diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_vid.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_vid.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_vid.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_vid.c deleted file mode 100644 index 82cd1ae7b..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_vid.c +++ /dev/null @@ -1,237 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/sunos/sun_vid.c,v 1.2 2001/10/28 03:34:03 tsi Exp $ */ -/* - * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany - * 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 the copyright holders not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. The copyright holders make no representations - * about the suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT - * SHALL THE COPYRIGHT HOLDERS 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 <sys/types.h> /* get __x86 definition if not set by compiler */ - -#if defined(i386) || defined(__x86) -#define _NEED_SYSI86 -#endif -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" - -#ifndef MAP_FAILED -#define MAP_FAILED ((void *)-1) -#endif - -/***************************************************************************/ -/* Video Memory Mapping section */ -/***************************************************************************/ - -char *apertureDevName = NULL; - -Bool -xf86LinearVidMem(void) -{ - int mmapFd; - - if (apertureDevName) - return TRUE; - - apertureDevName = "/dev/xsvc"; - if ((mmapFd = open(apertureDevName, O_RDWR)) < 0) - { - apertureDevName = "/dev/fbs/aperture"; - if((mmapFd = open(apertureDevName, O_RDWR)) < 0) - { - xf86MsgVerb(X_WARNING, 0, - "xf86LinearVidMem: failed to open %s (%s)\n", - apertureDevName, strerror(errno)); - xf86MsgVerb(X_WARNING, 0, - "xf86LinearVidMem: either /dev/fbs/aperture or /dev/xsvc" - " device driver required\n"); - xf86MsgVerb(X_WARNING, 0, - "xf86LinearVidMem: linear memory access disabled\n"); - apertureDevName = NULL; - return FALSE; - } - } - close(mmapFd); - return TRUE; -} - -pointer -xf86MapVidMem(int ScreenNum, int Flags, unsigned long Base, unsigned long Size) -{ - pointer base; - int fd; - char vtname[20]; - - /* - * Solaris 2.1 x86 SVR4 (10/27/93) - * The server must treat the virtual terminal device file as the - * standard SVR4 /dev/pmem. - * - * Using the /dev/vtXX device as /dev/pmem only works for the - * A0000-FFFFF region - If we wish you mmap the linear aperture - * it requires a device driver. - * - * So what we'll do is use /dev/vtXX for the A0000-FFFFF stuff, and - * try to use the /dev/fbs/aperture or /dev/xsvc driver if the server - * tries to mmap anything > FFFFF. Its very very unlikely that the - * server will try to mmap anything below FFFFF that can't be handled - * by /dev/vtXX. - * - * DWH - 2/23/94 - * DWH - 1/31/99 (Gee has it really been 5 years?) - * - * Solaris 2.8 7/26/99 - * Use /dev/xsvc for everything - * - * DWH - 7/26/99 - Solaris8/dev/xsvc changes - * - * TSI - 2001.09 - SPARC changes - */ - -#if defined(i386) && !defined(__SOL8__) - if(Base < 0xFFFFF) - sprintf(vtname, "/dev/vt%02d", xf86Info.vtno); - else -#endif - { - if (!xf86LinearVidMem()) - FatalError("xf86MapVidMem: no aperture device\n"); - - strcpy(vtname, apertureDevName); - } - - fd = open(vtname, (Flags & VIDMEM_READONLY) ? O_RDONLY : O_RDWR); - if (fd < 0) - FatalError("xf86MapVidMem: failed to open %s (%s)\n", - vtname, strerror(errno)); - - base = mmap(NULL, Size, - (Flags & VIDMEM_READONLY) ? - PROT_READ : (PROT_READ | PROT_WRITE), - MAP_SHARED, fd, (off_t)Base); - close(fd); - if (base == MAP_FAILED) - FatalError("xf86MapVidMem: mmap failure: %s\n", - strerror(errno)); - - return(base); -} - -/* ARGSUSED */ -void -xf86UnMapVidMem(int ScreenNum, pointer Base, unsigned long Size) -{ - munmap(Base, Size); -} - -/***************************************************************************/ -/* I/O Permissions section */ -/***************************************************************************/ - -#if defined(i386) || defined(__x86) -static Bool ExtendedEnabled = FALSE; -#endif - -Bool -xf86EnableIO(void) -{ -#if defined(i386) || defined(__x86) - if (ExtendedEnabled) - return TRUE; - - if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) < 0) { - xf86Msg(X_WARNING,"xf86EnableIOPorts: Failed to set IOPL for I/O\n"); - return FALSE; - } - ExtendedEnabled = TRUE; -#endif /* i386 */ - return TRUE; -} - -void -xf86DisableIO(void) -{ -#if defined(i386) || defined(__x86) - if(!ExtendedEnabled) - return; - - sysi86(SI86V86, V86SC_IOPL, 0); - - ExtendedEnabled = FALSE; -#endif /* i386 */ -} - - -/***************************************************************************/ -/* Interrupt Handling section */ -/***************************************************************************/ - -Bool xf86DisableInterrupts(void) -{ -#if defined(i386) || defined(__x86) - if (!ExtendedEnabled && (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) < 0)) - return FALSE; - -#ifdef __GNUC__ - __asm__ __volatile__("cli"); -#else - asm("cli"); -#endif /* __GNUC__ */ - - if (!ExtendedEnabled) - sysi86(SI86V86, V86SC_IOPL, 0); -#endif /* i386 */ - - return TRUE; -} - -void xf86EnableInterrupts(void) -{ -#if defined(i386) || defined(__x86) - if (!ExtendedEnabled && (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) < 0)) - return; - -#ifdef __GNUC__ - __asm__ __volatile__("sti"); -#else - asm("sti"); -#endif /* __GNUC__ */ - - if (!ExtendedEnabled) - sysi86(SI86V86, V86SC_IOPL, 0); -#endif /* i386 */ -} - -void -xf86MapReadSideEffects(int ScreenNum, int Flags, pointer Base, - unsigned long Size) -{ -} - -Bool -xf86CheckMTRR(int ScreenNum) -{ - return FALSE; -} - |