diff options
Diffstat (limited to 'hw/xfree86/os-support/linux')
| -rw-r--r-- | hw/xfree86/os-support/linux/Makefile.am | 48 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/Makefile.in | 839 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/int10/linux.c | 544 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/int10/vm86/linux_vm86.c | 300 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/lnx_acpi.c | 179 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/lnx_agp.c | 374 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/lnx_apm.c | 198 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/lnx_axp.c | 101 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/lnx_bell.c | 46 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/lnx_ev56.c | 83 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/lnx_init.c | 330 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/lnx_kmod.c | 112 | ||||
| -rw-r--r-- | hw/xfree86/os-support/linux/lnx_video.c | 881 |
13 files changed, 4035 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/linux/Makefile.am b/hw/xfree86/os-support/linux/Makefile.am new file mode 100644 index 0000000..7a82627 --- /dev/null +++ b/hw/xfree86/os-support/linux/Makefile.am @@ -0,0 +1,48 @@ +noinst_LTLIBRARIES = liblinux.la + +if LINUX_IA64 +PLATFORM_PCI_SUPPORT = $(srcdir)/../shared/ia64Pci.c +PLATFORM_INCLUDES = -I$(srcdir)/../shared +endif +if LINUX_ALPHA +noinst_LTLIBRARIES += liblinuxev56.la +PLATFORM_PCI_SUPPORT = \ + $(srcdir)/lnx_axp.c \ + $(srcdir)/../shared/xf86Axp.c + +liblinuxev56_la_CFLAGS = $(AM_CFLAGS) -mcpu=ev56 + +liblinuxev56_la_SOURCES = lnx_ev56.c +endif + +if LNXACPI +ACPI_SRCS = lnx_acpi.c lnx_apm.c +XORG_CFLAGS += -DHAVE_ACPI +endif + +if LNXAPM +APM_SRCS = lnx_apm.c +XORG_CFLAGS += -DHAVE_APM +endif + +liblinux_la_SOURCES = lnx_init.c lnx_video.c \ + lnx_agp.c lnx_kmod.c lnx_bell.c \ + $(srcdir)/../shared/bios_mmap.c \ + $(srcdir)/../shared/VTsw_usl.c \ + $(srcdir)/../shared/posix_tty.c \ + $(srcdir)/../shared/vidmem.c \ + $(srcdir)/../shared/sigio.c \ + $(ACPI_SRCS) \ + $(APM_SRCS) \ + $(PLATFORM_PCI_SUPPORT) + +AM_CFLAGS = -DUSESTDRES -DHAVE_SYSV_IPC $(DIX_CFLAGS) $(XORG_CFLAGS) $(PLATFORM_DEFINES) + +INCLUDES = $(XORG_INCS) $(PLATFORM_INCLUDES) $(LIBDRM_CFLAGS) + +EXTRA_DIST = \ + $(srcdir)/../shared/xf86Axp.h + +if LINUX_ALPHA +liblinux_la_LIBADD = liblinuxev56.la +endif diff --git a/hw/xfree86/os-support/linux/Makefile.in b/hw/xfree86/os-support/linux/Makefile.in new file mode 100644 index 0000000..beea0d0 --- /dev/null +++ b/hw/xfree86/os-support/linux/Makefile.in @@ -0,0 +1,839 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +@LINUX_ALPHA_TRUE@am__append_1 = liblinuxev56.la +@LNXACPI_TRUE@am__append_2 = -DHAVE_ACPI +@LNXAPM_TRUE@am__append_3 = -DHAVE_APM +subdir = hw/xfree86/os-support/linux +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/m4/ac_define_dir.m4 \ + $(top_srcdir)/m4/ax_tls.m4 $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/include/do-not-use-config.h \ + $(top_builddir)/include/xorg-server.h \ + $(top_builddir)/include/dix-config.h \ + $(top_builddir)/include/xorg-config.h \ + $(top_builddir)/include/xkb-config.h \ + $(top_builddir)/include/xwin-config.h \ + $(top_builddir)/include/kdrive-config.h \ + $(top_builddir)/include/version-config.h +CONFIG_CLEAN_FILES = +CONFIG_CLEAN_VPATH_FILES = +LTLIBRARIES = $(noinst_LTLIBRARIES) +@LINUX_ALPHA_TRUE@liblinux_la_DEPENDENCIES = liblinuxev56.la +am__liblinux_la_SOURCES_DIST = lnx_init.c lnx_video.c lnx_agp.c \ + lnx_kmod.c lnx_bell.c $(srcdir)/../shared/bios_mmap.c \ + $(srcdir)/../shared/VTsw_usl.c $(srcdir)/../shared/posix_tty.c \ + $(srcdir)/../shared/vidmem.c $(srcdir)/../shared/sigio.c \ + lnx_acpi.c lnx_apm.c $(srcdir)/lnx_axp.c \ + $(srcdir)/../shared/xf86Axp.c $(srcdir)/../shared/ia64Pci.c +@LNXACPI_TRUE@am__objects_1 = lnx_acpi.lo lnx_apm.lo +@LNXAPM_TRUE@am__objects_2 = lnx_apm.lo +@LINUX_ALPHA_FALSE@@LINUX_IA64_TRUE@am__objects_3 = ia64Pci.lo +@LINUX_ALPHA_TRUE@am__objects_3 = lnx_axp.lo xf86Axp.lo +am_liblinux_la_OBJECTS = lnx_init.lo lnx_video.lo lnx_agp.lo \ + lnx_kmod.lo lnx_bell.lo bios_mmap.lo VTsw_usl.lo posix_tty.lo \ + vidmem.lo sigio.lo $(am__objects_1) $(am__objects_2) \ + $(am__objects_3) +liblinux_la_OBJECTS = $(am_liblinux_la_OBJECTS) +AM_V_lt = $(am__v_lt_$(V)) +am__v_lt_ = $(am__v_lt_$(AM_DEFAULT_VERBOSITY)) +am__v_lt_0 = --silent +liblinuxev56_la_LIBADD = +am__liblinuxev56_la_SOURCES_DIST = lnx_ev56.c +@LINUX_ALPHA_TRUE@am_liblinuxev56_la_OBJECTS = \ +@LINUX_ALPHA_TRUE@ liblinuxev56_la-lnx_ev56.lo +liblinuxev56_la_OBJECTS = $(am_liblinuxev56_la_OBJECTS) +liblinuxev56_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \ + $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \ + $(liblinuxev56_la_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) \ + -o $@ +@LINUX_ALPHA_TRUE@am_liblinuxev56_la_rpath = +DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/include +depcomp = $(SHELL) $(top_srcdir)/depcomp +am__depfiles_maybe = depfiles +am__mv = mv -f +COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ + $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \ + $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \ + $(AM_CFLAGS) $(CFLAGS) +AM_V_CC = $(am__v_CC_$(V)) +am__v_CC_ = $(am__v_CC_$(AM_DEFAULT_VERBOSITY)) +am__v_CC_0 = @echo " CC " $@; +AM_V_at = $(am__v_at_$(V)) +am__v_at_ = $(am__v_at_$(AM_DEFAULT_VERBOSITY)) +am__v_at_0 = @ +CCLD = $(CC) +LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC 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install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-ps install-ps-am \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/hw/xfree86/os-support/linux/int10/linux.c b/hw/xfree86/os-support/linux/int10/linux.c new file mode 100644 index 0000000..2965b37 --- /dev/null +++ b/hw/xfree86/os-support/linux/int10/linux.c @@ -0,0 +1,544 @@ +/* + * linux specific part of the int10 module + * Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2008 Egbert Eich + */ +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "xf86.h" +#include "xf86_OSproc.h" +#include "xf86Pci.h" +#include "compiler.h" +#define _INT10_PRIVATE +#include "xf86int10.h" +#ifdef __sparc__ +#define DEV_MEM "/dev/fb" +#else +#define DEV_MEM "/dev/mem" +#endif +#define ALLOC_ENTRIES(x) ((V_RAM / x) - 1) +#define SHMERRORPTR (pointer)(-1) + +#include <fcntl.h> +#include <errno.h> +#include <sys/mman.h> +#include <sys/ipc.h> +#include <sys/shm.h> +#include <unistd.h> +#include <string.h> + +static int counter = 0; +static unsigned long int10Generation = 0; + +static CARD8 read_b(xf86Int10InfoPtr pInt, int addr); +static CARD16 read_w(xf86Int10InfoPtr pInt, int addr); +static CARD32 read_l(xf86Int10InfoPtr pInt, int addr); +static void write_b(xf86Int10InfoPtr pInt, int addr, CARD8 val); +static void write_w(xf86Int10InfoPtr pInt, int addr, CARD16 val); +static void write_l(xf86Int10InfoPtr pInt, int addr, CARD32 val); + +int10MemRec linuxMem = { + read_b, + read_w, + read_l, + write_b, + write_w, + write_l +}; + +typedef struct { + int lowMem; + int highMem; + char* base; + char* base_high; + int screen; + char* alloc; +} linuxInt10Priv; + +#if defined DoSubModules + +typedef enum { + INT10_NOT_LOADED, + INT10_LOADED_VM86, + INT10_LOADED_X86EMU, + INT10_LOAD_FAILED +} Int10LinuxSubModuleState; + +static Int10LinuxSubModuleState loadedSubModule = INT10_NOT_LOADED; + +static Int10LinuxSubModuleState int10LinuxLoadSubModule(ScrnInfoPtr pScrn); + +#endif /* DoSubModules */ + +xf86Int10InfoPtr +xf86ExtendedInitInt10(int entityIndex, int Flags) +{ + xf86Int10InfoPtr pInt = NULL; + int screen; + int fd; + static void* vidMem = NULL; + static void* sysMem = NULL; + void* vMem = NULL; + void *options = NULL; + int low_mem; + int high_mem = -1; + char *base = SHMERRORPTR; + char *base_high = SHMERRORPTR; + int pagesize; + memType cs; + legacyVGARec vga; + Bool videoBiosMapped = FALSE; + + if (int10Generation != serverGeneration) { + counter = 0; + int10Generation = serverGeneration; + } + + screen = (xf86FindScreenForEntity(entityIndex))->scrnIndex; + + options = xf86HandleInt10Options(xf86Screens[screen],entityIndex); + + if (int10skip(options)) { + free(options); + return NULL; + } + +#if defined DoSubModules + if (loadedSubModule == INT10_NOT_LOADED) + loadedSubModule = int10LinuxLoadSubModule(xf86Screens[screen]); + + if (loadedSubModule == INT10_LOAD_FAILED) + return NULL; +#endif + + if ((!vidMem) || (!sysMem)) { + if ((fd = open(DEV_MEM, O_RDWR, 0)) >= 0) { + if (!sysMem) { + DebugF("Mapping sys bios area\n"); + if ((sysMem = mmap((void *)(SYS_BIOS), BIOS_SIZE, + PROT_READ | PROT_EXEC, + MAP_SHARED | MAP_FIXED, fd, SYS_BIOS)) + == MAP_FAILED) { + xf86DrvMsg(screen, X_ERROR, "Cannot map SYS BIOS\n"); + close(fd); + goto error0; + } + } + if (!vidMem) { + DebugF("Mapping VRAM area\n"); + if ((vidMem = mmap((void *)(V_RAM), VRAM_SIZE, + PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_SHARED | MAP_FIXED, fd, V_RAM)) + == MAP_FAILED) { + xf86DrvMsg(screen, X_ERROR, "Cannot map V_RAM\n"); + close(fd); + goto error0; + } + } + close(fd); + } else { + xf86DrvMsg(screen, X_ERROR, "Cannot open %s\n", DEV_MEM); + goto error0; + } + } + + pInt = (xf86Int10InfoPtr)xnfcalloc(1, sizeof(xf86Int10InfoRec)); + pInt->scrnIndex = screen; + pInt->entityIndex = entityIndex; + pInt->dev = xf86GetPciInfoForEntity(entityIndex); + + if (!xf86Int10ExecSetup(pInt)) + goto error0; + pInt->mem = &linuxMem; + pagesize = getpagesize(); + pInt->private = (pointer)xnfcalloc(1, sizeof(linuxInt10Priv)); + ((linuxInt10Priv*)pInt->private)->screen = screen; + ((linuxInt10Priv*)pInt->private)->alloc = + (pointer)xnfcalloc(1, ALLOC_ENTRIES(pagesize)); + + if (!xf86IsEntityPrimary(entityIndex)) { + DebugF("Mapping high memory area\n"); + if ((high_mem = shmget(counter++, HIGH_MEM_SIZE, + IPC_CREAT | SHM_R | SHM_W)) == -1) { + if (errno == ENOSYS) + xf86DrvMsg(screen, X_ERROR, "shmget error\n Please reconfigure" + " your kernel to include System V IPC support\n"); + else + xf86DrvMsg(screen, X_ERROR, + "shmget(highmem) error: %s\n",strerror(errno)); + goto error1; + } + } else { + DebugF("Mapping Video BIOS\n"); + videoBiosMapped = TRUE; + if ((fd = open(DEV_MEM, O_RDWR, 0)) >= 0) { + if ((vMem = mmap((void *)(V_BIOS), SYS_BIOS - V_BIOS, + PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_SHARED | MAP_FIXED, fd, V_BIOS)) + == MAP_FAILED) { + xf86DrvMsg(screen, X_ERROR, "Cannot