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Add agpgart support for Solaris x86/x64. [Requires Solaris "Nevada" build

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16 or later to get kernel side for now.] (Sophia Li - Sun Microsystems)
This commit is contained in:
Alan Coopersmith 2005-06-09 03:11:58 +00:00
parent ca37d57552
commit 72ca8e1b54
2 changed files with 428 additions and 0 deletions
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109
hw/xfree86/os-support/solaris/agpgart.h Normal file
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/* $XdotOrg: $ */
/*
* AGPGART module version 0.99
* Copyright (C) 1999 Jeff Hartmann
* Copyright (C) 1999 Precision Insight, Inc.
* Copyright (C) 1999 Xi Graphics, Inc.
*
* 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, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* 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. IN NO EVENT SHALL
* JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* 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.
*/
#ifndef _AGPGART_H
#define _AGPGART_H
#pragma ident "@(#)agpgart.h 1.1 05/04/04 SMI"
typedef struct _agp_version {
uint16_t agpv_major;
uint16_t agpv_minor;
} agp_version_t;
typedef struct _agp_info {
agp_version_t agpi_version;
uint32_t agpi_devid; /* bridge vendor + device */
uint32_t agpi_mode; /* mode of bridge */
ulong_t agpi_aperbase; /* base of aperture */
size_t agpi_apersize; /* aperture range size */
uint32_t agpi_pgtotal; /* max number of pages in aperture */
uint32_t agpi_pgsystem; /* same as pg_total */
uint32_t agpi_pgused; /* NUMBER of currently used pages */
} agp_info_t;
typedef struct _agp_setup {
uint32_t agps_mode;
} agp_setup_t;
typedef struct _agp_allocate {
int32_t agpa_key;
uint32_t agpa_pgcount;
uint32_t agpa_type;
uint32_t agpa_physical; /* for i810/830 driver */
} agp_allocate_t;
typedef struct _agp_bind {
int32_t agpb_key;
uint32_t agpb_pgstart;
} agp_bind_t;
typedef struct _agp_unbind {
int32_t agpu_key;
uint32_t agpu_pri; /* no use in solaris */
} agp_unbind_t;
#define AGPIOC_BASE 'G'
#define AGPIOC_INFO _IOR(AGPIOC_BASE, 0, 100)
#define AGPIOC_ACQUIRE _IO(AGPIOC_BASE, 1)
#define AGPIOC_RELEASE _IO(AGPIOC_BASE, 2)
#define AGPIOC_SETUP _IOW(AGPIOC_BASE, 3, agp_setup_t)
#define AGPIOC_ALLOCATE _IOWR(AGPIOC_BASE, 4, agp_allocate_t)
#define AGPIOC_DEALLOCATE _IOW(AGPIOC_BASE, 5, int)
#define AGPIOC_BIND _IOW(AGPIOC_BASE, 6, agp_bind_t)
#define AGPIOC_UNBIND _IOW(AGPIOC_BASE, 7, agp_unbind_t)
#define AGP_DEVICE "/dev/agpgart"
#endif /* _AGPGART_H */

319
hw/xfree86/os-support/solaris/sun_agp.c Normal file
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/* $XdotOrg: $ */
/*
* 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"
#include "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;
}
/* 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;
}