diff options
Diffstat (limited to 'xorg-server/hw/xfree86/os-support')
-rw-r--r-- | xorg-server/hw/xfree86/os-support/solaris/sun_agp.c | 654 |
1 files changed, 327 insertions, 327 deletions
diff --git a/xorg-server/hw/xfree86/os-support/solaris/sun_agp.c b/xorg-server/hw/xfree86/os-support/solaris/sun_agp.c index 8c5c45843..0331ac1c5 100644 --- a/xorg-server/hw/xfree86/os-support/solaris/sun_agp.c +++ b/xorg-server/hw/xfree86/os-support/solaris/sun_agp.c @@ -1,327 +1,327 @@ -/*
- * Abstraction of the AGP GART interface.
- *
- * This version is for Solaris.
- *
- * Copyright © 2000 VA Linux Systems, Inc.
- * Copyright © 2001 The XFree86 Project, Inc.
- */
-/* Copyright (c) 2005, Oracle and/or its affiliates. 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, 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 (including the next
- * paragraph) 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
- * THE AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-
-#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 <sys/agpgart.h>
-
-/* 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 (ioctl(gartFd, AGPIOC_INFO, &agpinf) != 0) {
- xf86DrvMsg(screenNum, X_ERROR,
- "xf86GetAGPInfo: AGPIOC_INFO failed (%s)\n",
- strerror(errno));
- return NULL;
- }
-
- if ((info = calloc(sizeof(AgpInfo), 1)) == NULL) {
- xf86DrvMsg(screenNum, X_ERROR,
- "xf86GetAGPInfo: Failed to allocate AgpInfo\n");
- 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",
- (unsigned int) mode, strerror(errno));
- return FALSE;
- }
-
- return TRUE;
-}
-
+/* + * Abstraction of the AGP GART interface. + * + * This version is for Solaris. + * + * Copyright © 2000 VA Linux Systems, Inc. + * Copyright © 2001 The XFree86 Project, Inc. + */ +/* Copyright (c) 2005, Oracle and/or its affiliates. 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, 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 (including the next + * paragraph) 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 + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + */ + +#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 <sys/agpgart.h> + +/* 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 (ioctl(gartFd, AGPIOC_INFO, &agpinf) != 0) { + xf86DrvMsg(screenNum, X_ERROR, + "xf86GetAGPInfo: AGPIOC_INFO failed (%s)\n", + strerror(errno)); + return NULL; + } + + if ((info = calloc(sizeof(AgpInfo), 1)) == NULL) { + xf86DrvMsg(screenNum, X_ERROR, + "xf86GetAGPInfo: Failed to allocate AgpInfo\n"); + 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", + (unsigned int) mode, strerror(errno)); + return FALSE; + } + + return TRUE; +} + |