diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/dgux/dgux_video.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/dgux/dgux_video.c | 441 |
1 files changed, 0 insertions, 441 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/dgux/dgux_video.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/dgux/dgux_video.c deleted file mode 100644 index 25336d68a..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/os-support/dgux/dgux_video.c +++ /dev/null @@ -1,441 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/dgux/dgux_video.c,v 1.6tsi Exp $ */ -/* - * INTEL DG/UX RELEASE 4.20 MU03 - * Copyright 1997 Takis Psarogiannakopoulos Cambridge,UK - * <takis@dpmms.cam.ac.uk> - * - * - * 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. - * XFREE86 PROJECT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE. - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FITNESS, IN NO EVENT SHALL XCONSORTIUM 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 "input.h" -#include "scrnintstr.h" - -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" - -#ifndef MAP_FAILED -#define MAP_FAILED ((void *)-1) -#endif - -/* Stuff for the SET_IOPL() ,RESET_IOPL() */ -/* #include <fcntl.h> */ -static int io_takis; -int set_takis; - - -/***************************************************************************/ -/* SET_IOPL() and RESET_IOPL() section for ix86 DG/ux 4.20MU03 */ -/***************************************************************************/ - - -int SET_IOPL() -{ - io_takis=open("/dev/console", O_RDWR,0); - if ((io_takis) < 0) - { - return(-1); - } - set_takis = ioctl(io_takis,KDENABIO,0); - - if (set_takis < 0) - { - return(-1); - } - return(1); -} - - - - -void RESET_IOPL() -{ - - ioctl(io_takis,KDDISABIO,0); - close(io_takis); - return; - -} - -/***************************************************************************/ -/* DG/ux Video Memory Mapping part */ -/***************************************************************************/ - -#undef HAS_SVR3_MMAPDRV /* ix86 DG/ux is a typical SVR4 without SVR3_MMAPDRV */ - -Bool xf86LinearVidMem() -{ - return(TRUE); -} - -pointer -xf86MapVidMem(int ScreenNum, int Flags, unsigned long Base, unsigned long Size) -{ - pointer base; - int fd; - - fd = open(DEV_MEM, (Flags & VIDMEM_READONLY) ? O_RDONLY : O_RDWR); - if (fd < 0) - { - FatalError("xf86MapVidMem: failed to open %s (%s)\n", - DEV_MEM, strerror(errno)); - } - base = mmap((caddr_t)0, Size, - (Flags & VIDMEM_READONLY) ? - PROT_READ : (PROT_READ | PROT_WRITE), - MAP_SHARED, fd, (off_t)Base); - close(fd); - if (base == MAP_FAILED) - { - FatalError("%s: Could not mmap framebuffer [s=%x,a=%x] (%s)\n", - "xf86MapVidMem", Size, Base, strerror(errno)); - } - - return(base); -} - -void xf86UnMapVidMem(ScreenNum, Region, Base, Size) -int ScreenNum; -int Region; -pointer Base; -unsigned long Size; -{ - munmap(Base, Size); -} - -/***************************************************************************/ -/* I/O Permissions section */ -/***************************************************************************/ - -#define ALWAYS_USE_EXTENDED -#ifdef ALWAYS_USE_EXTENDED - -static Bool ScreenEnabled[MAXSCREENS]; -static Bool ExtendedEnabled = FALSE; -static Bool InitDone = FALSE; - -void -xf86ClearIOPortList(ScreenNum) -int ScreenNum; -{ - if (!InitDone) - { - int i; - for (i = 0; i < MAXSCREENS; i++) - ScreenEnabled[i] = FALSE; - InitDone = TRUE; - } - return; -} - -void -xf86AddIOPorts(ScreenNum, NumPorts, Ports) -int ScreenNum; -int NumPorts; -unsigned *Ports; -{ - return; -} - -void -xf86EnableIOPorts(ScreenNum) -int ScreenNum; -{ - int i; - - ScreenEnabled[ScreenNum] = TRUE; - - if (ExtendedEnabled) - return; - - if (SET_IOPL() < 0) - { - FatalError("%s: Failed to set IOPL for extended I/O\n", - "xf86EnableIOPorts"); - } - ExtendedEnabled = TRUE; - - return; -} - -void -xf86DisableIOPorts(ScreenNum) -int ScreenNum; -{ - int i; - - ScreenEnabled[ScreenNum] = FALSE; - - if (!ExtendedEnabled) - return; - - for (i = 0; i < MAXSCREENS; i++) - if (ScreenEnabled[i]) - return; - - RESET_IOPL(); - ExtendedEnabled = FALSE; - - return; -} - -#else /* !ALWAYS_USE_EXTENDED */ - -#define DISABLED 0 -#define NON_EXTENDED 1 -#define EXTENDED 2 - -static unsigned *EnabledPorts[MAXSCREENS]; -static int NumEnabledPorts[MAXSCREENS]; -static Bool ScreenEnabled[MAXSCREENS]; -static Bool ExtendedPorts[MAXSCREENS]; -static Bool ExtendedEnabled = FALSE; -static Bool InitDone = FALSE; -static struct kd_disparam OrigParams; - -void xf86ClearIOPortList(ScreenNum) -int ScreenNum; -{ - if (!InitDone) - { - xf86InitPortLists(EnabledPorts, NumEnabledPorts, ScreenEnabled, - ExtendedPorts, MAXSCREENS); - if (ioctl(xf86Info.consoleFd, KDDISPTYPE, &OrigParams) < 0) - { - FatalError("%s: Could not get display parameters\n", - "xf86ClearIOPortList"); - } - InitDone = TRUE; - return; - } - ExtendedPorts[ScreenNum] = FALSE; - if (EnabledPorts[ScreenNum] != (unsigned *)NULL) - xfree(EnabledPorts[ScreenNum]); - EnabledPorts[ScreenNum] = (unsigned *)NULL; - NumEnabledPorts[ScreenNum] = 0; -} - -void xf86AddIOPorts(ScreenNum, NumPorts, Ports) -int ScreenNum; -int NumPorts; -unsigned *Ports; -{ - int i; - - if (!InitDone) - { - FatalError("xf86AddIOPorts: I/O control lists not initialised\n"); - } - EnabledPorts[ScreenNum] = xrealloc(EnabledPorts[ScreenNum], - (NumEnabledPorts[ScreenNum]+NumPorts)*sizeof(unsigned)); - for (i = 0; i < NumPorts; i++) - { - EnabledPorts[ScreenNum][NumEnabledPorts[ScreenNum] + i] = - Ports[i]; - if (Ports[i] > 0x3FF) - ExtendedPorts[ScreenNum] = TRUE; - } - NumEnabledPorts[ScreenNum] += NumPorts; -} - -void xf86EnableIOPorts(ScreenNum) -int ScreenNum; -{ - struct kd_disparam param; - int i, j; - - if (ScreenEnabled[ScreenNum]) - return; - - for (i = 0; i < MAXSCREENS; i++) - { - if (ExtendedPorts[i] && (ScreenEnabled[i] || i == ScreenNum)) - { - if (SET_IOPL() < 0) - { - FatalError("%s: Failed to set IOPL for extended I/O\n", - "xf86EnableIOPorts"); - } - ExtendedEnabled = TRUE; - break; - } - } - if (ExtendedEnabled && i == MAXSCREENS) - { - RESET_IOPL(); - ExtendedEnabled = FALSE; - } - if (ioctl(xf86Info.consoleFd, KDDISPTYPE, ¶m) < 0) - { - FatalError("%s: Could not get display parameters\n", - "xf86EnableIOPorts"); - } - for (i = 0; i < NumEnabledPorts[ScreenNum]; i++) - { - unsigned port = EnabledPorts[ScreenNum][i]; - - if (port > 0x3FF) - continue; - - if (!xf86CheckPorts(port, EnabledPorts, NumEnabledPorts, - ScreenEnabled, MAXSCREENS)) - { - continue; - } - for (j=0; j < MKDIOADDR; j++) - { - if (param.ioaddr[j] == port) - { - break; - } - } - if (j == MKDIOADDR) - { - if (ioctl(xf86Info.consoleFd, KDADDIO, port) < 0) - { - FatalError("%s: Failed to enable port 0x%x\n", - "xf86EnableIOPorts", port); - } - } - } - if (ioctl(xf86Info.consoleFd, KDENABIO, 0) < 0) - { - FatalError("xf86EnableIOPorts: I/O port enable failed (%s)\n", - strerror(errno)); - } - ScreenEnabled[ScreenNum] = TRUE; - return; -} - -void xf86DisableIOPorts(ScreenNum) -int ScreenNum; -{ - struct kd_disparam param; - int i, j; - - if (!ScreenEnabled[ScreenNum]) - return; - - ScreenEnabled[ScreenNum] = FALSE; - for (i = 0; i < MAXSCREENS; i++) - { - if (ScreenEnabled[i] && ExtendedPorts[i]) - break; - } - if (ExtendedEnabled && i == MAXSCREENS) - { - RESET_IOPL(); - ExtendedEnabled = FALSE; - } - /* Turn off I/O before changing the access list */ - ioctl(xf86Info.consoleFd, KDDISABIO, 0); - if (ioctl(xf86Info.consoleFd, KDDISPTYPE, ¶m) < 0) - { - ErrorF("%s: Could not get display parameters\n", - "xf86DisableIOPorts"); - return; - } - - for (i=0; i < MKDIOADDR; i++) - { - if (param.ioaddr[i] == 0) - { - break; - } - if (!xf86CheckPorts(param.ioaddr[i], EnabledPorts, - NumEnabledPorts, ScreenEnabled, MAXSCREENS)) - { - continue; - } - for (j=0; j < MKDIOADDR; j++) - { - if (param.ioaddr[i] == OrigParams.ioaddr[j]) - { - /* - * Port was one of the original ones; don't - * touch it. - */ - break; - } - } - if (j == MKDIOADDR) - { - /* - * We added this port, so remove it. - */ - ioctl(xf86Info.consoleFd, KDDELIO, param.ioaddr[i]); - } - } - for (i = 0; i < MAXSCREENS; i++) - { - if (ScreenEnabled[i]) - { - ioctl(xf86Info.consoleFd, KDENABIO, 0); - break; - } - } - return; -} -#endif - -void xf86DisableIOPrivs() -{ - if (ExtendedEnabled) - RESET_IOPL(); - return; -} - -/***************************************************************************/ -/* Interrupt Handling section */ -/***************************************************************************/ - - -Bool xf86DisableInterrupts() -{ - -#ifdef __GNUC__ - __asm__ __volatile__("cli"); -#else - asm("cli"); -#endif /* __GNUC__ */ - - return(TRUE); -} - -void xf86EnableInterrupts() -{ - -#ifdef __GNUC__ - __asm__ __volatile__("sti"); -#else - asm("sti"); -#endif /* __GNUC__ */ - - return; -} - - -void -xf86MapReadSideEffects(int ScreenNum, int Flags, pointer Base, - unsigned long Size) -{ -} - |