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author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2015-02-02 15:02:49 +0100 |
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committer | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2015-02-02 15:02:49 +0100 |
commit | b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 (patch) | |
tree | 4361edef0d42d5bf5ac984ef72b4fac35426eae7 /nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/arm_video.c | |
parent | 0d5a83e986f39982c0924652a3662e60b1f23162 (diff) | |
download | nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.tar.gz nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.tar.bz2 nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.zip |
massive reduction of unneeded files
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/arm_video.c')
-rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/arm_video.c | 690 |
1 files changed, 0 insertions, 690 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/arm_video.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/arm_video.c deleted file mode 100644 index 98fb8f993..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/arm_video.c +++ /dev/null @@ -1,690 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/arm_video.c,v 1.1tsi Exp $ */ -/* - * Copyright 1992 by Rich Murphey <Rich@Rice.edu> - * 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 Rich Murphey and David Wexelblat - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. Rich Murphey 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. - * - * RICH MURPHEY AND DAVID WEXELBLAT DISCLAIM ALL WARRANTIES WITH REGARD TO - * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL RICH MURPHEY 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. - * - */ - -/* - * The ARM32 code here carries the following copyright: - * - * Copyright 1997 - * Digital Equipment Corporation. All rights reserved. - * This software is furnished under license and may be used and copied only in - * accordance with the following terms and conditions. Subject to these - * conditions, you may download, copy, install, use, modify and distribute - * this software in source and/or binary form. No title or ownership is - * transferred hereby. - * - * 1) Any source code used, modified or distributed must reproduce and retain - * this copyright notice and list of conditions as they appear in the - * source file. - * - * 2) No right is granted to use any trade name, trademark, or logo of Digital - * Equipment Corporation. Neither the "Digital Equipment Corporation" - * name nor any trademark or logo of Digital Equipment Corporation may be - * used to endorse or promote products derived from this software without - * the prior written permission of Digital Equipment Corporation. - * - * 3) This software is provided "AS-IS" and any express or implied warranties, - * including but not limited to, any implied warranties of merchantability, - * fitness for a particular purpose, or non-infringement are disclaimed. - * In no event shall DIGITAL be liable for any damages whatsoever, and in - * particular, DIGITAL shall not be liable for special, indirect, - * consequential, or incidental damages or damages for lost profits, loss - * of revenue or loss of use, whether such damages arise in contract, - * negligence, tort, under statute, in equity, at law or otherwise, even - * if advised of the possibility of such damage. - * - */ - -/* $XConsortium: bsd_video.c /main/10 1996/10/25 11:37:57 kaleb $ */ - -#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" - -#ifdef __arm32__ -#include "machine/devmap.h" -struct memAccess -{ - int ioctl; - struct map_info memInfo; - pointer regionVirtBase; - Bool Checked; - Bool OK; -}; - -static pointer xf86MapInfoMap(); -static void xf86MapInfoUnmap(); -static struct memAccess *checkMapInfo(); -extern int vgaPhysLinearBase; - -/* A memAccess structure is needed for each possible region */ -struct memAccess vgaMemInfo = { CONSOLE_GET_MEM_INFO, NULL, NULL, - FALSE, FALSE }; -struct memAccess linearMemInfo = { CONSOLE_GET_LINEAR_INFO, NULL, NULL, - FALSE, FALSE }; -struct memAccess ioMemInfo = { CONSOLE_GET_IO_INFO, NULL, NULL, - FALSE, FALSE }; -#endif /* __arm32__ */ - -#if defined(__NetBSD__) && !defined(MAP_FILE) -#define MAP_FLAGS MAP_SHARED -#else -#define MAP_FLAGS (MAP_FILE | MAP_SHARED) -#endif - -#ifndef MAP_FAILED -#define MAP_FAILED ((caddr_t)-1) -#endif - - -#define BUS_BASE 0L -#define BUS_BASE_BWX 0L - - -/***************************************************************************/ -/* Video Memory Mapping section */ -/***************************************************************************/ - -static Bool useDevMem = FALSE; -static int devMemFd = -1; - -#define DEV_MEM "/dev/mem" - -static pointer mapVidMem(int, unsigned long, unsigned long, int); -static void unmapVidMem(int, pointer, unsigned long); - -/* - * Check if /dev/mem can be mmap'd. If it can't print a warning when - * "warn" is TRUE. - */ -static void -checkDevMem(Bool warn) -{ - static Bool devMemChecked = FALSE; - int fd; - pointer base; - - if (devMemChecked) - return; - devMemChecked = TRUE; - - if ((fd = open(DEV_MEM, O_RDWR)) >= 0) - { - /* Try to map a page at the VGA address */ - base = mmap((caddr_t)0, 4096, PROT_READ | PROT_WRITE, - MAP_FLAGS, fd, (off_t)0xA0000 + BUS_BASE); - - if (base != MAP_FAILED) - { - munmap((caddr_t)base, 4096); - devMemFd = fd; - useDevMem = TRUE; - return; - } else { - /* This should not happen */ - if (warn) - { - xf86Msg(X_WARNING, "checkDevMem: failed to mmap %s (%s)\n", - DEV_MEM, strerror(errno)); - } - useDevMem = FALSE; - return; - } - } - if (warn) - { - xf86Msg(X_WARNING, "checkDevMem: failed to open %s (%s)\n", - DEV_MEM, strerror(errno)); - } - useDevMem = FALSE; - return; -} - -void -xf86OSInitVidMem(VidMemInfoPtr pVidMem) -{ - - checkDevMem(TRUE); - pVidMem->linearSupported = useDevMem; - pVidMem->mapMem = armMapVidMem; - pVidMem->unmapVidMem = armUnmapVidMem; - - pVidMem->initialised = TRUE; -} - -static pointer -mapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags) -{ - pointer base; - - checkDevMem(FALSE); - - if (useDevMem) - { - if (devMemFd < 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_FLAGS, devMemFd, (off_t)Base + BUS_BASE_BWX); - if (base == MAP_FAILED) - { - FatalError("%s: could not mmap %s [s=%x,a=%x] (%s)\n", - "xf86MapVidMem", DEV_MEM, Size, Base, - strerror(errno)); - } - return(base); - } - - /* else, mmap /dev/vga */ - if ((unsigned long)Base < 0xA0000 || (unsigned long)Base >= 0xC0000) - { - FatalError("%s: Address 0x%x outside allowable range\n", - "xf86MapVidMem", Base); - } - base = mmap(0, Size, - (flags & VIDMEM_READONLY) ? - PROT_READ : (PROT_READ | PROT_WRITE), - MAP_FLAGS, xf86Info.screenFd, - (unsigned long)Base - 0xA0000); - if (base == MAP_FAILED) - { - FatalError("xf86MapVidMem: Could not mmap /dev/vga (%s)\n", - strerror(errno)); - } - return(base); -} - -static void -unmapVidMem(int ScreenNum, pointer Base, unsigned long Size) -{ - munmap((caddr_t)Base, Size); -} - -/* - * Read BIOS via mmap()ing DEV_MEM - */ - -int -xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf, - int Len) -{ - unsigned char *ptr; - int psize; - int mlen; - - checkDevMem(TRUE); - if (devMemFd == -1) { - return(-1); - } - - psize = xf86getpagesize(); - Offset += Base & (psize - 1); - Base &= ~(psize - 1); - mlen = (Offset + Len + psize - 1) & ~(psize - 1); - ptr = (unsigned char *)mmap((caddr_t)0, mlen, PROT_READ, - MAP_SHARED, devMemFd, (off_t)Base+BUS_BASE); - if ((long)ptr == -1) - { - xf86Msg(X_WARNING, - "xf86ReadBIOS: %s mmap[s=%x,a=%x,o=%x] failed (%s)\n", - DEV_MEM, Len, Base, Offset, strerror(errno)); - return(-1); - } -#ifdef DEBUG - ErrorF("xf86ReadBIOS: BIOS at 0x%08x has signature 0x%04x\n", - Base, ptr[0] | (ptr[1] << 8)); -#endif - (void)memcpy(Buf, (void *)(ptr + Offset), Len); - (void)munmap((caddr_t)ptr, mlen); -#ifdef DEBUG - xf86MsgVerb(X_INFO, 3, "xf86ReadBIOS(%x, %x, Buf, %x)" - "-> %02x %02x %02x %02x...