From a233ed27754bb0d373d63569d9a28aeb8fee5b82 Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 15 Sep 2009 10:39:59 +0000 Subject: Checked in xorg-server-1.6.99.901 --- xorg-server/hw/kdrive/linux/agp.c | 354 -------------------------------------- 1 file changed, 354 deletions(-) delete mode 100644 xorg-server/hw/kdrive/linux/agp.c (limited to 'xorg-server/hw/kdrive/linux/agp.c') diff --git a/xorg-server/hw/kdrive/linux/agp.c b/xorg-server/hw/kdrive/linux/agp.c deleted file mode 100644 index 80fb7259b..000000000 --- a/xorg-server/hw/kdrive/linux/agp.c +++ /dev/null @@ -1,354 +0,0 @@ -/* - * Abstraction of the AGP GART interface. - * - * This version is for both Linux and FreeBSD. - * - * Copyright © 2000-2001 Nokia Home Communications - * Copyright © 2000 VA Linux Systems, Inc. - -All rights reserved. - -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, and/or sell copies of the Software, and to permit persons -to whom the Software is furnished to do so, provided that the above -copyright notice(s) and this permission notice appear in all copies of -the Software and that both the above copyright notice(s) and this -permission notice appear in supporting documentation. - -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 -OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR -HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR 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. - -Except as contained in this notice, the name of a copyright holder -shall not be used in advertising or otherwise to promote the sale, use -or other dealings in this Software without prior written authorization -of the copyright holder. - - */ - -/* - * Author: Pontus Lidman (adaption to KDrive) and others - */ - -#ifdef HAVE_CONFIG_H -#include -#endif -#include -#include "misc.h" - -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include "agp.h" - -#if defined(linux) -#include - -#include - -#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) -#include -#include -#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; - -/* - * Open /dev/agpgart. Keep it open until server exit. - */ - -static Bool -GARTInit(void) -{ - static Bool initDone = FALSE; - 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) { - fprintf(stderr, "Unable to open " AGP_DEVICE " (%s)\n", - strerror(errno)); - return FALSE; - } - - KdAcquireGART(-1); - /* Check the kernel driver version. */ - if (ioctl(gartFd, AGPIOC_INFO, &agpinf) != 0) { - fprintf(stderr, "GARTInit: AGPIOC_INFO failed (%s)\n", - strerror(errno)); - close(gartFd); - gartFd = -1; - return FALSE; - } - KdReleaseGART(-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)) { - fprintf(stderr, - "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 -KdAgpGARTSupported() -{ - return GARTInit(); -} - -AgpInfoPtr -KdGetAGPInfo(int screenNum) -{ - struct _agp_info agpinf; - AgpInfoPtr info; - - if (!GARTInit()) - return NULL; - - - if ((info = calloc(sizeof(AgpInfo), 1)) == NULL) { - fprintf(stderr, "Failed to allocate AgpInfo\n"); - return NULL; - } - - if (ioctl(gartFd, AGPIOC_INFO, &agpinf) != 0) { - fprintf(stderr, - "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; - - return info; -} - -/* - * XXX If multiple screens can acquire the GART, should we have a reference - * count instead of using acquiredScreen? - */ - -Bool -KdAcquireGART(int screenNum) -{ - if (screenNum != -1 && !GARTInit()) - return FALSE; - - if (screenNum == -1 || acquiredScreen != screenNum) { - if (ioctl(gartFd, AGPIOC_ACQUIRE, 0) != 0) { - fprintf(stderr, - "AGPIOC_ACQUIRE failed (%s)\n", - strerror(errno)); - return FALSE; - } - acquiredScreen = screenNum; - } - - return TRUE; -} - -Bool -KdReleaseGART(int screenNum) -{ - if (screenNum != -1 && !GARTInit()) - return FALSE; - - if (acquiredScreen == screenNum) { - if (ioctl(gartFd, AGPIOC_RELEASE, 0) != 0) { - fprintf(stderr, - "AGPIOC_RELEASE failed (%s)\n", - strerror(errno)); - return FALSE; - } - acquiredScreen = -1; - return TRUE; - } - return FALSE; -} - -int -KdAllocateGARTMemory(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() || 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) { - fprintf(stderr, "KdAllocateGARTMemory: " - "allocation of %d pages failed\n\t(%s)\n", pages, - strerror(errno)); - return -1; - } - - if (physical) - *physical = alloc.physical; - - return alloc.key; -} - - -/* Bind GART memory with "key" at "offset" */ -Bool -KdBindGARTMemory(int screenNum, int key, unsigned long offset) -{ - struct _agp_bind bind; - int pageOffset; - - if (!GARTInit() || acquiredScreen != screenNum) - return FALSE; - - if (acquiredScreen != screenNum) { - fprintf(stderr, - "AGP not acquired by this screen\n"); - return FALSE; - } - - if (offset % AGP_PAGE_SIZE != 0) { - fprintf(stderr, "KdBindGARTMemory: " - "offset (0x%lx) is not page-aligned (%d)\n", - offset, AGP_PAGE_SIZE); - return FALSE; - } - pageOffset = offset / AGP_PAGE_SIZE; - - bind.pg_start = pageOffset; - bind.key = key; - - if (ioctl(gartFd, AGPIOC_BIND, &bind) != 0) { - fprintf(stderr, "KdBindGARTMemory: " - "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 -KdUnbindGARTMemory(int screenNum, int key) -{ - struct _agp_unbind unbind; - - if (!GARTInit() || acquiredScreen != screenNum) - return FALSE; - - if (acquiredScreen != screenNum) { - fprintf(stderr, - "AGP not acquired by this screen\n"); - return FALSE; - } - - unbind.priority = 0; - unbind.key = key; - - if (ioctl(gartFd, AGPIOC_UNBIND, &unbind) != 0) { - fprintf(stderr, "KdUnbindGARTMemory: " - "unbinding of gart memory with key %d " - "failed (%s)\n", key, strerror(errno)); - return FALSE; - } - - return TRUE; -} - - -/* XXX Interface may change. */ -Bool -KdEnableAGP(int screenNum, CARD32 mode) -{ - agp_setup setup; - - if (!GARTInit() || acquiredScreen != screenNum) - return FALSE; - - setup.agp_mode = mode; - if (ioctl(gartFd, AGPIOC_SETUP, &setup) != 0) { - fprintf(stderr, "KdEnableAGP: " - "AGPIOC_SETUP with mode %ld failed (%s)\n", - mode, strerror(errno)); - return FALSE; - } - - return TRUE; -} - -- cgit v1.2.3