diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_agp.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_agp.c | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_agp.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_agp.c deleted file mode 100644 index 0460f1299..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_agp.c +++ /dev/null @@ -1,339 +0,0 @@ -/* $XdotOrg: xc/programs/Xserver/hw/xfree86/os-support/sunos/sun_agp.c,v 1.5 2005/08/24 22:37:15 alanc Exp $ */ -/* - * Abstraction of the AGP GART interface. - * - * This version is for Solaris. - * - * Copyright © 2000 VA Linux Systems, Inc. - * Copyright © 2001 The XFree86 Project, Inc. - */ -/* Copyright 2005 Sun Microsystems, 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. - */ - -#pragma ident "@(#)sun_agp.c 1.1 05/04/04 SMI" - -#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 "xf86_OSproc.h" -#include <unistd.h> -#include <sys/ioccom.h> -#include <sys/types.h> -#include <fcntl.h> -#include "agpgart.h" - -#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 - -static int gartFd = -1; -static int acquiredScreen = -1; -static Bool initDone = FALSE; -/* - * Close /dev/agpgart. This frees all associated memory allocated during - * this server generation. - */ -Bool -xf86GARTCloseScreen(int screenNum) -{ - if (gartFd != -1) { - close(gartFd); - acquiredScreen = -1; - gartFd = -1; - initDone = FALSE; - - xf86DrvMsg(screenNum, X_INFO, - "xf86GARTCloseScreen: device closed successfully\n"); - - } - return TRUE; -} - -/* - * Open /dev/agpgart. Keep it open until xf86GARTCloseScreen is called. - */ -static Bool -GARTInit(int screenNum) -{ - if (initDone) - return (gartFd != -1); - - if (gartFd == -1) - gartFd = open(AGP_DEVICE, O_RDWR); - else - return FALSE; - - if (gartFd == -1) { - xf86DrvMsg(screenNum, X_ERROR, - "GARTInit: Unable to open " AGP_DEVICE " (%s)\n", - strerror(errno)); - return FALSE; - } - - initDone = TRUE; - xf86DrvMsg(screenNum, X_INFO, - "GARTInit: " AGP_DEVICE " opened successfully\n"); - - return TRUE; -} - -Bool -xf86AgpGARTSupported(void) -{ - return (GARTInit(-1)); - -} - -AgpInfoPtr -xf86GetAGPInfo(int screenNum) -{ - agp_info_t agpinf; - AgpInfoPtr info; - - if (!GARTInit(screenNum)) - return NULL; - - if ((info = xcalloc(sizeof(AgpInfo), 1)) == NULL) { - xf86DrvMsg(screenNum, X_ERROR, - "xf86GetAGPInfo: Failed to allocate AgpInfo\n"); - return NULL; - } - - if (ioctl(gartFd, AGPIOC_INFO, &agpinf) != 0) { - xf86DrvMsg(screenNum, X_ERROR, - "xf86GetAGPInfo: AGPIOC_INFO failed (%s)\n", - strerror(errno)); - return NULL; - } - - info->bridgeId = agpinf.agpi_devid; - info->agpMode = agpinf.agpi_mode; - info->base = agpinf.agpi_aperbase; - info->size = agpinf.agpi_apersize; - info->totalPages = (unsigned long)agpinf.agpi_pgtotal; - info->systemPages = (unsigned long)agpinf.agpi_pgsystem; - info->usedPages = (unsigned long)agpinf.agpi_pgused; - - return info; -} - -Bool -xf86AcquireGART(int screenNum) -{ - - if (!GARTInit(screenNum)) - return FALSE; - - if (acquiredScreen != screenNum) { - if (ioctl(gartFd, AGPIOC_ACQUIRE, 0) != 0) { - xf86DrvMsg(screenNum, X_WARNING, - "xf86AcquireGART: AGPIOC_ACQUIRE failed (%s)\n", - strerror(errno)); - return FALSE; - } - acquiredScreen = screenNum; - xf86DrvMsg(screenNum, X_INFO, - "xf86AcquireGART: AGPIOC_ACQUIRE succeeded\n"); - } - return TRUE; -} - -Bool -xf86ReleaseGART(int screenNum) -{ - - if (!GARTInit(screenNum)) - return FALSE; - - if (acquiredScreen == screenNum) { - /* - * The