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-rw-r--r--xorg-server/hw/xfree86/os-support/solaris/sun_agp.c654
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 e6a55a48b..a5fb5c6e6 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 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, 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 ((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;
-}
-
+/*
+ * 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, 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 ((info = calloc(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;
+}
+