -linuxGetIOSize(const struct pci_device *dev) -{ - const struct pciSizes * const sizes = linuxGetSizesStruct(dev); - return sizes->io_size; -} - -static pointer -linuxMapPci(int ScreenNum, int Flags, struct pci_device *dev, - ADDRESS Base, unsigned long Size, int mmap_ioctl) -{ - /* Align to page boundary */ - const ADDRESS realBase = Base & ~(getpagesize() - 1); - const ADDRESS Offset = Base - realBase; - - do { - unsigned char *result; - int fd, mmapflags, prot; - - xf86InitVidMem(); - - /* If dev is NULL, linuxPciOpenFile will return -1, and this routine - * will fail gracefully. - */ - prot = ((Flags & VIDMEM_READONLY) == 0); - if (((fd = linuxPciOpenFile(dev, prot)) < 0) || - (ioctl(fd, mmap_ioctl, 0) < 0)) - break; - -/* Note: IA-64 doesn't compile this and doesn't need to */ -#ifdef __ia64__ - -# ifndef MAP_WRITECOMBINED -# define MAP_WRITECOMBINED 0x00010000 -# endif -# ifndef MAP_NONCACHED -# define MAP_NONCACHED 0x00020000 -# endif - - if (Flags & VIDMEM_FRAMEBUFFER) - mmapflags = MAP_SHARED | MAP_WRITECOMBINED; - else - mmapflags = MAP_SHARED | MAP_NONCACHED; - -#else /* !__ia64__ */ - - mmapflags = (Flags & VIDMEM_FRAMEBUFFER) / VIDMEM_FRAMEBUFFER; - - if (ioctl(fd, PCIIOC_WRITE_COMBINE, mmapflags) < 0) - break; - - mmapflags = MAP_SHARED; - -#endif /* ?__ia64__ */ - - - if (Flags & VIDMEM_READONLY) - prot = PROT_READ; - else - prot = PROT_READ | PROT_WRITE; - - result = mmap(NULL, Size + Offset, prot, mmapflags, fd, realBase); - - if (!result || ((pointer)result == MAP_FAILED)) - return NULL; - - xf86MakeNewMapping(ScreenNum, Flags, realBase, Size + Offset, result); - - return result + Offset; - } while (0); - - if (mmap_ioctl == PCIIOC_MMAP_IS_MEM) - return xf86MapVidMem(ScreenNum, Flags, Base, Size); - - return NULL; -} - -static int -linuxOpenLegacy(struct pci_device *dev, char *name) -{ - static const char PREFIX[] = "/sys/class/pci_bus/%04x:%02x/%s"; - char path[sizeof(PREFIX) + 10]; - int fd = -1; - - while (dev != NULL) { - snprintf(path, sizeof(path) - 1, PREFIX, dev->domain, dev->bus, name); - fd = open(path, O_RDWR); - if (fd >= 0) { - return fd; - } - - dev = get_parent_bridge(dev); - } - - return fd; -} - -/* - * xf86MapDomainMemory - memory map PCI domain memory - * - * This routine maps the memory region in the domain specified by Tag and - * returns a pointer to it. The pointer is saved for future use if it's in - * the legacy ISA memory space (memory in a domain between 0 and 1MB). - */ -pointer -xf86MapDomainMemory(int ScreenNum, int Flags, struct pci_device *dev, - ADDRESS Base, unsigned long Size) -{ - int fd = -1; - pointer addr; - - /* - * We use /proc/bus/pci on non-legacy addresses or if the Linux sysfs - * legacy_mem interface is unavailable. - */ - if ((Base > 1024*1024) || ((fd = linuxOpenLegacy(dev, "legacy_mem")) < 0)) - return linuxMapPci(ScreenNum, Flags, dev, Base, Size, - PCIIOC_MMAP_IS_MEM); - else - addr = mmap(NULL, Size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, Base); - - if (fd >= 0) - close(fd); - if (addr == NULL || addr == MAP_FAILED) { - perror("mmap failure"); - FatalError("xf86MapDomainMem(): mmap() failure\n"); - } - return addr; -} - -/** - * Map I/O space in this domain - * - * Each domain has a legacy ISA I/O space. This routine will try to - * map it using the Linux sysfs legacy_io interface. If that fails, - * it'll fall back to using /proc/bus/pci. - * - * If the legacy_io interface \b does exist, the file descriptor (\c fd below) - * will be saved in the \c DomainMmappedIO array in the upper bits of the - * pointer. Callers will do I/O with small port numbers (<64k values), so - * the platform I/O code can extract the port number and the \c fd, \c lseek - * to the port number in the legacy_io file, and issue the read or write. - * - * This has no means of returning failure, so all errors are fatal - */ -IOADDRESS -xf86MapLegacyIO(struct pci_device *dev) -{ - const int domain = dev->domain; - struct pci_device *bridge = get_parent_bridge(dev); - int fd; - - if (domain >= MAX_DOMAINS) - FatalError("xf86MapLegacyIO(): domain out of range\n"); - - if (DomainMmappedIO[domain] == NULL) { - /* Permanently map all of I/O space */ - fd = linuxOpenLegacy(bridge, "legacy_io"); - if (fd < 0) { - DomainMmappedIO[domain] = linuxMapPci(-1, VIDMEM_MMIO, bridge, - 0, linuxGetIOSize(bridge), - PCIIOC_MMAP_IS_IO); - } - else { /* legacy_io file exists, encode fd */ - DomainMmappedIO[domain] = (pointer)(intptr_t)(fd << 24); - } - } - - return (IOADDRESS)DomainMmappedIO[domain]; -} - -- cgit v1.2.3