\n", - Base, Offset, Len, Buf[0], Buf[1], Buf[2], Buf[3]); -#endif - return(Len); -} - - -/* XXX This needs to be updated for the ND */ - -/* -** Find out whether the console driver provides memory mapping information -** for the specified region and return the map_info pointer. Print a warning if required. -*/ -static struct memAccess * -checkMapInfo(Bool warn, int Region) -{ - struct memAccess *memAccP; - - switch (Region) - { - case VGA_REGION: - memAccP = &vgaMemInfo; - break; - - case LINEAR_REGION: - memAccP = &linearMemInfo; - break; - - case MMIO_REGION: - memAccP = &ioMemInfo; - break; - - default: - return NULL; - break; - } - - if(!memAccP->Checked) - { - if(ioctl(xf86Info.screenFd, memAccP->ioctl, &(memAccP->memInfo)) == -1) - { - if(warn) - { - xf86Msg(X_WARNING, - "checkMapInfo: failed to get map info for region %d\n\t(%s)\n", - Region, strerror(errno)); - } - } - else - { - if(memAccP->memInfo.u.map_info_mmap.map_offset - != MAP_INFO_UNKNOWN) - memAccP->OK = TRUE; - } - memAccP->Checked = TRUE; - } - if (memAccP->OK) - { - return memAccP; - } - else - { - return NULL; - } -} - -static pointer -xf86MapInfoMap(struct memAccess *memInfoP, pointer Base, unsigned long Size) -{ - struct map_info *mapInfoP = &(memInfoP->memInfo); - - if (mapInfoP->u.map_info_mmap.map_size == MAP_INFO_UNKNOWN) - { - Size = (unsigned long)Base + Size; - } - else - { - Size = mapInfoP->u.map_info_mmap.map_size; - } - - switch(mapInfoP->method) - { - case MAP_MMAP: - /* Need to remap if size is unknown because we may not have - mapped the whole region initially */ - if(memInfoP->regionVirtBase == NULL || - mapInfoP->u.map_info_mmap.map_size == MAP_INFO_UNKNOWN) - { - if((memInfoP->regionVirtBase = - mmap((caddr_t)0, - Size, - PROT_READ | PROT_WRITE, - MAP_SHARED, - xf86Info.screenFd, - (unsigned long)mapInfoP->u.map_info_mmap.map_offset)) - == (pointer)-1) - { - FatalError("xf86MapInfoMap: Failed to map memory at 0x%x\n\t%s\n", - mapInfoP->u.map_info_mmap.map_offset, strerror(errno)); - } - if(mapInfoP->u.map_info_mmap.internal_offset > 0) - memInfoP->regionVirtBase += - mapInfoP->u.map_info_mmap.internal_offset; - } - break; - - default: - FatalError("xf86MapInfoMap: Unsuported mapping method\n"); - break; - } - - return (pointer)((int)memInfoP->regionVirtBase + (int)Base); -} - -static void -xf86MapInfoUnmap(struct memAccess *memInfoP, unsigned long Size) -{ - struct map_info *mapInfoP = &(memInfoP->memInfo); - - switch(mapInfoP->method) - { - case MAP_MMAP: - if(memInfoP->regionVirtBase != NULL) - { - if(mapInfoP->u.map_info_mmap.map_size != MAP_INFO_UNKNOWN) - Size = mapInfoP->u.map_info_mmap.map_size; - munmap((caddr_t)memInfoP->regionVirtBase, Size); - memInfoP->regionVirtBase = NULL; - } - break; - default: - FatalError("xf86MapInfoMap: Unsuported mapping method\n"); - break; - } -} - -static pointer -armMapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags) -{ - struct memAccess *memInfoP; - - if((memInfoP = checkMapInfo(FALSE, Region)) != NULL) - { - /* - ** xf86 passes in a physical address offset from the start - ** of physical memory, but xf86MapInfoMap expects an - ** offset from the start of the specified region - it gets - ** the physical address of the region from the display driver. - */ - switch(Region) - { - case LINEAR_REGION: - if (vgaPhysLinearBase) - { - Base -= vgaPhysLinearBase; - } - break; - case VGA_REGION: - Base -= 0xA0000; - break; - } - - base = xf86MapInfoMap(memInfoP, Base, Size); - return (base); - } - return mapVidMem(ScreenNum, Base, Size, flags); -} - -static void -armUnmapVidMem(int ScreenNum, pointer Base, unsigned long Size) -{ - struct memAccess *memInfoP; - - if((memInfoP = checkMapInfo(FALSE, Region)) != NULL) - { - xf86MapInfoUnmap(memInfoP, Base, Size); - } - unmapVidMem(ScreenNum, Base, Size); -} - -#ifdef USE_DEV_IO -static int IoFd = -1; - -Bool -xf86EnableIO() -{ - if (IoFd >= 0) - return TRUE; - - if ((IoFd = open("/dev/io", O_RDWR)) == -1) - { - xf86Msg(X_WARNING,"xf86EnableIO: " - "Failed to open /dev/io for extended I/O\n"); - return FALSE; - } - return TRUE; -} - -void -xf86DisableIO() -{ - if (IoFd < 0) - return; - - close(IoFd); - IoFd = -1; - return; -} - -#endif - -#if defined(USE_ARC_MMAP) || defined(__arm32__) - -Bool -xf86EnableIO() -{ - int fd; - pointer