summaryrefslogtreecommitdiff
path: root/hw/xfree86/os-support/linux/lnx_video.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/xfree86/os-support/linux/lnx_video.c')
-rw-r--r--hw/xfree86/os-support/linux/lnx_video.c207
1 files changed, 1 insertions, 206 deletions
diff --git a/hw/xfree86/os-support/linux/lnx_video.c b/hw/xfree86/os-support/linux/lnx_video.c
index 4c64fa447..688106af4 100644
--- a/hw/xfree86/os-support/linux/lnx_video.c
+++ b/hw/xfree86/os-support/linux/lnx_video.c
@@ -77,8 +77,6 @@ extern int iopl(int __level);
extern void sethae(unsigned long hae);
-# define isJensen (axpSystem == JENSEN)
-
# define BUS_BASE bus_base
#else
@@ -97,10 +95,6 @@ static void unmapVidMem(int, pointer, unsigned long);
static pointer mapVidMemSparse(int, unsigned long, unsigned long, int);
extern axpDevice lnxGetAXP(void);
static void unmapVidMemSparse(int, pointer, unsigned long);
-# if defined(JENSEN_SUPPORT)
-static pointer mapVidMemJensen(int, unsigned long, unsigned long, int);
-static void unmapVidMemJensen(int, pointer, unsigned long);
-# endif
static axpDevice axpSystem = -1;
static Bool needSparse;
static unsigned long hae_thresh;
@@ -388,17 +382,7 @@ xf86OSInitVidMem(VidMemInfoPtr pVidMem)
}
bus_base = _bus_base();
}
- if (isJensen) {
-# ifndef JENSEN_SUPPORT
- FatalError("Jensen is not supported any more\n"
- "If you are intereseted in fixing Jensen support\n"
- "please contact xorg@lists.freedesktop.org\n");
-# else
- xf86Msg(X_INFO,"Machine type is Jensen\n");
- pVidMem->mapMem = mapVidMemJensen;
- pVidMem->unmapMem = unmapVidMemJensen;
-# endif /* JENSEN_SUPPORT */
- } else if (needSparse) {
+ if (needSparse) {
xf86Msg(X_INFO,"Machine needs sparse mapping\n");
pVidMem->mapMem = mapVidMemSparse;
pVidMem->unmapMem = unmapVidMemSparse;
@@ -584,24 +568,6 @@ xf86DisableIO(void)
return;
}
-/*
- * Don't use these two functions. They can't possibly work. If you actually
- * need interrupts off for something, you ought to be doing it in the kernel
- * anyway.
- */
-
-_X_EXPORT Bool
-xf86DisableInterrupts()
-{
- return (TRUE);
-}
-
-_X_EXPORT void
-xf86EnableInterrupts()
-{
- return;
-}
-
#if defined (__alpha__)
#define vuip volatile unsigned int *
@@ -922,175 +888,4 @@ _X_EXPORT int (*xf86ReadMmio16)(pointer Base, unsigned long Offset)
_X_EXPORT int (*xf86ReadMmio32)(pointer Base, unsigned long Offset)
= readDense32;
-#ifdef JENSEN_SUPPORT
-
-static int
-readSparseJensen8(pointer Base, register unsigned long Offset);
-static int
-readSparseJensen16(pointer Base, register unsigned long Offset);
-static int
-readSparseJensen32(pointer Base, register unsigned long Offset);
-static void
-writeSparseJensen8(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseJensen16(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseJensen32(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseJensenNB8(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseJensenNB16(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseJensenNB32(int Value, pointer Base, register unsigned long Offset);
-
-/*
- * The Jensen lacks dense memory, thus we have to address the bus via
- * the sparse addressing scheme.