FreeBSD agp driver removes allocations on release. - * The Solaris driver doesn't. xf86ReleaseGART() is expected - * to give up access to the GART, but not to remove any - * allocations. - */ - - if (ioctl(gartFd, AGPIOC_RELEASE, 0) != 0) { - xf86DrvMsg(screenNum, X_WARNING, - "xf86ReleaseGART: AGPIOC_RELEASE failed (%s)\n", - strerror(errno)); - return FALSE; - } - acquiredScreen = -1; - xf86DrvMsg(screenNum, X_INFO, - "xf86ReleaseGART: AGPIOC_RELEASE succeeded\n"); - return TRUE; - } - return FALSE; -} - -int -xf86AllocateGARTMemory(int screenNum, unsigned long size, int type, - unsigned long *physical) -{ - agp_allocate_t 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. - * "size" should be larger than 0, or AGPIOC_ALLOCATE ioctl will - * return error. - */ - - if (!GARTInit(screenNum) || (acquiredScreen != screenNum)) - return -1; - - pages = (size / AGP_PAGE_SIZE); - if (size % AGP_PAGE_SIZE != 0) - pages++; - - alloc.agpa_pgcount = pages; - alloc.agpa_type = type; - - if (ioctl(gartFd, AGPIOC_ALLOCATE, &alloc) != 0) { - xf86DrvMsg(screenNum, X_WARNING, "xf86AllocateGARTMemory: " - "allocation of %d pages failed\n\t(%s)\n", pages, - strerror(errno)); - return -1; - } - - if (physical) - *physical = (unsigned long)alloc.agpa_physical; - - return alloc.agpa_key; -} - -Bool -xf86DeallocateGARTMemory(int screenNum, int key) -{ - if (!GARTInit(screenNum) || (acquiredScreen != screenNum)) - return FALSE; - - if (ioctl(gartFd, AGPIOC_DEALLOCATE, (int *)key) != 0) { - xf86DrvMsg(screenNum, X_WARNING, "xf86DeAllocateGARTMemory: " - "deallocation of gart memory with key %d failed\n" - "\t(%s)\n", key, strerror(errno)); - return FALSE; - } - - return TRUE; -} - -/* Bind GART memory with "key" at "offset" */ -Bool -xf86BindGARTMemory(int screenNum, int key, unsigned long offset) -{ - agp_bind_t bind; - int pageOffset; - - if (!GARTInit(screenNum) || (acquiredScreen != screenNum)) - return FALSE; - - if (offset % AGP_PAGE_SIZE != 0) { - xf86DrvMsg(screenNum, X_WARNING, "xf86BindGARTMemory: " - "offset (0x%lx) is not page-aligned (%d)\n", - offset, AGP_PAGE_SIZE); - return FALSE; - } - pageOffset = offset / AGP_PAGE_SIZE; - - xf86DrvMsgVerb(screenNum, X_INFO, 3, - "xf86BindGARTMemory: bind key %d at 0x%08lx " - "(pgoffset %d)\n", key, offset, pageOffset); - - bind.agpb_pgstart = pageOffset; - bind.agpb_key = key; - - if (ioctl(gartFd, AGPIOC_BIND, &bind) != 0) { - xf86DrvMsg(screenNum, X_WARNING, "xf86BindGARTMemory: " - "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 -xf86UnbindGARTMemory(int screenNum, int key) -{ - agp_unbind_t unbind; - - if (!GARTInit(screenNum) || (acquiredScreen != screenNum)) - return FALSE; - - unbind.agpu_pri = 0; - unbind.agpu_key = key; - - if (ioctl(gartFd, AGPIOC_UNBIND, &unbind) != 0) { - xf86DrvMsg(screenNum, X_WARNING, "xf86UnbindGARTMemory: " - "unbinding of gart memory with key %d " - "failed (%s)\n", key, strerror(errno)); - return FALSE; - } - - xf86DrvMsgVerb(screenNum, X_INFO, 3, - "xf86UnbindGARTMemory: unbind key %d\n", key); - - return TRUE; -} - - -/* XXX Interface may change. */ -Bool -xf86EnableAGP(int screenNum, CARD32 mode) -{ - agp_setup_t setup; - - if (!GARTInit(screenNum) || (acquiredScreen != screenNum)) - return FALSE; - - setup.agps_mode = mode; - if (ioctl(gartFd, AGPIOC_SETUP, &setup) != 0) { - xf86DrvMsg(screenNum, X_WARNING, "xf86EnableAGP: " - "AGPIOC_SETUP with mode %x failed (%s)\n", - mode, strerror(errno)); - return FALSE; - } - - return TRUE; -} - |