base; - - if (ExtendedEnabled) - return TRUE; - - if ((fd = open("/dev/ttyC0", O_RDWR)) >= 0) { - /* Try to map a page at the pccons I/O space */ - base = (pointer)mmap((caddr_t)0, 65536, PROT_READ | PROT_WRITE, - MAP_FLAGS, fd, (off_t)0x0000); - - if (base != (pointer)-1) { - IOPortBase = base; - } - else { - xf86Msg(X_WARNING,"EnableIO: failed to mmap %s (%s)\n", - "/dev/ttyC0", strerror(errno)); - return FALSE; - } - } - else { - xf86Msg("EnableIO: failed to open %s (%s)\n", - "/dev/ttyC0", strerror(errno)); - return FALSE; - } - - ExtendedEnabled = TRUE; - - return TRUE; -} - -void -xf86DisableIO() -{ - return; -} - -#endif /* USE_ARC_MMAP */ - - -/***************************************************************************/ -/* Interrupt Handling section */ -/***************************************************************************/ - -Bool -xf86DisableInterrupts() -{ - - return(TRUE); -} - -void -xf86EnableInterrupts() -{ - - return; -} - - - -#if 0 -/* - * XXX This is here for reference. It needs to be handled differently for the - * ND. - */ -#if defined(USE_ARC_MMAP) || defined(__arm32__) - -#ifdef USE_ARM32_MMAP -#define DEV_MEM_IOBASE 0x43000000 -#endif - -static Bool ScreenEnabled[MAXSCREENS]; -static Bool ExtendedEnabled = FALSE; -static Bool InitDone = FALSE; - -Bool -xf86EnableIOPorts(ScreenNum) -int ScreenNum; -{ - int i; - int fd; - pointer base; - -#ifdef __arm32__ - struct memAccess *memInfoP; - int *Size; -#endif - - ScreenEnabled[ScreenNum] = TRUE; - - if (ExtendedEnabled) - return TRUE; - -#ifdef USE_ARC_MMAP - if ((fd = open("/dev/ttyC0", O_RDWR)) >= 0) { - /* Try to map a page at the pccons I/O space */ - base = (pointer)mmap((caddr_t)0, 65536, PROT_READ | PROT_WRITE, - MAP_FLAGS, fd, (off_t)0x0000); - - if (base != (pointer)-1) { - IOPortBase = base; - } - else { - xf86Msg(X_ERROR, - "EnableIOPorts: failed to mmap %s (%s)\n", - "/dev/ttyC0", strerror(errno)); - } - } - else { - xf86Msg(X_ERROR, "EnableIOPorts: failed to open %s (%s)\n", - "/dev/ttyC0", strerror(errno)); - } -#endif - -#ifdef __arm32__ - IOPortBase = (unsigned int)-1; - - if((memInfoP = checkMapInfo(TRUE, MMIO_REGION)) != NULL) - { - /* - * xf86MapInfoMap maps an offset from the start of video IO - * space (e.g. 0x3B0), but IOPortBase is expected to map to - * physical address 0x000, so subtract the start of video I/O - * space from the result. This is safe for now becase we - * actually mmap the start of the page, then the start of video - * I/O space is added as an internal offset. - */ - IOPortBase = (unsigned int)xf86MapInfoMap(memInfoP, - (caddr_t)0x0, 0L) - - memInfoP->memInfo.u.map_info_mmap.internal_offset; - ExtendedEnabled = TRUE; - return TRUE; - } -#ifdef USE_ARM32_MMAP - checkDevMem(TRUE); - - if (devMemFd >= 0 && useDevMem) - { - base = (pointer)mmap((caddr_t)0, 0x400, PROT_READ | PROT_WRITE, - MAP_FLAGS, devMemFd, (off_t)DEV_MEM_IOBASE); - - if (base != (pointer)-1) - IOPortBase = (unsigned int)base; - } - - if (IOPortBase == (unsigned int)-1) - { - xf86Msg(X_WARNING,"xf86EnableIOPorts: failed to open mem device or map IO base. \n\ -Make sure you have the Aperture Driver installed, or a kernel built with the INSECURE option\n"); - return FALSE; - } -#else - /* We don't have the IOBASE, so we can't map the address */ - xf86Msg(X_WARNING,"xf86EnableIOPorts: failed to open mem device or map IO base. \n\ -Try building the server with USE_ARM32_MMAP defined\n"); - return FALSE; -#endif -#endif - - ExtendedEnabled = TRUE; - - return TRUE; -} - -void -xf86DisableIOPorts(ScreenNum) -int ScreenNum; -{ - int i; -#ifdef __arm32__ - struct memAccess *memInfoP; -#endif - - ScreenEnabled[ScreenNum] = FALSE; - -#ifdef __arm32__ - if((memInfoP = checkMapInfo(FALSE, MMIO_REGION)) != NULL) - { - xf86MapInfoUnmap(memInfoP, 0); - } -#endif - -#ifdef USE_ARM32_MMAP - if (!ExtendedEnabled) - return; - - for (i = 0; i < MAXSCREENS; i++) - if (ScreenEnabled[i]) - return; - - munmap((caddr_t)IOPortBase, 0x400); - IOPortBase = (unsigned int)-1; - ExtendedEnabled = FALSE; -#endif - - return; -} - -#endif /* USE_ARC_MMAP || USE_ARM32_MMAP */ -#endif - - |