- *
- * Martin Ostermann (ost@comnets.rwth-aachen.de) - Apr.-Sep. 1996
- */
-
-#ifdef TEST_JENSEN_CODE
-#define SPARSE (5)
-#else
-#define SPARSE (7)
-#endif
-
-#define JENSEN_SHIFT(x) ((long)x<<SPARSE)
-
-static pointer
-mapVidMemJensen(int ScreenNum, unsigned long Base, unsigned long Size, int flags)
-{
- pointer base;
- int fd, prot;
-
- xf86WriteMmio8 = writeSparseJensen8;
- xf86WriteMmio16 = writeSparseJensen16;
- xf86WriteMmio32 = writeSparseJensen32;
- xf86WriteMmioNB8 = writeSparseJensenNB8;
- xf86WriteMmioNB16 = writeSparseJensenNB16;
- xf86WriteMmioNB32 = writeSparseJensenNB32;
- xf86ReadMmio8 = readSparseJensen8;
- xf86ReadMmio16 = readSparseJensen16;
- xf86ReadMmio32 = readSparseJensen32;
-
- fd = open(DEV_MEM, (flags & VIDMEM_READONLY) ? O_RDONLY : O_RDWR);
- if (fd < 0) {
- FatalError("xf86MapVidMem: failed to open " DEV_MEM " (%s)\n",
- strerror(errno));
- }
-
- if (flags & VIDMEM_READONLY)
- prot = PROT_READ;
- else
- prot = PROT_READ | PROT_WRITE;
-
- /* This requires linux-0.99.pl10 or above */
- base = mmap((caddr_t)0, JENSEN_SHIFT(Size),
- prot, MAP_SHARED, fd,
- (off_t)(JENSEN_SHIFT((off_t)Base) + _bus_base_sparse()));
- close(fd);
- if (base == MAP_FAILED) {
- FatalError("xf86MapVidMem: Could not mmap framebuffer"
- " (0x%08x,0x%x) (%s)\n", Base, Size,
- strerror(errno));
- }
- return base;
-}
-
-static void
-unmapVidMemJensen(int ScreenNum, pointer Base, unsigned long Size)
-{
- munmap((caddr_t)Base, JENSEN_SHIFT(Size));
-}
-
-static int
-readSparseJensen8(pointer Base, register unsigned long Offset)
-{
- register unsigned long result, shift;
-
- mem_barrier();
- shift = (Offset & 0x3) << 3;
-
- result = *(vuip) ((unsigned long)Base + (Offset << SPARSE));
-
- result >>= shift;
- return 0xffUL & result;
-}
-
-static int
-readSparseJensen16(pointer Base, register unsigned long Offset)
-{
- register unsigned long result, shift;
-
- mem_barrier();
- shift = (Offset & 0x2) << 3;
-
- result = *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(1<<(SPARSE-2)));
-
- result >>= shift;
- return 0xffffUL & result;
-}
-
-static int
-readSparseJensen32(pointer Base, register unsigned long Offset)
-{
- register unsigned long result;
-
- mem_barrier();
- result = *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(3<<(SPARSE-2)));
-
- return result;
-}
-
-static void
-writeSparseJensen8(int Value, pointer Base, register unsigned long Offset)
-{
- register unsigned int b = Value & 0xffU;
-
- write_mem_barrier();
- *(vuip) ((unsigned long)Base + (Offset << SPARSE)) = b * 0x01010101;
-}
-
-static void
-writeSparseJensen16(int Value, pointer Base, register unsigned long Offset)
-{
- register unsigned int w = Value & 0xffffU;
-
- write_mem_barrier();
- *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(1<<(SPARSE-2))) =
- w * 0x00010001;
-}
-
-static void
-writeSparseJensen32(int Value, pointer Base, register unsigned long Offset)
-{
- write_mem_barrier();
- *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(3<<(SPARSE-2))) = Value;
-}
-
-static void
-writeSparseJensenNB8(int Value, pointer Base, register unsigned long Offset)
-{
- register unsigned int b = Value & 0xffU;
-
- *(vuip) ((unsigned long)Base + (Offset << SPARSE)) = b * 0x01010101;
-}
-
-static void
-writeSparseJensenNB16(int Value, pointer Base, register unsigned long Offset)
-{
- register unsigned int w = Value & 0xffffU;
-
- *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(1<<(SPARSE-2))) =
- w * 0x00010001;
-}
-
-static void
-writeSparseJensenNB32(int Value, pointer Base, register unsigned long Offset)
-{
- *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(3<<(SPARSE-2))) = Value;
-}
-#endif /* JENSEN_SUPPORT */
-
#endif /* __alpha__ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 17:36:55 +0000