From f7025b4baa1ba35ee796785641f04eac5bedb0a6 Mon Sep 17 00:00:00 2001 From: marha Date: Wed, 5 Oct 2011 17:37:34 +0200 Subject: mkfontscale pixman xserver xtrans libX11 libXdmcp libxcb libXmu mesa git update 5 oct 2011 --- xorg-server/hw/xfree86/os-support/bsd/arm_video.c | 1332 ++++++++++----------- 1 file changed, 666 insertions(+), 666 deletions(-) (limited to 'xorg-server/hw/xfree86/os-support/bsd/arm_video.c') diff --git a/xorg-server/hw/xfree86/os-support/bsd/arm_video.c b/xorg-server/hw/xfree86/os-support/bsd/arm_video.c index 10cfee764..eb631a7f3 100644 --- a/xorg-server/hw/xfree86/os-support/bsd/arm_video.c +++ b/xorg-server/hw/xfree86/os-support/bsd/arm_video.c @@ -1,666 +1,666 @@ -/* - * Copyright 1992 by Rich Murphey - * Copyright 1993 by David Wexelblat - * - * 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. - * - */ - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include -#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 = getpagesize(); - 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 */ - -#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 - - +/* + * Copyright 1992 by Rich Murphey + * Copyright 1993 by David Wexelblat + * + * 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. + * + */ + +#ifdef HAVE_XORG_CONFIG_H +#include +#endif + +#include +#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.consoleFd, + (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 = getpagesize(); + 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.consoleFd, 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.consoleFd, + (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 */ + +#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 + + -- cgit v1.2.3