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Diffstat (limited to 'xorg-server/hw/kdrive/src/kmap.c')
-rw-r--r--xorg-server/hw/kdrive/src/kmap.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/xorg-server/hw/kdrive/src/kmap.c b/xorg-server/hw/kdrive/src/kmap.c
deleted file mode 100644
index 60e8ae134..000000000
--- a/xorg-server/hw/kdrive/src/kmap.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * Copyright © 1999 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR 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.
- */
-
-#include <kdrive-config.h>
-#include "kdrive.h"
-
-#include <errno.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#ifdef HAVE_ASM_MTRR_H
-#include <asm/mtrr.h>
-#endif
-
-#include <sys/ioctl.h>
-
-void *
-KdMapDevice (CARD32 addr, CARD32 size)
-{
-#ifdef WINDOWS
- void *a;
- void *d;
-
- d = VirtualAlloc (NULL, size, MEM_RESERVE, PAGE_NOACCESS);
- if (!d)
- return NULL;
- DRAW_DEBUG ((DEBUG_S3INIT, "Virtual address of 0x%x is 0x%x", addr, d));
- a = VirtualCopyAddr (addr);
- DRAW_DEBUG ((DEBUG_S3INIT, "Translated address is 0x%x", a));
- if (!VirtualCopy (d, a, size,
- PAGE_READWRITE|PAGE_NOCACHE|PAGE_PHYSICAL))
- {
- DRAW_DEBUG ((DEBUG_FAILURE, "VirtualCopy failed %d",
- GetLastError ()));
- return NULL;
- }
- DRAW_DEBUG ((DEBUG_S3INIT, "Device mapped successfully"));
- return d;
-#endif
-#ifdef linux
- void *a;
- int fd;
-
-#ifdef __arm__
- fd = open ("/dev/mem", O_RDWR|O_SYNC);
-#else
- fd = open ("/dev/mem", O_RDWR);
-#endif
- if (fd < 0)
- FatalError ("KdMapDevice: failed to open /dev/mem (%s)\n",
- strerror (errno));
-
- a = mmap ((caddr_t) 0, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, addr);
- close (fd);
- if ((long) a == -1)
- FatalError ("KdMapDevice: failed to map frame buffer (%s)\n",
- strerror (errno));
- return a;
-#endif
-}
-
-void
-KdUnmapDevice (void *addr, CARD32 size)
-{
-#ifdef WINDOWS
- VirtualFree (addr, size, MEM_DECOMMIT);
- VirtualFree (addr, 0, MEM_RELEASE);
-#endif
-#ifdef linux
- munmap (addr, size);
-#endif
-}
-
-#ifdef HAVE_ASM_MTRR_H
-static int mtrr;
-#endif
-
-void
-KdSetMappedMode (CARD32 addr, CARD32 size, int mode)
-{
-#ifdef HAVE_ASM_MTRR_H
- struct mtrr_sentry sentry;
- unsigned long base, bound;
- unsigned int type = MTRR_TYPE_WRBACK;
-
- if (addr < 0x100000)
- return;
- if (!mtrr)
- mtrr = open ("/proc/mtrr", 2);
- if (mtrr > 0)
- {
- unsigned long nsize;
- base = addr & ~((1<<22)-1);
- bound = ((addr + size) + ((1<<22) - 1)) & ~((1<<22) - 1);
- nsize = 1;
- while (nsize < (bound - base))
- nsize <<= 1;
- switch (mode) {
- case KD_MAPPED_MODE_REGISTERS:
- type = MTRR_TYPE_UNCACHABLE;
- break;
- case KD_MAPPED_MODE_FRAMEBUFFER:
- type = MTRR_TYPE_WRCOMB;
- break;
- }
- sentry.base = base;
- sentry.size = nsize;
- sentry.type = type;
-
- if (ioctl (mtrr, MTRRIOC_ADD_ENTRY, &sentry) < 0)
- ErrorF ("MTRRIOC_ADD_ENTRY failed 0x%x 0x%x %d (%s)\n",
- base, bound - base, type, strerror(errno));
- }
-#endif
-}
-
-void
-KdResetMappedMode (CARD32 addr, CARD32 size, int mode)
-{
-#ifdef HAVE_ASM_MTRR_H
- struct mtrr_sentry sentry;
- unsigned long base, bound;
- unsigned int type = MTRR_TYPE_WRBACK;
-
- if (addr < 0x100000)
- return;
- if (!mtrr)
- mtrr = open ("/proc/mtrr", 2);
- if (mtrr > 0)
- {
- unsigned long nsize;
- base = addr & ~((1<<22)-1);
- bound = ((addr + size) + ((1<<22) - 1)) & ~((1<<22) - 1);
- nsize = 1;
- while (nsize < (bound - base))
- nsize <<= 1;
- switch (mode) {
- case KD_MAPPED_MODE_REGISTERS:
- type = MTRR_TYPE_UNCACHABLE;
- break;
- case KD_MAPPED_MODE_FRAMEBUFFER:
- type = MTRR_TYPE_WRCOMB;
- break;
- }
- sentry.base = base;
- sentry.size = nsize;
- sentry.type = type;
-
- if (ioctl (mtrr, MTRRIOC_DEL_ENTRY, &sentry) < 0)
- ErrorF ("MTRRIOC_DEL_ENTRY failed 0x%x 0x%x %d (%s)\n",
- base, bound - base, type, strerror(errno));
- }
-#endif
-}