map V_BIOS\n"); + close(fd); + goto error1; + } + close (fd); + } else + goto error1; + } + ((linuxInt10Priv*)pInt->private)->highMem = high_mem; + + DebugF("Mapping 640kB area\n"); + if ((low_mem = shmget(counter++, V_RAM, + IPC_CREAT | SHM_R | SHM_W)) == -1) { + xf86DrvMsg(screen, X_ERROR, + "shmget(lowmem) error: %s\n",strerror(errno)); + goto error2; + } + + ((linuxInt10Priv*)pInt->private)->lowMem = low_mem; + base = shmat(low_mem, 0, 0); + if (base == SHMERRORPTR) { + xf86DrvMsg(screen, X_ERROR, + "shmat(low_mem) error: %s\n",strerror(errno)); + goto error3; + } + ((linuxInt10Priv *)pInt->private)->base = base; + if (high_mem > -1) { + base_high = shmat(high_mem, 0, 0); + if (base_high == SHMERRORPTR) { + xf86DrvMsg(screen, X_ERROR, + "shmat(high_mem) error: %s\n",strerror(errno)); + goto error3; + } + ((linuxInt10Priv*)pInt->private)->base_high = base_high; + } else + ((linuxInt10Priv*)pInt->private)->base_high = NULL; + + if (!MapCurrentInt10(pInt)) + goto error3; + + Int10Current = pInt; + + DebugF("Mapping int area\n"); + if (xf86ReadBIOS(0, 0, (unsigned char *)0, LOW_PAGE_SIZE) < 0) { + xf86DrvMsg(screen, X_ERROR, "Cannot read int vect\n"); + goto error3; + } + DebugF("done\n"); + /* + * Read in everything between V_BIOS and SYS_BIOS as some system BIOSes + * have executable code there. Note that xf86ReadBIOS() can only bring in + * 64K bytes at a time. + */ + if (!videoBiosMapped) { + memset((pointer)V_BIOS, 0, SYS_BIOS - V_BIOS); + DebugF("Reading BIOS\n"); + for (cs = V_BIOS; cs < SYS_BIOS; cs += V_BIOS_SIZE) + if (xf86ReadBIOS(cs, 0, (pointer)cs, V_BIOS_SIZE) < V_BIOS_SIZE) + xf86DrvMsg(screen, X_WARNING, + "Unable to retrieve all of segment 0x%06lX.\n", + (long)cs); + DebugF("done\n"); + } + + if (xf86IsEntityPrimary(entityIndex) && !(initPrimary(options))) { + if (!xf86int10GetBiosSegment(pInt, NULL)) + goto error3; + + set_return_trap(pInt); +#ifdef _PC + pInt->Flags = Flags & (SET_BIOS_SCRATCH | RESTORE_BIOS_SCRATCH); + if (! (pInt->Flags & SET_BIOS_SCRATCH)) + pInt->Flags &= ~RESTORE_BIOS_SCRATCH; + xf86Int10SaveRestoreBIOSVars(pInt, TRUE); +#endif + } else { + const BusType location_type = xf86int10GetBiosLocationType(pInt); + + switch (location_type) { + case BUS_PCI: { + int err; + struct pci_device *rom_device = + xf86GetPciInfoForEntity(pInt->entityIndex); + +#if HAVE_PCI_DEVICE_ENABLE + pci_device_enable(rom_device); +#endif + + err = pci_device_read_rom(rom_device, (unsigned char *)(V_BIOS)); + if (err) { + xf86DrvMsg(screen,X_ERROR,"Cannot read V_BIOS (%s)\n", + strerror(err)); + goto error3; + } + + pInt->BIOSseg = V_BIOS >> 4; + break; + } + default: + goto error3; + } + + pInt->num = 0xe6; + reset_int_vect(pInt); + set_return_trap(pInt); + LockLegacyVGA(pInt, &vga); + xf86ExecX86int10(pInt); + UnlockLegacyVGA(pInt, &vga); + } +#ifdef DEBUG + dprint(0xc0000, 0x20); +#endif + + free(options); + return pInt; + +error3: + if (base_high) + shmdt(base_high); + shmdt(base); + shmdt(0); + if (base_high) + shmdt((char*)HIGH_MEM); + shmctl(low_mem, IPC_RMID, NULL); + Int10Current = NULL; +error2: + if (high_mem > -1) + shmctl(high_mem, IPC_RMID,NULL); +error1: + if (vMem) + munmap(vMem, SYS_BIOS - V_BIOS); + free(((linuxInt10Priv*)pInt->private)->alloc); + free(pInt->private); +error0: + free(options); + free(pInt); + return NULL; +} + +Bool +MapCurrentInt10(xf86Int10InfoPtr pInt) +{ + pointer addr; + int fd = -1; + + if (Int10Current) { + shmdt(0); + if (((linuxInt10Priv*)Int10Current->private)->highMem >= 0) + shmdt((char*)HIGH_MEM); + else + munmap((pointer)V_BIOS, (SYS_BIOS - V_BIOS)); + } + addr = shmat(((linuxInt10Priv*)pInt->private)->lowMem, (char*)1, SHM_RND); + if (addr == SHMERRORPTR) { + xf86DrvMsg(pInt->scrnIndex, X_ERROR, "Cannot shmat() low memory\n"); + xf86DrvMsg(pInt->scrnIndex, X_ERROR, + "shmat(low_mem) error: %s\n",strerror(errno)); + return FALSE; + } + if (mprotect((void*)0, V_RAM, PROT_READ|PROT_WRITE|PROT_EXEC) != 0) + xf86DrvMsg(pInt->scrnIndex, X_ERROR, + "Cannot set EXEC bit on low memory: %s\n", strerror(errno)); + + if (((linuxInt10Priv*)pInt->private)->highMem >= 0) { + addr = shmat(((linuxInt10Priv*)pInt->private)->highMem, + (char*)HIGH_MEM, 0); + if (addr == SHMERRORPTR) { + xf86DrvMsg(pInt->scrnIndex, X_ERROR, + "Cannot shmat() high memory\n"); + xf86DrvMsg(pInt->scrnIndex, X_ERROR, + "shmget error: %s\n",strerror(errno)); + return FALSE; + } + if (mprotect((void*)HIGH_MEM, HIGH_MEM_SIZE, + PROT_READ|PROT_WRITE|PROT_EXEC) != 0) + xf86DrvMsg(pInt->scrnIndex, X_ERROR, + "Cannot set EXEC bit on high memory: %s\n", + strerror(errno)); + } else { + if ((fd = open(DEV_MEM, O_RDWR, 0)) >= 0) { + if (mmap((void *)(V_BIOS), SYS_BIOS - V_BIOS, + PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_SHARED | MAP_FIXED, fd, V_BIOS) + == MAP_FAILED) { + xf86DrvMsg(pInt->scrnIndex, X_ERROR, "Cannot map V_BIOS\n"); + close (fd); + return FALSE; + } + } else { + xf86DrvMsg(pInt->scrnIndex, X_ERROR, "Cannot open %s\n",DEV_MEM); + return FALSE; + } + close (fd); + } + + return TRUE; +} + +void +xf86FreeInt10(xf86Int10InfoPtr pInt) +{ + if (!pInt) + return; + +#ifdef _PC + xf86Int10SaveRestoreBIOSVars(pInt, FALSE); +#endif + if (Int10Current == pInt) { + shmdt(0); + if (((linuxInt10Priv*)pInt->private)->highMem >= 0) + shmdt((char*)HIGH_MEM); + else + munmap((pointer)V_BIOS, (SYS_BIOS - V_BIOS)); + Int10Current = NULL; + } + + if (((linuxInt10Priv*)pInt->private)->base_high) + shmdt(((linuxInt10Priv*)pInt->private)->base_high); + shmdt(((linuxInt10Priv*)pInt->private)->base); + shmctl(((linuxInt10Priv*)pInt->private)->lowMem, IPC_RMID, NULL); + if (((linuxInt10Priv*)pInt->private)->highMem >= 0) + shmctl(((linuxInt10Priv*)pInt->private)->highMem, IPC_RMID, NULL); + free(((linuxInt10Priv*)pInt->private)->alloc); + free(pInt->private); + free(pInt); +} + +void * +xf86Int10AllocPages(xf86Int10InfoPtr pInt, int num, int *off) +{ + int pagesize = getpagesize(); + int num_pages = ALLOC_ENTRIES(pagesize); + int i, j; + + for (i = 0; i < (num_pages - num); i++) { + if (((linuxInt10Priv*)pInt->private)->alloc[i] == 0) { + for (j = i; j < (num + i); j++) + if ((((linuxInt10Priv*)pInt->private)->alloc[j] != 0)) + break; + if (j == (num + i)) + break; + else + i = i + num; + } + } + if (i == (num_pages - num)) + return NULL; + + for (j = i; j < (i + num); j++) + ((linuxInt10Priv*)pInt->private)->alloc[j] = 1; + + *off = (i + 1) * pagesize; + + return ((linuxInt10Priv*)pInt->private)->base + ((i + 1) * pagesize); +} + +void +xf86Int10FreePages(xf86Int10InfoPtr pInt, void *pbase, int num) +{ + int pagesize = getpagesize(); + int first = (((unsigned long)pbase + - (unsigned long)((linuxInt10Priv*)pInt->private)->base) + / pagesize) - 1; + int i; + + for (i = first; i < (first + num); i++) + ((linuxInt10Priv*)pInt->private)->alloc[i] = 0; +} + +static CARD8 +read_b(xf86Int10InfoPtr pInt, int addr) +{ + return *((CARD8 *)(memType)addr); +} + +static CARD16 +read_w(xf86Int10InfoPtr pInt, int addr) +{ + return *((CARD16 *)(memType)addr); +} + +static CARD32 +read_l(xf86Int10InfoPtr pInt, int addr) +{ + return *((CARD32 *)(memType)addr); +} + +static void +write_b(xf86Int10InfoPtr pInt, int addr, CARD8 val) +{ + *((CARD8 *)(memType)addr) = val; +} + +static void +write_w(xf86Int10InfoPtr pInt, int addr, CARD16 val) +{ + *((CARD16 *)(memType)addr) = val; +} + +static +void write_l(xf86Int10InfoPtr pInt, int addr, CARD32 val) +{ + *((CARD32 *)(memType) addr) = val; +} + +pointer +xf86int10Addr(xf86Int10InfoPtr pInt, CARD32 addr) +{ + if (addr < V_RAM) + return ((linuxInt10Priv*)pInt->private)->base + addr; + else if (addr < V_BIOS) + return (pointer)(memType)addr; + else if (addr < SYS_BIOS) { + if (((linuxInt10Priv*)pInt->private)->base_high) + return (pointer)(((linuxInt10Priv*)pInt->private)->base_high + - V_BIOS + addr); + else + return (pointer) (memType)addr; + } else + return (pointer) (memType)addr; +} + +#if defined DoSubModules + +static Bool +vm86_tst(void) +{ + int __res; + +#ifdef __PIC__ + /* When compiling with -fPIC, we can't use asm constraint "b" because + %ebx is already taken by gcc. */ + __asm__ __volatile__("pushl %%ebx\n\t" + "movl %2,%%ebx\n\t" + "movl %1,%%eax\n\t" + "int $0x80\n\t" + "popl %%ebx" + :"=a" (__res) + :"n" ((int)113), "r" (NULL)); +#else + __asm__ __volatile__("int $0x80\n\t" + :"=a" (__res):"a" ((int)113), + "b" ((struct vm86_struct *)NULL)); +#endif + + if (__res < 0 && __res == -ENOSYS) + return FALSE; + + return TRUE; +} + +static Int10LinuxSubModuleState +int10LinuxLoadSubModule(ScrnInfoPtr pScrn) +{ + if (vm86_tst()) { + if (xf86LoadSubModule(pScrn,"vm86")) + return INT10_LOADED_VM86; + } + if (xf86LoadSubModule(pScrn,"x86emu")) + return INT10_LOADED_X86EMU; + + return INT10_LOAD_FAILED; +} + +#endif /* DoSubModules */ diff --git a/hw/xfree86/os-support/linux/int10/vm86/linux_vm86.c b/hw/xfree86/os-support/linux/int10/vm86/linux_vm86.c new file mode 100644 index 0000000..34afd95 --- /dev/null +++ b/hw/xfree86/os-support/linux/int10/vm86/linux_vm86.c @@ -0,0 +1,300 @@ +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <errno.h> +#include <string.h> + +#include "xf86.h" +#include "xf86_OSproc.h" +#include "xf86Pci.h" +#include "compiler.h" +#define _INT10_PRIVATE +#include "xf86int10.h" + +#define REG pInt + +#ifdef _VM86_LINUX +#include "int10Defines.h" + +static int vm86_rep(struct vm86_struct *ptr); +static struct vm86_struct vm86_s; + +Bool +xf86Int10ExecSetup(xf86Int10InfoPtr pInt) +{ +#define VM86S ((struct vm86_struct *)pInt->cpuRegs) + + pInt->cpuRegs = &vm86_s; + VM86S->flags = 0; + VM86S->screen_bitmap = 0; + VM86S->cpu_type = CPU_586; + memset(&VM86S->int_revectored, 0xff, sizeof(VM86S->int_revectored)); + memset(&VM86S->int21_revectored, 0xff, sizeof(VM86S->int21_revectored)); + return TRUE; +} + +/* get the linear address */ +#define LIN_PREF_SI ((pref_seg << 4) + X86_SI) +#define LWECX ((prefix66 ^ prefix67) ? X86_ECX : X86_CX) +#define LWECX_ZERO {if (prefix66 ^ prefix67) X86_ECX = 0; else X86_CX = 0;} +#define DF (1 << 10) + +/* vm86 fault handling */ +static Bool +vm86_GP_fault(xf86Int10InfoPtr pInt) +{ + unsigned char *csp, *lina; + CARD32 org_eip; + int pref_seg; + int done, is_rep, prefix66, prefix67; + + csp = lina = SEG_ADR((unsigned char *), X86_CS, IP); + + is_rep = 0; + prefix66 = prefix67 = 0; + pref_seg = -1; + + /* eat up prefixes */ + done = 0; + do { + switch (MEM_RB(pInt, (int)csp++)) { + case 0x66: /* operand prefix */ prefix66=1; break; + case 0x67: /* address prefix */ prefix67=1; break; + case 0x2e: /* CS */ pref_seg=X86_CS; break; + case 0x3e: /* DS */ pref_seg=X86_DS; break; + case 0x26: /* ES */ pref_seg=X86_ES; break; + case 0x36: /* SS */ pref_seg=X86_SS; break; + case 0x65: /* GS */ pref_seg=X86_GS; break; + case 0x64: /* FS */ pref_seg=X86_FS; break; + case 0xf0: /* lock */ break; + case 0xf2: /* repnz */ + case 0xf3: /* rep */ is_rep=1; break; + default: done=1; + } + } while (!done); + csp--; /* oops one too many */ + org_eip = X86_EIP; + X86_IP += (csp - lina); + + switch (MEM_RB(pInt, (int)csp)) { + case 0x6c: /* insb */ + /* NOTE: ES can't be overwritten; prefixes 66,67 should use esi,edi,ecx + * but is anyone using extended regs in real mode? */ + /* WARNING: no test for DI wrapping! */ + X86_EDI += port_rep_inb(pInt, X86_DX, SEG_EADR((CARD32), X86_ES, DI), + X86_FLAGS & DF, is_rep ? LWECX : 1); + if (is_rep) LWECX_ZERO; + X86_IP++; + break; + + case 0x6d: /* (rep) insw / insd */ + /* NOTE: ES can't be overwritten */ + /* WARNING: no test for _DI wrapping! */ + if (prefix66) { + X86_DI += port_rep_inl(pInt, X86_DX, SEG_ADR((CARD32), X86_ES, DI), + X86_EFLAGS & DF, is_rep ? LWECX : 1); + } + else { + X86_DI += port_rep_inw(pInt, X86_DX, SEG_ADR((CARD32), X86_ES, DI), + X86_FLAGS & DF, is_rep ? LWECX : 1); + } + if (is_rep) LWECX_ZERO; + X86_IP++; + break; + + case 0x6e: /* (rep) outsb */ + if (pref_seg < 0) pref_seg = X86_DS; + /* WARNING: no test for _SI wrapping! */ + X86_SI += port_rep_outb(pInt, X86_DX, (CARD32)LIN_PREF_SI, + X86_FLAGS & DF, is_rep ? LWECX : 1); + if (is_rep) LWECX_ZERO; + X86_IP++; + break; + + case 0x6f: /* (rep) outsw / outsd */ + if (pref_seg < 0) pref_seg = X86_DS; + /* WARNING: no test for _SI wrapping! */ + if (prefix66) { + X86_SI += port_rep_outl(pInt, X86_DX, (CARD32)LIN_PREF_SI, + X86_EFLAGS & DF, is_rep ? LWECX : 1); + } + else { + X86_SI += port_rep_outw(pInt, X86_DX, (CARD32)LIN_PREF_SI, + X86_FLAGS & DF, is_rep ? LWECX : 1); + } + if (is_rep) LWECX_ZERO; + X86_IP++; + break; + + case 0xe5: /* inw xx, inl xx */ + if (prefix66) X86_EAX = x_inl(csp[1]); + else X86_AX = x_inw(csp[1]); + X86_IP += 2; + break; + + case 0xe4: /* inb xx */ + X86_AL = x_inb(csp[1]); + X86_IP += 2; + break; + + case 0xed: /* inw dx, inl dx */ + if (prefix66) X86_EAX = x_inl(X86_DX); + else X86_AX = x_inw(X86_DX); + X86_IP += 1; + break; + + case 0xec: /* inb dx */ + X86_AL = x_inb(X86_DX); + X86_IP += 1; + break; + + case 0xe7: /* outw xx */ + if (prefix66) x_outl(csp[1], X86_EAX); + else x_outw(csp[1], X86_AX); + X86_IP += 2; + break; + + case 0xe6: /* outb xx */ + x_outb(csp[1], X86_AL); + X86_IP += 2; + break; + + case 0xef: /* outw dx */ + if (prefix66) x_outl(X86_DX, X86_EAX); + else x_outw(X86_DX, X86_AX); + X86_IP += 1; + break; + + case 0xee: /* outb dx */ + x_outb(X86_DX, X86_AL); + X86_IP += 1; + break; + + case 0xf4: + DebugF("hlt at %p\n", lina); + return FALSE; + + case 0x0f: + xf86DrvMsg(pInt->scrnIndex, X_ERROR, + "CPU 0x0f Trap at CS:EIP=0x%4.4x:0x%8.8lx\n", X86_CS, X86_EIP); + goto op0ferr; + + default: + xf86DrvMsg(pInt->scrnIndex, X_ERROR, "unknown reason for exception\n"); + + op0ferr: + dump_registers(pInt); + stack_trace(pInt); + dump_code(pInt); + xf86DrvMsg(pInt->scrnIndex, X_ERROR, "cannot continue\n"); + return FALSE; + } /* end of switch() */ + return TRUE; +} + +static int +do_vm86(xf86Int10InfoPtr pInt) +{ + int retval, signo; + + xf86InterceptSignals(&signo); + retval = vm86_rep(VM86S); + xf86InterceptSignals(NULL); + + if (signo >= 0) { + xf86DrvMsg(pInt->scrnIndex, X_ERROR, + "vm86() syscall generated signal %d.\n", signo); + dump_registers(pInt); + dump_code(pInt); + stack_trace(pInt); + return 0; + } + + switch (VM86_TYPE(retval)) { + case VM86_UNKNOWN: + if (!vm86_GP_fault(pInt)) return 0; + break; + case VM86_STI: + xf86DrvMsg(pInt->scrnIndex, X_ERROR, "vm86_sti :-((\n"); + dump_registers(pInt); + dump_code(pInt); + stack_trace(pInt); + return 0; + case VM86_INTx: + pInt->num = VM86_ARG(retval); + if (!int_handler(pInt)) { + xf86DrvMsg(pInt->scrnIndex, X_ERROR, + "Unknown vm86_int: 0x%X\n\n", VM86_ARG(retval)); + dump_registers(pInt); + dump_code(pInt); + stack_trace(pInt); + return 0; + } + /* I'm not sure yet what to do if we can handle ints */ + break; + case VM86_SIGNAL: + return 1; + /* + * we used to warn here and bail out - but now the sigio stuff + * always fires signals at us. So we just ignore them for now. + */ + xf86DrvMsg(pInt->scrnIndex, X_WARNING, "received signal\n"); + return 0; + default: + xf86DrvMsg(pInt->scrnIndex, X_ERROR, "unknown type(0x%x)=0x%x\n", + VM86_ARG(retval), VM86_TYPE(retval)); + dump_registers(pInt); + dump_code(pInt); + stack_trace(pInt); + return 0; + } + + return 1; +} + +void +xf86ExecX86int10(xf86Int10InfoPtr pInt) +{ + int sig = setup_int(pInt); + + if (int_handler(pInt)) + while(do_vm86(pInt)) {}; + + finish_int(pInt, sig); +} + +static int +vm86_rep(struct vm86_struct *ptr) +{ + int __res; + +#ifdef __PIC__ + /* When compiling with -fPIC, we can't use asm constraint "b" because + %ebx is already taken by gcc. */ + __asm__ __volatile__("pushl %%ebx\n\t" + "push %%gs\n\t" + "movl %2,%%ebx\n\t" + "movl %1,%%eax\n\t" + "int $0x80\n\t" + "pop %%gs\n\t" + "popl %%ebx" + :"=a" (__res) + :"n" ((int)113), "r" ((struct vm86_struct *)ptr)); +#else + __asm__ __volatile__("push %%gs\n\t" + "int $0x80\n\t" + "pop %%gs" + :"=a" (__res):"a" ((int)113), + "b" ((struct vm86_struct *)ptr)); +#endif + + if (__res < 0) { + errno = -__res; + __res = -1; + } + else errno = 0; + return __res; +} + +#endif diff --git a/hw/xfree86/os-support/linux/lnx_acpi.c b/hw/xfree86/os-support/linux/lnx_acpi.c new file mode 100644 index 0000000..5fad194 --- /dev/null +++ b/hw/xfree86/os-support/linux/lnx_acpi.c @@ -0,0 +1,179 @@ +#ifdef HAVE_XORG_CONFIG_H +#include "xorg-config.h" +#endif + +#include "os.h" +#include "xf86.h" +#include "xf86Priv.h" +#define XF86_OS_PRIVS +#include "xf86_OSproc.h" +#include <sys/ioctl.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> + +#define ACPI_SOCKET "/var/run/acpid.socket" + +#define ACPI_VIDEO_NOTIFY_SWITCH 0x80 +#define ACPI_VIDEO_NOTIFY_PROBE 0x81 +#define ACPI_VIDEO_NOTIFY_CYCLE 0x82 +#define ACPI_VIDEO_NOTIFY_NEXT_OUTPUT 0x83 +#define ACPI_VIDEO_NOTIFY_PREV_OUTPUT 0x84 + +#define ACPI_VIDEO_NOTIFY_CYCLE_BRIGHTNESS 0x85 +#define ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS 0x86 +#define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS 0x87 +#define ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS 0x88 +#define ACPI_VIDEO_NOTIFY_DISPLAY_OFF 0x89 + +#define ACPI_VIDEO_HEAD_INVALID (~0u - 1) +#define ACPI_VIDEO_HEAD_END (~0u) + +static void lnxCloseACPI(void); +static pointer ACPIihPtr = NULL; +PMClose lnxACPIOpen(void); + +/* in milliseconds */ +#define ACPI_REOPEN_DELAY 1000 + +static CARD32 +lnxACPIReopen(OsTimerPtr timer, CARD32 time, pointer arg) +{ + if (lnxACPIOpen()) { + TimerFree(timer); + return 0; + } + + return ACPI_REOPEN_DELAY; +} + +#define LINE_LENGTH 80 + +static int +lnxACPIGetEventFromOs(int fd, pmEvent *events, int num) +{ + char ev[LINE_LENGTH]; + int n; + + memset(ev, 0, LINE_LENGTH); + + do { + n = read( fd, ev, LINE_LENGTH ); + } while ((n == -1) && (errno == EAGAIN || errno == EINTR)); + + if (n <= 0) { + lnxCloseACPI(); + TimerSet(NULL, 0, ACPI_REOPEN_DELAY, lnxACPIReopen, NULL); + return 0; + } + /* FIXME: this only processes the first read ACPI event & might break + * with interrupted reads. */ + + /* Check that we have a video event */ + if (!strncmp(ev, "video", 5)) { + char *video = NULL; + char *GFX = NULL; + char *notify = NULL; + char *data = NULL; /* doesn't appear to be used in the kernel */ + unsigned long int notify_l, data_l; + + video = strtok(ev, " "); + + GFX = strtok(NULL, " "); +#if 0 + ErrorF("GFX: %s\n",GFX); +#endif + + notify = strtok(NULL, " "); + notify_l = strtoul(notify, NULL, 16); +#if 0 + ErrorF("notify: 0x%lx\n",notify_l); +#endif + + data = strtok(NULL, " "); + data_l = strtoul(data, NULL, 16); +#if 0 + ErrorF("data: 0x%lx\n",data_l); +#endif + + /* Differentiate between events */ + switch (notify_l) { + case ACPI_VIDEO_NOTIFY_SWITCH: + case ACPI_VIDEO_NOTIFY_CYCLE: + case ACPI_VIDEO_NOTIFY_NEXT_OUTPUT: + case ACPI_VIDEO_NOTIFY_PREV_OUTPUT: + events[0] = XF86_APM_CAPABILITY_CHANGED; + return 1; + case ACPI_VIDEO_NOTIFY_PROBE: + return 0; + default: + return 0; + } + } + + return 0; +} + +static pmWait +lnxACPIConfirmEventToOs(int fd, pmEvent event) +{ + /* No ability to send back to the kernel in ACPI */ + switch (event) { + default: + return PM_NONE; + } +} + +PMClose +lnxACPIOpen(void) +{ + int fd; + struct sockaddr_un addr; + int r = -1; + static int warned = 0; + + DebugF("ACPI: OSPMOpen called\n"); + if (ACPIihPtr || !xf86Info.pmFlag) + return NULL; + + DebugF("ACPI: Opening device\n"); + if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) > -1) { + memset(&addr, 0, sizeof(addr)); + addr.sun_family = AF_UNIX; + strcpy(addr.sun_path, ACPI_SOCKET); + if ((r = connect(fd, (struct sockaddr*)&addr, sizeof(addr))) == -1) { + if (!warned) + xf86MsgVerb(X_WARNING,3,"Open ACPI failed (%s) (%s)\n", + ACPI_SOCKET, strerror(errno)); + warned = 1; + shutdown(fd, 2); + close(fd); + return NULL; + } + } + + xf86PMGetEventFromOs = lnxACPIGetEventFromOs; + xf86PMConfirmEventToOs = lnxACPIConfirmEventToOs; + ACPIihPtr = xf86AddGeneralHandler(fd,xf86HandlePMEvents,NULL); + xf86MsgVerb(X_INFO,3,"Open ACPI successful (%s)\n", ACPI_SOCKET); + warned = 0; + + return lnxCloseACPI; +} + +static void +lnxCloseACPI(void) +{ + int fd; + + DebugF("ACPI: Closing device\n"); + if (ACPIihPtr) { + fd = xf86RemoveGeneralHandler(ACPIihPtr); + shutdown(fd, 2); + close(fd); + ACPIihPtr = NULL; + } +} diff --git a/hw/xfree86/os-support/linux/lnx_agp.c b/hw/xfree86/os-support/linux/lnx_agp.c new file mode 100644 index 0000000..a5f0411 --- /dev/null +++ b/hw/xfree86/os-support/linux/lnx_agp.c @@ -0,0 +1,374 @@ +/* + * Abstraction of the AGP GART interface. + * + * This version is for Linux and Free/Open/NetBSD. + * + * Copyright © 2000 VA Linux Systems, Inc. + * Copyright © 2001 The XFree86 Project, Inc. + */ + + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <X11/X.h> +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" +#include "xf86OSpriv.h" + +#if defined(linux) +#include <asm/ioctl.h> +#include <linux/agpgart.h> +#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) +#include <sys/ioctl.h> +#include <sys/agpio.h> +#endif + +#ifndef AGP_DEVICE +#define AGP_DEVICE "/dev/agpgart" +#endif +/* AGP page size is independent of the host page size. */ +#ifndef AGP_PAGE_SIZE +#define AGP_PAGE_SIZE 4096 +#endif +#define AGPGART_MAJOR_VERSION 0 +#define AGPGART_MINOR_VERSION 99 + +static int gartFd = -1; +static int acquiredScreen = -1; +static Bool initDone = FALSE; +/* + * Close /dev/agpgart. This frees all associated memory allocated during + * this server generation. + */ +Bool +xf86GARTCloseScreen(int screenNum) +{ + if(gartFd != -1) { + close(gartFd); + acquiredScreen = -1; + gartFd = -1; + initDone = FALSE; + } + return TRUE; +} + +/* + * Open /dev/agpgart. Keep it open until xf86GARTCloseScreen is called. + */ +static Bool +GARTInit(int screenNum) +{ + struct _agp_info agpinf; + + if (initDone) + return gartFd != -1; + + initDone = TRUE; + + if (gartFd == -1) + gartFd = open(AGP_DEVICE, O_RDWR, 0); + else + return FALSE; + + if (gartFd == -1) { + xf86DrvMsg(screenNum, X_ERROR, + "GARTInit: Unable to open " AGP_DEVICE " (%s)\n", + strerror(errno)); + return FALSE; + } + + xf86AcquireGART(-1); + /* Check the kernel driver version. */ + if (ioctl(gartFd, AGPIOC_INFO, &agpinf) != 0) { + xf86DrvMsg(screenNum, X_ERROR, + "GARTInit: AGPIOC_INFO failed (%s)\n", strerror(errno)); + close(gartFd); + gartFd = -1; + return FALSE; + } + xf86ReleaseGART(-1); + +#if defined(linux) + /* Per Dave Jones, every effort will be made to keep the + * agpgart interface backwards compatible, so allow all + * future versions. + */ + if ( +#if (AGPGART_MAJOR_VERSION > 0) /* quiet compiler */ + agpinf.version.major < AGPGART_MAJOR_VERSION || +#endif + (agpinf.version.major == AGPGART_MAJOR_VERSION && + agpinf.version.minor < AGPGART_MINOR_VERSION)) { + xf86DrvMsg(screenNum, X_ERROR, + "GARTInit: Kernel agpgart driver version is not current" + " (%d.%d vs %d.%d)\n", + agpinf.version.major, agpinf.version.minor, + AGPGART_MAJOR_VERSION, AGPGART_MINOR_VERSION); + close(gartFd); + gartFd = -1; + return FALSE; + } +#endif + + return TRUE; +} + +Bool +xf86AgpGARTSupported(void) +{ + return GARTInit(-1); +} + +AgpInfoPtr +xf86GetAGPInfo(int screenNum) +{ + struct _agp_info agpinf; + AgpInfoPtr info; + + if (!GARTInit(screenNum)) + return NULL; + + + if ((info = calloc(sizeof(AgpInfo), 1)) == NULL) { + xf86DrvMsg(screenNum, X_ERROR, + "xf86GetAGPInfo: Failed to allocate AgpInfo\n"); + return NULL; + } + + memset((char*)&agpinf, 0, sizeof(agpinf)); + + if (ioctl(gartFd, AGPIOC_INFO, &agpinf) != 0) { + xf86DrvMsg(screenNum, X_ERROR, + "xf86GetAGPInfo: AGPIOC_INFO failed (%s)\n", + strerror(errno)); + return NULL; + } + + info->bridgeId = agpinf.bridge_id; + info->agpMode = agpinf.agp_mode; + info->base = agpinf.aper_base; + info->size = agpinf.aper_size; + info->totalPages = agpinf.pg_total; + info->systemPages = agpinf.pg_system; + info->usedPages = agpinf.pg_used; + + xf86DrvMsg(screenNum, X_INFO, "Kernel reported %zu total, %zu used\n", agpinf.pg_total, agpinf.pg_used); + + return info; +} + +/* + * XXX If multiple screens can acquire the GART, should we have a reference + * count instead of using acquiredScreen? + */ + +Bool +xf86AcquireGART(int screenNum) +{ + if (screenNum != -1 && !GARTInit(screenNum)) + return FALSE; + + if (screenNum == -1 || acquiredScreen != screenNum) { + if (ioctl(gartFd, AGPIOC_ACQUIRE, 0) != 0) { + xf86DrvMsg(screenNum, X_WARNING, + "xf86AcquireGART: AGPIOC_ACQUIRE failed (%s)\n", + strerror(errno)); + return FALSE; + } + acquiredScreen = screenNum; + } + return TRUE; +} + +Bool +xf86ReleaseGART(int screenNum) +{ + if (screenNum != -1 && !GARTInit(screenNum)) + return FALSE; + + if (acquiredScreen == screenNum) { + /* + * The FreeBSD agp driver removes allocations on release. + * The Linux driver doesn't. xf86ReleaseGART() is expected + * to give up access to the GART, but not to remove any + * allocations. + */ +#if !defined(linux) + if (screenNum == -1) +#endif + { + if (ioctl(gartFd, AGPIOC_RELEASE, 0) != 0) { + xf86DrvMsg(screenNum, X_WARNING, + "xf86ReleaseGART: AGPIOC_RELEASE failed (%s)\n", + strerror(errno)); + return FALSE; + } + acquiredScreen = -1; + } + return TRUE; + } + return FALSE; +} + +int +xf86AllocateGARTMemory(int screenNum, unsigned long size, int type, + unsigned long *physical) +{ + struct _agp_allocate alloc; + int pages; + + /* + * Allocates "size" bytes of GART memory (rounds up to the next + * page multiple) or type "type". A handle (key) for the allocated + * memory is returned. On error, the return value is -1. + */ + + if (!GARTInit(screenNum) || acquiredScreen != screenNum) + return -1; + + pages = (size / AGP_PAGE_SIZE); + if (size % AGP_PAGE_SIZE != 0) + pages++; + + /* XXX check for pages == 0? */ + + alloc.pg_count = pages; + alloc.type = type; + + if (ioctl(gartFd, AGPIOC_ALLOCATE, &alloc) != 0) { + xf86DrvMsg(screenNum, X_WARNING, "xf86AllocateGARTMemory: " + "allocation of %d pages failed\n\t(%s)\n", pages, + strerror(errno)); + return -1; + } + + if (physical) + *physical = alloc.physical; + + return alloc.key; +} + +Bool +xf86DeallocateGARTMemory(int screenNum, int key) +{ + if (!GARTInit(screenNum) || acquiredScreen != screenNum) + return FALSE; + + if (acquiredScreen != screenNum) { + xf86DrvMsg(screenNum, X_ERROR, + "xf86UnbindGARTMemory: AGP not acquired by this screen\n"); + return FALSE; + } + +#ifdef __linux__ + if (ioctl(gartFd, AGPIOC_DEALLOCATE, (int *)(uintptr_t)key) != 0) { +#else + if (ioctl(gartFd, AGPIOC_DEALLOCATE, &key) != 0) { +#endif + xf86DrvMsg(screenNum, X_WARNING,"xf86DeAllocateGARTMemory: " + "deallocation gart memory with key %d failed\n\t(%s)\n", + key, strerror(errno)); + return FALSE; + } + + return TRUE; +} + +/* Bind GART memory with "key" at "offset" */ +Bool +xf86BindGARTMemory(int screenNum, int key, unsigned long offset) +{ + struct _agp_bind bind; + int pageOffset; + + if (!GARTInit(screenNum) || acquiredScreen != screenNum) + return FALSE; + + if (acquiredScreen != screenNum) { + xf86DrvMsg(screenNum, X_ERROR, + "xf86BindGARTMemory: AGP not acquired by this screen\n"); + return FALSE; + } + + if (offset % AGP_PAGE_SIZE != 0) { + xf86DrvMsg(screenNum, X_WARNING, "xf86BindGARTMemory: " + "offset (0x%lx) is not page-aligned (%d)\n", + offset, AGP_PAGE_SIZE); + return FALSE; + } + pageOffset = offset / AGP_PAGE_SIZE; + + xf86DrvMsgVerb(screenNum, X_INFO, 3, + "xf86BindGARTMemory: bind key %d at 0x%08lx " + "(pgoffset %d)\n", key, offset, pageOffset); + + bind.pg_start = pageOffset; + bind.key = key; + + if (ioctl(gartFd, AGPIOC_BIND, &bind) != 0) { + xf86DrvMsg(screenNum, X_WARNING, "xf86BindGARTMemory: " + "binding of gart memory with key %d\n" + "\tat offset 0x%lx failed (%s)\n", + key, offset, strerror(errno)); + return FALSE; + } + + return TRUE; +} + + +/* Unbind GART memory with "key" */ +Bool +xf86UnbindGARTMemory(int screenNum, int key) +{ + struct _agp_unbind unbind; + + if (!GARTInit(screenNum) || acquiredScreen != screenNum) + return FALSE; + + if (acquiredScreen != screenNum) { + xf86DrvMsg(screenNum, X_ERROR, + "xf86UnbindGARTMemory: AGP not acquired by this screen\n"); + return FALSE; + } + + unbind.priority = 0; + unbind.key = key; + + if (ioctl(gartFd, AGPIOC_UNBIND, &unbind) != 0) { + xf86DrvMsg(screenNum, X_WARNING, "xf86UnbindGARTMemory: " + "unbinding of gart memory with key %d " + "failed (%s)\n", key, strerror(errno)); + return FALSE; + } + + xf86DrvMsgVerb(screenNum, X_INFO, 3, + "xf86UnbindGARTMemory: unbind key %d\n", key); + + return TRUE; +} + + +/* XXX Interface may change. */ +Bool +xf86EnableAGP(int screenNum, CARD32 mode) +{ + agp_setup setup; + + if (!GARTInit(screenNum) || acquiredScreen != screenNum) + return FALSE; + + setup.agp_mode = mode; + if (ioctl(gartFd, AGPIOC_SETUP, &setup) != 0) { + xf86DrvMsg(screenNum, X_WARNING, "xf86EnableAGP: " + "AGPIOC_SETUP with mode %ld failed (%s)\n", + (unsigned long)mode, strerror(errno)); + return FALSE; + } + + return TRUE; +} + diff --git a/hw/xfree86/os-support/linux/lnx_apm.c b/hw/xfree86/os-support/linux/lnx_apm.c new file mode 100644 index 0000000..54c6989 --- /dev/null +++ b/hw/xfree86/os-support/linux/lnx_apm.c @@ -0,0 +1,198 @@ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <X11/X.h> +#include "os.h" +#include "xf86.h" +#include "xf86Priv.h" +#define XF86_OS_PRIVS +#include "xf86_OSproc.h" + +#ifdef HAVE_ACPI +extern PMClose lnxACPIOpen(void); +#endif + +#ifdef HAVE_APM + +#include <linux/apm_bios.h> +#include <unistd.h> +#include <sys/ioctl.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <errno.h> + +#define APM_PROC "/proc/apm" +#define APM_DEVICE "/dev/apm_bios" + +#ifndef APM_STANDBY_FAILED +# define APM_STANDBY_FAILED 0xf000 +#endif +#ifndef APM_SUSPEND_FAILED +# define APM_SUSPEND_FAILED 0xf001 +#endif + +static PMClose lnxAPMOpen(void); +static void lnxCloseAPM(void); +static pointer APMihPtr = NULL; + +static struct { + apm_event_t apmLinux; + pmEvent xf86; +} LinuxToXF86[] = { + { APM_SYS_STANDBY, XF86_APM_SYS_STANDBY }, + { APM_SYS_SUSPEND, XF86_APM_SYS_SUSPEND }, + { APM_NORMAL_RESUME, XF86_APM_NORMAL_RESUME }, + { APM_CRITICAL_RESUME, XF86_APM_CRITICAL_RESUME }, + { APM_LOW_BATTERY, XF86_APM_LOW_BATTERY }, + { APM_POWER_STATUS_CHANGE, XF86_APM_POWER_STATUS_CHANGE }, + { APM_UPDATE_TIME, XF86_APM_UPDATE_TIME }, + { APM_CRITICAL_SUSPEND, XF86_APM_CRITICAL_SUSPEND }, + { APM_USER_STANDBY, XF86_APM_USER_STANDBY }, + { APM_USER_SUSPEND, XF86_APM_USER_SUSPEND }, + { APM_STANDBY_RESUME, XF86_APM_STANDBY_RESUME }, +#if defined(APM_CAPABILITY_CHANGED) + { APM_CAPABILITY_CHANGED, XF86_CAPABILITY_CHANGED }, +#endif +#if 0 + { APM_STANDBY_FAILED, XF86_APM_STANDBY_FAILED }, + { APM_SUSPEND_FAILED, XF86_APM_SUSPEND_FAILED } +#endif +}; + +#define numApmEvents (sizeof(LinuxToXF86) / sizeof(LinuxToXF86[0])) + +/* + * APM is still under construction. + * I'm not sure if the places where I initialize/deinitialize + * apm is correct. Also I don't know what to do in SETUP state. + * This depends if wakeup gets called in this situation, too. + * Also we need to check if the action that is taken on an + * event is reasonable. + */ +static int +lnxPMGetEventFromOs(int fd, pmEvent *events, int num) +{ + int i,j,n; + apm_event_t linuxEvents[8]; + + if ((n = read( fd, linuxEvents, num * sizeof(apm_event_t) )) == -1) + return 0; + n /= sizeof(apm_event_t); + if (n > num) + n = num; + for (i = 0; i < n; i++) { + for (j = 0; j < numApmEvents; j++) + if (LinuxToXF86[j].apmLinux == linuxEvents[i]) { + events[i] = LinuxToXF86[j].xf86; + break; + } + if (j == numApmEvents) + events[i] = XF86_APM_UNKNOWN; + } + return n; +} + +static pmWait +lnxPMConfirmEventToOs(int fd, pmEvent event) +{ + switch (event) { + case XF86_APM_SYS_STANDBY: + case XF86_APM_USER_STANDBY: + if (ioctl( fd, APM_IOC_STANDBY, NULL )) + return PM_FAILED; + return PM_CONTINUE; + case XF86_APM_SYS_SUSPEND: + case XF86_APM_CRITICAL_SUSPEND: + case XF86_APM_USER_SUSPEND: + if (ioctl( fd, APM_IOC_SUSPEND, NULL )) { + /* I believe this is wrong (EE) + EBUSY is sent when a device refuses to be suspended. + In this case we still need to undo everything we have + done to suspend ourselves or we will stay in suspended + state forever. */ + if (errno == EBUSY) + return PM_CONTINUE; + else + return PM_FAILED; + } + return PM_CONTINUE; + case XF86_APM_STANDBY_RESUME: + case XF86_APM_NORMAL_RESUME: + case XF86_APM_CRITICAL_RESUME: + case XF86_APM_STANDBY_FAILED: + case XF86_APM_SUSPEND_FAILED: + return PM_CONTINUE; + default: + return PM_NONE; + } +} + +#endif // HAVE_APM + +PMClose +xf86OSPMOpen(void) +{ + PMClose ret = NULL; + +#ifdef HAVE_ACPI + /* Favour ACPI over APM, but only when enabled */ + + if (!xf86acpiDisableFlag) + ret = lnxACPIOpen(); + + if (!ret) +#endif +#ifdef HAVE_APM + ret = lnxAPMOpen(); +#endif + + return ret; +} + +#ifdef HAVE_APM + +static PMClose +lnxAPMOpen(void) +{ + int fd, pfd; + + DebugF("APM: OSPMOpen called\n"); + if (APMihPtr || !xf86Info.pmFlag) + return NULL; + + DebugF("APM: Opening device\n"); + if ((fd = open( APM_DEVICE, O_RDWR )) > -1) { + if (access( APM_PROC, R_OK ) || + ((pfd = open( APM_PROC, O_RDONLY)) == -1)) { + xf86MsgVerb(X_WARNING,3,"Cannot open APM (%s) (%s)\n", + APM_PROC, strerror(errno)); + close(fd); + return NULL; + } else + close(pfd); + xf86PMGetEventFromOs = lnxPMGetEventFromOs; + xf86PMConfirmEventToOs = lnxPMConfirmEventToOs; + APMihPtr = xf86AddGeneralHandler(fd, xf86HandlePMEvents, NULL); + xf86MsgVerb(X_INFO,3,"Open APM successful\n"); + return lnxCloseAPM; + } + return NULL; +} + +static void +lnxCloseAPM(void) +{ + int fd; + + DebugF("APM: Closing device\n"); + if (APMihPtr) { + fd = xf86RemoveGeneralHandler(APMihPtr); + close(fd); + APMihPtr = NULL; + } +} + +#endif // HAVE_APM diff --git a/hw/xfree86/os-support/linux/lnx_axp.c b/hw/xfree86/os-support/linux/lnx_axp.c new file mode 100644 index 0000000..10fd9e8 --- /dev/null +++ b/hw/xfree86/os-support/linux/lnx_axp.c @@ -0,0 +1,101 @@ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <stdio.h> +#include "xf86.h" +#include "shared/xf86Axp.h" + +axpDevice lnxGetAXP(void); + +typedef struct + { char* sysName; + char* sysVari; + char* cpu; + axpDevice sys; } +AXP; + +static AXP axpList[] = { + { "Tsunami", NULL, NULL, TSUNAMI }, + { "Eiger", NULL, NULL, TSUNAMI }, + {"Noname", NULL, NULL, LCA }, + { "AlphaBook1", NULL, NULL, LCA }, + {"EB66", NULL, NULL, LCA}, + {"EB64+",NULL,NULL, APECS}, + {"Noritake",NULL,"EV5",CIA}, + {"Noritake",NULL,"EV56",CIA}, + {"Noritake",NULL,NULL,APECS}, + {"XL",NULL,NULL,APECS}, + {"Avanti",NULL,NULL,APECS}, + {"Mikasa",NULL,"EV5",CIA}, + {"Mikasa",NULL,"EV56",CIA}, + {"Mikasa",NULL,NULL,APECS}, + {"EB164","EB164",NULL,CIA}, + {"EB164","PC164", NULL,CIA}, + {"EB164","LX164",NULL, PYXIS}, + {"EB164","SX164",NULL, PYXIS}, + {"EB164","RX164",NULL, POLARIS}, + {"Alcor",NULL,NULL,CIA}, + {"Takara",NULL,NULL,CIA}, + {"Sable",NULL, "EV5",T2_GAMMA}, + {"Sable",NULL,"EV56",T2_GAMMA}, + {"Sable",NULL,NULL,T2}, + {"Rawhide",NULL,NULL,MCPCIA}, + {"Jensen",NULL,NULL,JENSEN}, + {"Miata",NULL,NULL,PYXIS_CIA}, + {"Ruffian",NULL,NULL,PYXIS_CIA}, + {"Nautilus",NULL,NULL,IRONGATE}, + {NULL,NULL,NULL,SYS_NONE} +}; + + +axpDevice +lnxGetAXP(void) +{ + FILE *file; + int count = 0; + char res[256]; + char cpu[255]; + char systype[255]; + char sysvari[255]; + if (!(file = fopen("/proc/cpuinfo","r"))) + return SYS_NONE; + do { + if (!fgets(res,0xff,file)) return SYS_NONE; + switch (count) { + case 1: + sscanf(res, "cpu model : %s",cpu); + DebugF("CPU %s\n",cpu); + break; + case 5: + sscanf(res, "system type : %s",systype); + DebugF("system type : %s\n",systype); + break; + case 6: + sscanf(res, "system variation : %s",sysvari); + DebugF("system variation: %s\n",sysvari); + break; + } + count++; + } while (count < 8); + + fclose(file); + + count = 0; + + do { + if (!axpList[count].sysName || !strcmp(axpList[count].sysName,systype)) { + if (axpList[count].sysVari && strcmp(axpList[count].sysVari,sysvari)) { + count++; + continue; + }; + if (axpList[count].cpu && strcmp(axpList[count].cpu,cpu)) { + count++; + continue; + } + return axpList[count].sys; + } + count++; + } while (1); +} diff --git a/hw/xfree86/os-support/linux/lnx_bell.c b/hw/xfree86/os-support/linux/lnx_bell.c new file mode 100644 index 0000000..75cdd3e --- /dev/null +++ b/hw/xfree86/os-support/linux/lnx_bell.c @@ -0,0 +1,46 @@ +/* + * Copyright © 2006 Daniel Stone + * + * 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 (including the next + * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Author: Daniel Stone <daniel@fooishbar.org> + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <sys/ioctl.h> +#include <linux/kd.h> + +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSproc.h" + +void +xf86OSRingBell(int loudness, int pitch, int duration) +{ + if (xf86Info.consoleFd == -1 || !pitch || !loudness) + return; + + ioctl(xf86Info.consoleFd, KDMKTONE, + ((1193190 / pitch) & 0xffff) | + (((unsigned long)duration * loudness / 50) << 16)); +} diff --git a/hw/xfree86/os-support/linux/lnx_ev56.c b/hw/xfree86/os-support/linux/lnx_ev56.c new file mode 100644 index 0000000..cb3460d --- /dev/null +++ b/hw/xfree86/os-support/linux/lnx_ev56.c @@ -0,0 +1,83 @@ +/* This file has to be built with -mcpu=ev56 */ +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "xf86.h" +#include "compiler.h" + +int readDense8(pointer Base, register unsigned long Offset); +int readDense16(pointer Base, register unsigned long Offset); +int readDense32(pointer Base, register unsigned long Offset); +void +writeDenseNB8(int Value, pointer Base, register unsigned long Offset); +void +writeDenseNB16(int Value, pointer Base, register unsigned long Offset); +void +writeDenseNB32(int Value, pointer Base, register unsigned long Offset); +void +writeDense8(int Value, pointer Base, register unsigned long Offset); +void +writeDense16(int Value, pointer Base, register unsigned long Offset); +void +writeDense32(int Value, pointer Base, register unsigned long Offset); + +int +readDense8(pointer Base, register unsigned long Offset) +{ + mem_barrier(); + return *(volatile CARD8*) ((unsigned long)Base+(Offset)); +} + +int +readDense16(pointer Base, register unsigned long Offset) +{ + mem_barrier(); + return *(volatile CARD16*) ((unsigned long)Base+(Offset)); +} + +int +readDense32(pointer Base, register unsigned long Offset) +{ + mem_barrier(); + return *(volatile CARD32*)((unsigned long)Base+(Offset)); +} + +void +writeDenseNB8(int Value, pointer Base, register unsigned long Offset) +{ + *(volatile CARD8*)((unsigned long)Base+(Offset)) = Value; +} + +void +writeDenseNB16(int Value, pointer Base, register unsigned long Offset) +{ + *(volatile CARD16*)((unsigned long)Base + (Offset)) = Value; +} + +void +writeDenseNB32(int Value, pointer Base, register unsigned long Offset) +{ + *(volatile CARD32*)((unsigned long)Base+(Offset)) = Value; +} + +void +writeDense8(int Value, pointer Base, register unsigned long Offset) +{ + write_mem_barrier(); + *(volatile CARD8 *)((unsigned long)Base+(Offset)) = Value; +} + +void +writeDense16(int Value, pointer Base, register unsigned long Offset) +{ + write_mem_barrier(); + *(volatile CARD16 *)((unsigned long)Base+(Offset)) = Value; +} + +void +writeDense32(int Value, pointer Base, register unsigned long Offset) +{ + write_mem_barrier(); + *(volatile CARD32 *)((unsigned long)Base+(Offset)) = Value; +} diff --git a/hw/xfree86/os-support/linux/lnx_init.c b/hw/xfree86/os-support/linux/lnx_init.c new file mode 100644 index 0000000..9c71a42 --- /dev/null +++ b/hw/xfree86/os-support/linux/lnx_init.c @@ -0,0 +1,330 @@ +/* + * Copyright 1992 by Orest Zborowski <obz@Kodak.com> + * Copyright 1993 by David Wexelblat <dwex@goblin.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 Orest Zborowski and David Wexelblat + * not be used in advertising or publicity pertaining to distribution of + * the software without specific, written prior permission. Orest Zborowski + * and David Wexelblat make no representations about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + * + * OREST ZBOROWSKI AND DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD + * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL OREST ZBOROWSKI OR DAVID WEXELBLAT 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 <xorg-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xmd.h> + +#include "compiler.h" + +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" + +#include <sys/stat.h> + +static Bool KeepTty = FALSE; +static Bool VTSwitch = TRUE; +static Bool ShareVTs = FALSE; +static int activeVT = -1; + +static char vtname[11]; +static struct termios tty_attr; /* tty state to restore */ +static int tty_mode; /* kbd mode to restore */ + +static void *console_handler; + +static void +drain_console(int fd, void *closure) +{ + errno = 0; + if (tcflush(fd, TCIOFLUSH) == -1 && errno == EIO) { + xf86RemoveGeneralHandler(console_handler); + console_handler = NULL; + } +} + +static void +switch_to(int vt, const char *from) +{ + if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vt) < 0) + FatalError("%s: VT_ACTIVATE failed: %s\n", from, strerror(errno)); + + if (ioctl(xf86Info.consoleFd, VT_WAITACTIVE, vt) < 0) + FatalError("%s: VT_WAITACTIVE failed: %s\n", from, strerror(errno)); +} + +void +xf86OpenConsole(void) +{ + int i, fd = -1; + struct vt_mode VT; + struct vt_stat vts; + MessageType from = X_PROBED; + char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL }; + char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL }; + + if (serverGeneration == 1) { + + /* when KeepTty check if we're run with euid==0 */ + if (KeepTty && geteuid() != 0) + FatalError("xf86OpenConsole:" + " Server must be suid root for option \"KeepTTY\"\n"); + + /* + * setup the virtual terminal manager + */ + if (xf86Info.vtno != -1) { + from = X_CMDLINE; + } else { + + i=0; + while (tty0[i] != NULL) { + if ((fd = open(tty0[i],O_WRONLY,0)) >= 0) + break; + i++; + } + + if (fd < 0) + FatalError( + "xf86OpenConsole: Cannot open /dev/tty0 (%s)\n", + strerror(errno)); + + if (ShareVTs) + { + if (ioctl(fd, VT_GETSTATE, &vts) == 0) + xf86Info.vtno = vts.v_active; + else + FatalError("xf86OpenConsole: Cannot find the current" + " VT (%s)\n", strerror(errno)); + } else { + if ((ioctl(fd, VT_OPENQRY, &xf86Info.vtno) < 0) || + (xf86Info.vtno == -1)) + FatalError("xf86OpenConsole: Cannot find a free VT: %s\n", + strerror(errno)); + } + close(fd); + } + + xf86Msg(from, "using VT number %d\n\n", xf86Info.vtno); + + if (!KeepTty) { + pid_t ppid = getppid(); + pid_t ppgid; + ppgid = getpgid(ppid); + + /* + * change to parent process group that pgid != pid so + * that setsid() doesn't fail and we become process + * group leader + */ + if (setpgid(0,ppgid) < 0) + xf86Msg(X_WARNING, "xf86OpenConsole: setpgid failed: %s\n", + strerror(errno)); + + /* become process group leader */ + if ((setsid() < 0)) + xf86Msg(X_WARNING, "xf86OpenConsole: setsid failed: %s\n", + strerror(errno)); + } + + i=0; + while (vcs[i] != NULL) { + sprintf(vtname, vcs[i], xf86Info.vtno); /* /dev/tty1-64 */ + if ((xf86Info.consoleFd = open(vtname, O_RDWR|O_NDELAY, 0)) >= 0) + break; + i++; + } + + if (xf86Info.consoleFd < 0) + FatalError("xf86OpenConsole: Cannot open virtual console" + " %d (%s)\n", xf86Info.vtno, strerror(errno)); + + /* + * Linux doesn't switch to an active vt after the last close of a vt, + * so we do this ourselves by remembering which is active now. + */ + if (ioctl(xf86Info.consoleFd, VT_GETSTATE, &vts) < 0) + xf86Msg(X_WARNING,"xf86OpenConsole: VT_GETSTATE failed: %s\n", + strerror(errno)); + else + activeVT = vts.v_active; + +#if 0 + if (!KeepTty) { + /* + * Detach from the controlling tty to avoid char loss + */ + if ((i = open("/dev/tty",O_RDWR)) >= 0) { + ioctl(i, TIOCNOTTY, 0); + close(i); + } + } +#endif + + if (!ShareVTs) + { + struct termios nTty; + + /* + * now get the VT. This _must_ succeed, or else fail completely. + */ + switch_to(xf86Info.vtno, "xf86OpenConsole"); + + if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0) + FatalError("xf86OpenConsole: VT_GETMODE failed %s\n", + strerror(errno)); + + signal(SIGUSR1, xf86VTRequest); + + VT.mode = VT_PROCESS; + VT.relsig = SIGUSR1; + VT.acqsig = SIGUSR1; + + if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0) + FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed: %s\n", + strerror(errno)); + + if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0) + FatalError("xf86OpenConsole: KDSETMODE KD_GRAPHICS failed %s\n", + strerror(errno)); + + tcgetattr(xf86Info.consoleFd, &tty_attr); + ioctl(xf86Info.consoleFd, KDGKBMODE, &tty_mode); + + if (ioctl(xf86Info.consoleFd, KDSKBMODE, K_RAW) < 0) + FatalError("xf86OpenConsole: KDSKBMODE K_RAW failed %s\n", + strerror(errno)); + + nTty = tty_attr; + nTty.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP); + nTty.c_oflag = 0; + nTty.c_cflag = CREAD | CS8; + nTty.c_lflag = 0; + nTty.c_cc[VTIME]=0; + nTty.c_cc[VMIN]=1; + cfsetispeed(&nTty, 9600); + cfsetospeed(&nTty, 9600); + tcsetattr(xf86Info.consoleFd, TCSANOW, &nTty); + + /* need to keep the buffer clean, else the kernel gets angry */ + xf86SetConsoleHandler(drain_console, NULL); + + /* we really should have a InitOSInputDevices() function instead + * of Init?$#*&Device(). So I just place it here */ + } + } else { /* serverGeneration != 1 */ + if (!ShareVTs && VTSwitch) + { + /* now get the VT */ + switch_to(xf86Info.vtno, "xf86OpenConsole"); + } + } +} + +void +xf86CloseConsole(void) +{ + struct vt_mode VT; + + if (ShareVTs) { + close(xf86Info.consoleFd); + return; + } + + if (console_handler) { + xf86RemoveGeneralHandler(console_handler); + console_handler = NULL; + }; + + /* Back to text mode ... */ + if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT) < 0) + xf86Msg(X_WARNING, "xf86CloseConsole: KDSETMODE failed: %s\n", + strerror(errno)); + + ioctl(xf86Info.consoleFd, KDSKBMODE, tty_mode); + tcsetattr(xf86Info.consoleFd, TCSANOW, &tty_attr); + + if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0) + xf86Msg(X_WARNING, "xf86CloseConsole: VT_GETMODE failed: %s\n", + strerror(errno)); + else { + /* set dflt vt handling */ + VT.mode = VT_AUTO; + if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0) + xf86Msg(X_WARNING, "xf86CloseConsole: VT_SETMODE failed: %s\n", + strerror(errno)); + } + + if (VTSwitch) + { + /* + * Perform a switch back to the active VT when we were started + */ + if (activeVT >= 0) { + switch_to(activeVT, "xf86CloseConsole"); + activeVT = -1; + } + } + close(xf86Info.consoleFd); /* make the vt-manager happy */ +} + +int +xf86ProcessArgument(int argc, char *argv[], int i) +{ + /* + * Keep server from detaching from controlling tty. This is useful + * when debugging (so the server can receive keyboard signals. + */ + if (!strcmp(argv[i], "-keeptty")) + { + KeepTty = TRUE; + return 1; + } + if (!strcmp(argv[i], "-novtswitch")) + { + VTSwitch = FALSE; + return 1; + } + if (!strcmp(argv[i], "-sharevts")) + { + ShareVTs = TRUE; + return 1; + } + if ((argv[i][0] == 'v') && (argv[i][1] == 't')) + { + if (sscanf(argv[i], "vt%2d", &xf86Info.vtno) == 0) + { + UseMsg(); + xf86Info.vtno = -1; + return 0; + } + return 1; + } + return 0; +} + +void +xf86UseMsg(void) +{ + ErrorF("vtXX use the specified VT number\n"); + ErrorF("-keeptty "); + ErrorF("don't detach controlling tty (for debugging only)\n"); + ErrorF("-novtswitch don't immediately switch to new VT\n"); + ErrorF("-sharevts share VTs with another X server\n"); +} diff --git a/hw/xfree86/os-support/linux/lnx_kmod.c b/hw/xfree86/os-support/linux/lnx_kmod.c new file mode 100644 index 0000000..0b9493d --- /dev/null +++ b/hw/xfree86/os-support/linux/lnx_kmod.c @@ -0,0 +1,112 @@ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> +#include <sys/wait.h> +#include <signal.h> +#include "xf86_OSlib.h" +#include "xf86.h" + + +#define MODPROBE_PATH_FILE "/proc/sys/kernel/modprobe" +#define MAX_PATH 1024 + + +#if 0 +/* XFree86 #defines execl to be the xf86execl() function which does + * a fork AND exec. We don't want that. We want the regular, + * standard execl(). + */ +#ifdef execl +#undef execl +#endif +#endif + + +/* + * Load a Linux kernel module. + * This is used by the DRI/DRM to load a DRM kernel module when + * the X server starts. It could be used for other purposes in the future. + * Input: + * modName - name of the kernel module (Ex: "tdfx") + * Return: + * 0 for failure, 1 for success + */ +int +xf86LoadKernelModule(const char *modName) +{ + char mpPath[MAX_PATH] = ""; + int fd = -1, status, n; + pid_t pid; + + /* get the path to the modprobe program */ + fd = open(MODPROBE_PATH_FILE, O_RDONLY); + if (fd >= 0) { + int count = read(fd, mpPath, MAX_PATH - 1); + if (count <= 0) { + mpPath[0] = 0; + } + else if (mpPath[count - 1] == '\n') { + mpPath[count - 1] = 0; /* replaces \n with \0 */ + } + close(fd); + /* if this worked, mpPath will be "/sbin/modprobe" or similar. */ + } + + if (mpPath[0] == 0) { + /* we failed to get the path from the system, use a default */ + strcpy(mpPath, "/sbin/modprobe"); + } + + /* now fork/exec the modprobe command */ + /* + * It would be good to capture stdout/stderr so that it can be directed + * to the log file. modprobe errors currently are missing from the log + * file. + */ + switch (pid = fork()) { + case 0: /* child */ + /* change real/effective user ID to 0/0 as we need to + * preinstall agpgart module for some DRM modules + */ + if (setreuid(0,0)) { + xf86Msg(X_WARNING,"LoadKernelModule: " + "Setting of real/effective user Id to 0/0 failed"); + } + setenv("PATH","/sbin",1); + n = execl(mpPath, "modprobe", modName, NULL); + xf86Msg(X_WARNING,"LoadKernelModule %s\n",strerror(errno)); + exit(EXIT_FAILURE); /* if we get here the child's exec failed */ + break; + case -1: /* fork failed */ + return 0; + default: /* fork worked */ + { + /* XXX we loop over waitpid() because it sometimes fails on + * the first attempt. Don't know why! + */ + int count = 0, p; + do { + p = waitpid(pid, &status, 0); + } while (p == -1 && count++ < 4); + + if (p == -1) { + return 0; + } + + if (WIFEXITED(status) && WEXITSTATUS(status) == 0) { + return 1; /* success! */ + } + else { + return 0; + } + } + } + + /* never get here */ + return 0; +} diff --git a/hw/xfree86/os-support/linux/lnx_video.c b/hw/xfree86/os-support/linux/lnx_video.c new file mode 100644 index 0000000..3d45511 --- /dev/null +++ b/hw/xfree86/os-support/linux/lnx_video.c @@ -0,0 +1,881 @@ +/* + * Copyright 1992 by Orest Zborowski <obz@Kodak.com> + * Copyright 1993 by David Wexelblat <dwex@goblin.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 Orest Zborowski and David Wexelblat + * not be used in advertising or publicity pertaining to distribution of + * the software without specific, written prior permission. Orest Zborowski + * and David Wexelblat make no representations about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + * + * OREST ZBOROWSKI AND DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD + * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL OREST ZBOROWSKI OR DAVID WEXELBLAT 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 <xorg-config.h> +#endif + +#include <errno.h> +#include <string.h> + +#include <X11/X.h> +#include "input.h" +#include "scrnintstr.h" + +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" +#include "xf86OSpriv.h" +#ifdef __alpha__ +#include "shared/xf86Axp.h" +#endif + +#ifdef HAS_MTRR_SUPPORT +#include <asm/mtrr.h> +#endif + +#ifndef MAP_FAILED +#define MAP_FAILED ((void *)-1) +#endif + +static Bool ExtendedEnabled = FALSE; + +#ifdef __ia64__ + +#include "compiler.h" +#include <sys/io.h> + +#elif !defined(__powerpc__) && \ + !defined(__mc68000__) && \ + !defined(__sparc__) && \ + !defined(__mips__) && \ + !defined(__nds32__) && \ + !defined(__arm__) + +/* + * Due to conflicts with "compiler.h", don't rely on <sys/io.h> to declare + * these. + */ +extern int ioperm(unsigned long __from, unsigned long __num, int __turn_on); +extern int iopl(int __level); + +#endif + +#ifdef __alpha__ +# define BUS_BASE bus_base +#else +#define BUS_BASE (0) +#endif /* __alpha__ */ + +/***************************************************************************/ +/* Video Memory Mapping section */ +/***************************************************************************/ + +static pointer mapVidMem(int, unsigned long, unsigned long, int); +static void unmapVidMem(int, pointer, unsigned long); +#if defined (__alpha__) +extern void sethae(unsigned long hae); +extern unsigned long _bus_base __P ((void)) __attribute__ ((const)); +extern unsigned long _bus_base_sparse __P ((void)) __attribute__ ((const)); + +static pointer mapVidMemSparse(int, unsigned long, unsigned long, int); +extern axpDevice lnxGetAXP(void); +static void unmapVidMemSparse(int, pointer, unsigned long); +static axpDevice axpSystem = -1; +static Bool needSparse; +static unsigned long hae_thresh; +static unsigned long hae_mask; +static unsigned long bus_base; +#endif + +#ifdef HAS_MTRR_SUPPORT + +#define SPLIT_WC_REGIONS 1 + +static pointer setWC(int, unsigned long, unsigned long, Bool, MessageType); +static void undoWC(int, pointer); + +/* The file desc for /proc/mtrr. Once opened, left opened, and the mtrr + driver will clean up when we exit. */ +#define MTRR_FD_UNOPENED (-1) /* We have yet to open /proc/mtrr */ +#define MTRR_FD_PROBLEM (-2) /* We tried to open /proc/mtrr, but had + a problem. */ +static int mtrr_fd = MTRR_FD_UNOPENED; + +/* Open /proc/mtrr. FALSE on failure. Will always fail on Linux 2.0, + and will fail on Linux 2.2 with MTRR support configured out, + so verbosity should be chosen appropriately. */ +static Bool +mtrr_open(int verbosity) +{ + /* Only report absence of /proc/mtrr once. */ + static Bool warned = FALSE; + + if (mtrr_fd == MTRR_FD_UNOPENED) { + mtrr_fd = open("/proc/mtrr", O_WRONLY); + + if (mtrr_fd < 0) + mtrr_fd = MTRR_FD_PROBLEM; + } + + if (mtrr_fd == MTRR_FD_PROBLEM) { + /* To make sure we only ever warn once, need to check + verbosity outside xf86MsgVerb */ + if (!warned && verbosity <= xf86GetVerbosity()) { + xf86MsgVerb(X_WARNING, verbosity, + "System lacks support for changing MTRRs\n"); + warned = TRUE; + } + + return FALSE; + } + else + return TRUE; +} + +/* + * We maintain a list of WC regions for each physical mapping so they can + * be undone when unmapping. + */ + +struct mtrr_wc_region { + struct mtrr_sentry sentry; + Bool added; /* added WC or removed it */ + struct mtrr_wc_region * next; +}; + + +static struct mtrr_wc_region * +mtrr_cull_wc_region(int screenNum, unsigned long base, unsigned long size, + MessageType from) +{ + /* Some BIOS writers thought that setting wc over the mmio + region of a graphics devices was a good idea. Try to fix + it. */ + + struct mtrr_gentry gent; + struct mtrr_wc_region *wcreturn = NULL, *wcr; + int count, ret=0; + + /* Linux 2.0 users should not get a warning without -verbose */ + if (!mtrr_open(2)) + return NULL; + + for (gent.regnum = 0; + ioctl(mtrr_fd, MTRRIOC_GET_ENTRY, &gent) >= 0; + gent.regnum++) { + if (gent.type != MTRR_TYPE_WRCOMB + || gent.base + gent.size <= base + || base + size <= gent.base) + continue; + + /* Found an overlapping region. Delete it. */ + + wcr = malloc(sizeof(*wcr)); + if (!wcr) + return NULL; + wcr->sentry.base = gent.base; + wcr->sentry.size = gent.size; + wcr->sentry.type = MTRR_TYPE_WRCOMB; + wcr->added = FALSE; + + count = 3; + while (count-- && + (ret = ioctl(mtrr_fd, MTRRIOC_KILL_ENTRY, &(wcr->sentry))) < 0); + + if (ret >= 0) { + xf86DrvMsg(screenNum, from, + "Removed MMIO write-combining range " + "(0x%lx,0x%lx)\n", + (unsigned long) gent.base, (unsigned long) gent.size); + wcr->next = wcreturn; + wcreturn = wcr; + gent.regnum--; + } else { + free(wcr); + xf86DrvMsgVerb(screenNum, X_WARNING, 0, + "Failed to remove MMIO " + "write-combining range (0x%lx,0x%lx)\n", + gent.base, (unsigned long) gent.size); + } + } + return wcreturn; +} + + +static struct mtrr_wc_region * +mtrr_remove_offending(int screenNum, unsigned long base, unsigned long size, + MessageType from) +{ + struct mtrr_gentry gent; + struct mtrr_wc_region *wcreturn = NULL, **wcr; + + if (!mtrr_open(2)) + return NULL; + + wcr = &wcreturn; + for (gent.regnum = 0; + ioctl(mtrr_fd, MTRRIOC_GET_ENTRY, &gent) >= 0; gent.regnum++ ) { + if (gent.type == MTRR_TYPE_WRCOMB + && ((gent.base >= base && gent.base + gent.size < base + size) || + (gent.base > base && gent.base + gent.size <= base + size))) { + *wcr = mtrr_cull_wc_region(screenNum, gent.base, gent.size, from); + if (*wcr) gent.regnum--; + while(*wcr) { + wcr = &((*wcr)->next); + } + } + } + return wcreturn; +} + + +static struct mtrr_wc_region * +mtrr_add_wc_region(int screenNum, unsigned long base, unsigned long size, + MessageType from) +{ + struct mtrr_wc_region **wcr, *wcreturn, *curwcr; + + /* + * There can be only one.... + */ + + wcreturn = mtrr_remove_offending(screenNum, base, size, from); + wcr = &wcreturn; + while (*wcr) { + wcr = &((*wcr)->next); + } + + /* Linux 2.0 should not warn, unless the user explicitly asks for + WC. */ + + if (!mtrr_open(from == X_CONFIG ? 0 : 2)) + return wcreturn; + + *wcr = curwcr = malloc(sizeof(**wcr)); + if (!curwcr) + return wcreturn; + + curwcr->sentry.base = base; + curwcr->sentry.size = size; + curwcr->sentry.type = MTRR_TYPE_WRCOMB; + curwcr->added = TRUE; + curwcr->next = NULL; + +#if SPLIT_WC_REGIONS + /* + * Splits up the write-combining region if it is not aligned on a + * size boundary. + */ + + { + unsigned long lbase, d_size = 1; + unsigned long n_size = size; + unsigned long n_base = base; + + for (lbase = n_base, d_size = 1; !(lbase & 1); + lbase = lbase >> 1, d_size <<= 1); + while (d_size > n_size) + d_size = d_size >> 1; + DebugF("WC_BASE: 0x%lx WC_END: 0x%lx\n",base,base+d_size-1); + n_base += d_size; + n_size -= d_size; + if (n_size) { + xf86DrvMsgVerb(screenNum,X_INFO,3,"Splitting WC range: " + "base: 0x%lx, size: 0x%lx\n",base,size); + curwcr->next = mtrr_add_wc_region(screenNum, n_base, n_size,from); + } + curwcr->sentry.size = d_size; + } + + /*****************************************************************/ +#endif /* SPLIT_WC_REGIONS */ + + if (ioctl(mtrr_fd, MTRRIOC_ADD_ENTRY, &curwcr->sentry) >= 0) { + /* Avoid printing on every VT switch */ + if (xf86ServerIsInitialising()) { + xf86DrvMsg(screenNum, from, + "Write-combining range (0x%lx,0x%lx)\n", + base, size); + } + return wcreturn; + } + else { + *wcr = curwcr->next; + free(curwcr); + + /* Don't complain about the VGA region: MTRR fixed + regions aren't currently supported, but might be in + the future. */ + if ((unsigned long)base >= 0x100000) { + xf86DrvMsgVerb(screenNum, X_WARNING, 0, + "Failed to set up write-combining range " + "(0x%lx,0x%lx)\n", base, size); + } + return wcreturn; + } +} + +static void +mtrr_undo_wc_region(int screenNum, struct mtrr_wc_region *wcr) +{ + struct mtrr_wc_region *p, *prev; + + if (mtrr_fd >= 0) { + p = wcr; + while (p) { + if (p->added) + ioctl(mtrr_fd, MTRRIOC_DEL_ENTRY, &p->sentry); + prev = p; + p = p->next; + free(prev); + } + } +} + +static pointer +setWC(int screenNum, unsigned long base, unsigned long size, Bool enable, + MessageType from) +{ + if (enable) + return mtrr_add_wc_region(screenNum, base, size, from); + else + return mtrr_cull_wc_region(screenNum, base, size, from); +} + +static void +undoWC(int screenNum, pointer regioninfo) +{ + mtrr_undo_wc_region(screenNum, regioninfo); +} + +#endif /* HAS_MTRR_SUPPORT */ + +void +xf86OSInitVidMem(VidMemInfoPtr pVidMem) +{ + pVidMem->linearSupported = TRUE; +#ifdef __alpha__ + if (axpSystem == -1) { + axpSystem = lnxGetAXP(); + if ((needSparse = (_bus_base_sparse() > 0))) { + hae_thresh = xf86AXPParams[axpSystem].hae_thresh; + hae_mask = xf86AXPParams[axpSystem].hae_mask; + } + bus_base = _bus_base(); + } + if (needSparse) { + xf86Msg(X_INFO,"Machine needs sparse mapping\n"); + pVidMem->mapMem = mapVidMemSparse; + pVidMem->unmapMem = unmapVidMemSparse; + } else { + xf86Msg(X_INFO,"Machine type has 8/16 bit access\n"); + pVidMem->mapMem = mapVidMem; + pVidMem->unmapMem = unmapVidMem; + } +#else + pVidMem->mapMem = mapVidMem; + pVidMem->unmapMem = unmapVidMem; +#endif /* __alpha__ */ + + +#ifdef HAS_MTRR_SUPPORT + pVidMem->setWC = setWC; + pVidMem->undoWC = undoWC; +#endif + pVidMem->initialised = TRUE; +} + +#ifdef __sparc__ +/* Basically, you simply cannot do this on Sparc. You have to do something portable + * like use /dev/fb* or mmap() on /proc/bus/pci/X/Y nodes. -DaveM + */ +static pointer mapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags) +{ + return NULL; +} +#else +static pointer +mapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags) +{ + pointer base; + int fd; + int mapflags = MAP_SHARED; + int prot; + memType realBase, alignOff; + + realBase = Base & ~(getpagesize() - 1); + alignOff = Base - realBase; + DebugF("base: %lx, realBase: %lx, alignOff: %lx \n", + Base,realBase,alignOff); + +#if defined(__ia64__) || defined(__arm__) || defined(__s390__) +#ifndef MAP_WRITECOMBINED +#define MAP_WRITECOMBINED 0x00010000 +#endif +#ifndef MAP_NONCACHED +#define MAP_NONCACHED 0x00020000 +#endif + if(flags & VIDMEM_FRAMEBUFFER) + mapflags |= MAP_WRITECOMBINED; + else + mapflags |= MAP_NONCACHED; +#endif + +#if 0 + /* this will disappear when people upgrade their kernels */ + fd = open(DEV_MEM, + ((flags & VIDMEM_READONLY) ? O_RDONLY : O_RDWR) | O_SYNC); +#else + fd = open(DEV_MEM, (flags & VIDMEM_READONLY) ? O_RDONLY : O_RDWR); +#endif + if (fd < 0) + { + FatalError("xf86MapVidMem: failed to open " DEV_MEM " (%s)\n", + strerror(errno)); + } + + if (flags & VIDMEM_READONLY) + prot = PROT_READ; + else + prot = PROT_READ | PROT_WRITE; + + /* This requires linux-0.99.pl10 or above */ + base = mmap((caddr_t)0, Size + alignOff, prot, mapflags, fd, + (off_t)realBase + BUS_BASE); + close(fd); + if (base == MAP_FAILED) { + FatalError("xf86MapVidMem: Could not mmap framebuffer" + " (0x%08lx,0x%lx) (%s)\n", Base, Size, + strerror(errno)); + } + DebugF("base: %lx aligned base: %lx\n",base, (char *)base + alignOff); + return (char *)base + alignOff; +} +#endif /* !(__sparc__) */ + +static void +unmapVidMem(int ScreenNum, pointer Base, unsigned long Size) +{ + memType alignOff = (memType)Base + - ((memType)Base & ~(getpagesize() - 1)); + + DebugF("alignment offset: %lx\n",alignOff); + munmap((caddr_t)((memType)Base - alignOff), (Size + alignOff)); +} + + +/***************************************************************************/ +/* I/O Permissions section */ +/***************************************************************************/ + +#if defined(__powerpc__) +volatile unsigned char *ioBase = NULL; + +#ifndef __NR_pciconfig_iobase +#define __NR_pciconfig_iobase 200 +#endif + +#endif + +Bool +xf86EnableIO(void) +{ +#if defined(__powerpc__) + int fd; + unsigned int ioBase_phys; +#endif + + if (ExtendedEnabled) + return TRUE; + +#if defined(__powerpc__) + ioBase_phys = syscall(__NR_pciconfig_iobase, 2, 0, 0); + + fd = open("/dev/mem", O_RDWR); + if (ioBase == NULL) { + ioBase = (volatile unsigned char *)mmap(0, 0x20000, + PROT_READ | PROT_WRITE, MAP_SHARED, fd, + ioBase_phys); +/* Should this be fatal or just a warning? */ +#if 0 + if (ioBase == MAP_FAILED) { + xf86Msg(X_WARNING, + "xf86EnableIOPorts: Failed to map iobase (%s)\n", + strerror(errno)); + return FALSE; + } +#endif + } + close(fd); +#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__arm__) && !defined(__m32r__) && !defined(__nds32__) + if (ioperm(0, 1024, 1) || iopl(3)) { + if (errno == ENODEV) + ErrorF("xf86EnableIOPorts: no I/O ports found\n"); + else + FatalError("xf86EnableIOPorts: failed to set IOPL" + " for I/O (%s)\n", strerror(errno)); + return FALSE; + } +# if !defined(__alpha__) + /* XXX: this is actually not trapping anything because of iopl(3) + * above */ + ioperm(0x40,4,0); /* trap access to the timer chip */ + ioperm(0x60,4,0); /* trap access to the keyboard controller */ +# endif +#endif + ExtendedEnabled = TRUE; + + return TRUE; +} + +void +xf86DisableIO(void) +{ + if (!ExtendedEnabled) + return; +#if defined(__powerpc__) + munmap(ioBase, 0x20000); + ioBase = NULL; +#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) && !defined(__m32r__) && !defined(__nds32__) + iopl(0); + ioperm(0, 1024, 0); +#endif + ExtendedEnabled = FALSE; + + return; +} + +#if defined (__alpha__) + +#define vuip volatile unsigned int * + +extern int readDense8(pointer Base, register unsigned long Offset); +extern int readDense16(pointer Base, register unsigned long Offset); +extern int readDense32(pointer Base, register unsigned long Offset); +extern void +writeDenseNB8(int Value, pointer Base, register unsigned long Offset); +extern void +writeDenseNB16(int Value, pointer Base, register unsigned long Offset); +extern void +writeDenseNB32(int Value, pointer Base, register unsigned long Offset); +extern void +writeDense8(int Value, pointer Base, register unsigned long Offset); +extern void +writeDense16(int Value, pointer Base, register unsigned long Offset); +extern void +writeDense32(int Value, pointer Base, register unsigned long Offset); + +static int readSparse8(pointer Base, register unsigned long Offset); +static int readSparse16(pointer Base, register unsigned long Offset); +static int readSparse32(pointer Base, register unsigned long Offset); +static void +writeSparseNB8(int Value, pointer Base, register unsigned long Offset); +static void +writeSparseNB16(int Value, pointer Base, register unsigned long Offset); +static void +writeSparseNB32(int Value, pointer Base, register unsigned long Offset); +static void +writeSparse8(int Value, pointer Base, register unsigned long Offset); +static void +writeSparse16(int Value, pointer Base, register unsigned long Offset); +static void +writeSparse32(int Value, pointer Base, register unsigned long Offset); + +#define DENSE_BASE 0x2ff00000000UL +#define SPARSE_BASE 0x30000000000UL + +static unsigned long msb_set = 0; + +static pointer +mapVidMemSparse(int ScreenNum, unsigned long Base, unsigned long Size, int flags) +{ + int fd, prot; + unsigned long ret, rets = 0; + + static Bool was_here = FALSE; + + if (!was_here) { + was_here = TRUE; + + xf86WriteMmio8 = writeSparse8; + xf86WriteMmio16 = writeSparse16; + xf86WriteMmio32 = writeSparse32; + xf86WriteMmioNB8 = writeSparseNB8; + xf86WriteMmioNB16 = writeSparseNB16; + xf86WriteMmioNB32 = writeSparseNB32; + xf86ReadMmio8 = readSparse8; + xf86ReadMmio16 = readSparse16; + xf86ReadMmio32 = readSparse32; + } + + fd = open(DEV_MEM, (flags & VIDMEM_READONLY) ? O_RDONLY : O_RDWR); + if (fd < 0) { + FatalError("xf86MapVidMem: failed to open " DEV_MEM " (%s)\n", + strerror(errno)); + } + +#if 0 + xf86Msg(X_INFO,"mapVidMemSparse: try Base 0x%lx size 0x%lx flags 0x%x\n", + Base, Size, flags); +#endif + + if (flags & VIDMEM_READONLY) + prot = PROT_READ; + else + prot = PROT_READ | PROT_WRITE; + + /* This requirers linux-0.99.pl10 or above */ + + /* + * Always do DENSE mmap, since read32/write32 currently require it. + */ + ret = (unsigned long)mmap((caddr_t)(DENSE_BASE + Base), Size, + prot, MAP_SHARED, fd, + (off_t) (bus_base + Base)); + + /* + * Do SPARSE mmap only when MMIO and not MMIO_32BIT, or FRAMEBUFFER + * and SPARSE (which should require the use of read/write macros). + * + * By not SPARSE mmapping an 8MB framebuffer, we can save approx. 256K + * bytes worth of pagetable (32 pages). + */ + if (((flags & VIDMEM_MMIO) && !(flags & VIDMEM_MMIO_32BIT)) || + ((flags & VIDMEM_FRAMEBUFFER) && (flags & VIDMEM_SPARSE))) + { + rets = (unsigned long)mmap((caddr_t)(SPARSE_BASE + (Base << 5)), + Size << 5, prot, MAP_SHARED, fd, + (off_t) _bus_base_sparse() + (Base << 5)); + } + + close(fd); + + if (ret == (unsigned long)MAP_FAILED) { + FatalError("xf86MapVidMemSparse: Could not (dense) mmap fb (%s)\n", + strerror(errno)); + } + + if (((flags & VIDMEM_MMIO) && !(flags & VIDMEM_MMIO_32BIT)) || + ((flags & VIDMEM_FRAMEBUFFER) && (flags & VIDMEM_SPARSE))) + { + if (rets == (unsigned long)MAP_FAILED || + rets != (SPARSE_BASE + (Base << 5))) + { + FatalError("mapVidMemSparse: Could not (sparse) mmap fb (%s)\n", + strerror(errno)); + } + } + +#if 1 + if (rets) + xf86Msg(X_INFO,"mapVidMemSparse: mapped Base 0x%lx size 0x%lx" + " to DENSE at 0x%lx and SPARSE at 0x%lx\n", + Base, Size, ret, rets); + else + xf86Msg(X_INFO,"mapVidMemSparse: mapped Base 0x%lx size 0x%lx" + " to DENSE only at 0x%lx\n", + Base, Size, ret); + +#endif + return (pointer) ret; +} + +static void +unmapVidMemSparse(int ScreenNum, pointer Base, unsigned long Size) +{ + unsigned long Offset = (unsigned long)Base - DENSE_BASE; +#if 1 + xf86Msg(X_INFO,"unmapVidMemSparse: unmapping Base 0x%lx Size 0x%lx\n", + Base, Size); +#endif + /* Unmap DENSE always. */ + munmap((caddr_t)Base, Size); + + /* Unmap SPARSE always, and ignore error in case we did not map it. */ + munmap((caddr_t)(SPARSE_BASE + (Offset << 5)), Size << 5); +} + +static int +readSparse8(pointer Base, register unsigned long Offset) +{ + register unsigned long result, shift; + register unsigned long msb; + + mem_barrier(); + Offset += (unsigned long)Base - DENSE_BASE; + shift = (Offset & 0x3) << 3; + if (Offset >= (hae_thresh)) { + msb = Offset & hae_mask; + Offset -= msb; + if (msb_set != msb) { + sethae(msb); + msb_set = msb; + } + } + + mem_barrier(); + result = *(vuip) (SPARSE_BASE + (Offset << 5)); + result >>= shift; + return 0xffUL & result; +} + +static int +readSparse16(pointer Base, register unsigned long Offset) +{ + register unsigned long result, shift; + register unsigned long msb; + + mem_barrier(); + Offset += (unsigned long)Base - DENSE_BASE; + shift = (Offset & 0x2) << 3; + if (Offset >= hae_thresh) { + msb = Offset & hae_mask; + Offset -= msb; + if (msb_set != msb) { + sethae(msb); + msb_set = msb; + } + } + + mem_barrier(); + result = *(vuip)(SPARSE_BASE + (Offset<<5) + (1<<(5-2))); + result >>= shift; + return 0xffffUL & result; +} + +static int +readSparse32(pointer Base, register unsigned long Offset) +{ + /* NOTE: this is really using DENSE. */ + mem_barrier(); + return *(vuip)((unsigned long)Base+(Offset)); +} + +static void +writeSparse8(int Value, pointer Base, register unsigned long Offset) +{ + register unsigned long msb; + register unsigned int b = Value & 0xffU; + + write_mem_barrier(); + Offset += (unsigned long)Base - DENSE_BASE; + if (Offset >= hae_thresh) { + msb = Offset & hae_mask; + Offset -= msb; + if (msb_set != msb) { + sethae(msb); + msb_set = msb; + } + } + + write_mem_barrier(); + *(vuip) (SPARSE_BASE + (Offset << 5)) = b * 0x01010101; +} + +static void +writeSparse16(int Value, pointer Base, register unsigned long Offset) +{ + register unsigned long msb; + register unsigned int w = Value & 0xffffU; + + write_mem_barrier(); + Offset += (unsigned long)Base - DENSE_BASE; + if (Offset >= hae_thresh) { + msb = Offset & hae_mask; + Offset -= msb; + if (msb_set != msb) { + sethae(msb); + msb_set = msb; + } + } + + write_mem_barrier(); + *(vuip)(SPARSE_BASE + (Offset<<5) + (1<<(5-2))) = w * 0x00010001; +} + +static void +writeSparse32(int Value, pointer Base, register unsigned long Offset) +{ + /* NOTE: this is really using DENSE. */ + write_mem_barrier(); + *(vuip)((unsigned long)Base + (Offset)) = Value; + return; +} + +static void +writeSparseNB8(int Value, pointer Base, register unsigned long Offset) +{ + register unsigned long msb; + register unsigned int b = Value & 0xffU; + + Offset += (unsigned long)Base - DENSE_BASE; + if (Offset >= hae_thresh) { + msb = Offset & hae_mask; + Offset -= msb; + if (msb_set != msb) { + sethae(msb); + msb_set = msb; + } + } + *(vuip) (SPARSE_BASE + (Offset << 5)) = b * 0x01010101; +} + +static void +writeSparseNB16(int Value, pointer Base, register unsigned long Offset) +{ + register unsigned long msb; + register unsigned int w = Value & 0xffffU; + + Offset += (unsigned long)Base - DENSE_BASE; + if (Offset >= hae_thresh) { + msb = Offset & hae_mask; + Offset -= msb; + if (msb_set != msb) { + sethae(msb); + msb_set = msb; + } + } + *(vuip)(SPARSE_BASE+(Offset<<5)+(1<<(5-2))) = w * 0x00010001; +} + +static void +writeSparseNB32(int Value, pointer Base, register unsigned long Offset) +{ + /* NOTE: this is really using DENSE. */ + *(vuip)((unsigned long)Base + (Offset)) = Value; + return; +} + +void (*xf86WriteMmio8)(int Value, pointer Base, unsigned long Offset) + = writeDense8; +void (*xf86WriteMmio16)(int Value, pointer Base, unsigned long Offset) + = writeDense16; +void (*xf86WriteMmio32)(int Value, pointer Base, unsigned long Offset) + = writeDense32; +void (*xf86WriteMmioNB8)(int Value, pointer Base, unsigned long Offset) + = writeDenseNB8; +void (*xf86WriteMmioNB16)(int Value, pointer Base, unsigned long Offset) + = writeDenseNB16; +void (*xf86WriteMmioNB32)(int Value, pointer Base, unsigned long Offset) + = writeDenseNB32; +int (*xf86ReadMmio8)(pointer Base, unsigned long Offset) + = readDense8; +int (*xf86ReadMmio16)(pointer Base, unsigned long Offset) + = readDense16; +int (*xf86ReadMmio32)(pointer Base, unsigned long Offset) + = readDense32; + +#endif /* __alpha__ */ |