diff options
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/bsd/alpha_video.c')
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/bsd/alpha_video.c | 434 |
1 files changed, 0 insertions, 434 deletions
diff --git a/xorg-server/hw/xfree86/os-support/bsd/alpha_video.c b/xorg-server/hw/xfree86/os-support/bsd/alpha_video.c index f656f5595..236def6ff 100644 --- a/xorg-server/hw/xfree86/os-support/bsd/alpha_video.c +++ b/xorg-server/hw/xfree86/os-support/bsd/alpha_video.c @@ -35,11 +35,6 @@ #ifndef __NetBSD__ #include <sys/sysctl.h> #endif -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) -#include <machine/sysarch.h> -#endif - -#include "xf86Axp.h" #include "xf86_OSlib.h" #include "xf86OSpriv.h" @@ -50,69 +45,9 @@ #define MAP_FLAGS (MAP_FILE | MAP_SHARED) #endif -axpDevice bsdGetAXP(void); - #ifndef __NetBSD__ extern unsigned long dense_base(void); - -static int axpSystem = -1; -static unsigned long hae_thresh; -static unsigned long hae_mask; - -static unsigned long -memory_base(void) -{ - static unsigned long base = 0; - - if (base == 0) { - size_t len = sizeof(base); - int error; - -#ifdef __OpenBSD__ - int mib[3]; - - mib[0] = CTL_MACHDEP; - mib[1] = CPU_CHIPSET; - mib[2] = CPU_CHIPSET_MEM; - - if ((error = sysctl(mib, 3, &base, &len, NULL, 0)) < 0) -#else - if ((error = sysctlbyname("hw.chipset.memory", &base, &len, 0, 0)) < 0) -#endif - FatalError("xf86MapVidMem: can't find memory\n"); - } - - return base; -} - -static int -has_bwx(void) -{ - static int bwx = 0; - size_t len = sizeof(bwx); - int error; - -#ifdef __OpenBSD__ - int mib[3]; - - mib[0] = CTL_MACHDEP; - mib[1] = CPU_CHIPSET; - mib[2] = CPU_CHIPSET_BWX; - - if ((error = sysctl(mib, 3, &bwx, &len, NULL, 0)) < 0) - return FALSE; - else - return bwx; -#else - if ((error = sysctlbyname("hw.chipset.bwx", &bwx, &len, 0, 0)) < 0) - return FALSE; - else - return bwx; -#endif -} #else /* __NetBSD__ */ -static unsigned long hae_thresh = (1UL << 24); -static unsigned long hae_mask = 0xf8000000UL; /* XXX - should use xf86AXP.c */ static struct alpha_bus_window *abw; static int abw_count = -1; @@ -126,16 +61,6 @@ init_abw(void) } } -static int -has_bwx(void) -{ - if (abw_count < 0) - init_abw(); - - xf86Msg(X_INFO, "has_bwx = %d\n", abw[0].abw_abst.abst_flags & ABST_BWX ? 1 : 0); /* XXXX */ - return abw[0].abw_abst.abst_flags & ABST_BWX; -} - static unsigned long dense_base(void) { @@ -147,30 +72,9 @@ dense_base(void) return abw[0].abw_abst.abst_sys_start; } -static unsigned long -memory_base(void) -{ - if (abw_count < 0) - init_abw(); - - if (abw_count > 1) { - xf86Msg(X_INFO, "memory base = %#lx\n", abw[1].abw_abst.abst_sys_start); /* XXXX */ - return abw[1].abw_abst.abst_sys_start; - } - else if (abw_count == 1) { - /* assume memory_base == dense_base */ - xf86Msg(X_INFO, "memory base = %#lx\n", abw[0].abw_abst.abst_sys_start); /* XXXX */ - return abw[0].abw_abst.abst_sys_start; - } - else { - xf86Msg(X_INFO, "no memory base\n"); /* XXXX */ - return 0; - } -} #endif /* __NetBSD__ */ #define BUS_BASE dense_base() -#define BUS_BASE_BWX memory_base() /***************************************************************************/ /* Video Memory Mapping section */ @@ -182,18 +86,12 @@ memory_base(void) "\trefer to xf86(4) for details" #endif -static Bool useDevMem = FALSE; static int devMemFd = -1; #ifdef HAS_APERTURE_DRV #define DEV_APERTURE "/dev/xf86" #endif -static void *mapVidMem(int, unsigned long, unsigned long, int); -static void unmapVidMem(int, void *, unsigned long); -static void *mapVidMemSparse(int, unsigned long, unsigned long, int); -static void unmapVidMemSparse(int, void *, unsigned long); - /* * Check if /dev/mem can be mmap'd. If it can't print a warning when * "warn" is TRUE. @@ -219,7 +117,6 @@ checkDevMem(Bool warn) if (base != MAP_FAILED) { munmap((caddr_t) base, 4096); devMemFd = fd; - useDevMem = TRUE; xf86Msg(X_INFO, "checkDevMem: using aperture driver %s\n", DEV_APERTURE); return; @@ -240,7 +137,6 @@ checkDevMem(Bool warn) if (base != MAP_FAILED) { munmap((caddr_t) base, 4096); devMemFd = fd; - useDevMem = TRUE; return; } else { @@ -266,7 +162,6 @@ checkDevMem(Bool warn) #endif xf86ErrorF("\tlinear framebuffer access unavailable\n"); } - useDevMem = FALSE; return; } @@ -274,117 +169,10 @@ void xf86OSInitVidMem(VidMemInfoPtr pVidMem) { checkDevMem(TRUE); - pVidMem->linearSupported = useDevMem; - if (has_bwx()) { - xf86Msg(X_PROBED, "Machine type has 8/16 bit access\n"); - pVidMem->mapMem = mapVidMem; - pVidMem->unmapMem = unmapVidMem; - } - else { - xf86Msg(X_PROBED, "Machine needs sparse mapping\n"); - pVidMem->mapMem = mapVidMemSparse; - pVidMem->unmapMem = unmapVidMemSparse; -#ifndef __NetBSD__ - if (axpSystem == -1) - axpSystem = bsdGetAXP(); - hae_thresh = xf86AXPParams[axpSystem].hae_thresh; - hae_mask = xf86AXPParams[axpSystem].hae_mask; -#endif /* __NetBSD__ */ - } pVidMem->initialised = TRUE; } -static void * -mapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags) -{ - void *base; - - checkDevMem(FALSE); - Base = Base & ((1L << 32) - 1); - - if (useDevMem) { - if (devMemFd < 0) { - FatalError("xf86MapVidMem: failed to open %s (%s)\n", - DEV_MEM, strerror(errno)); - } - base = mmap((caddr_t) 0, Size, - (flags & VIDMEM_READONLY) ? - PROT_READ : (PROT_READ | PROT_WRITE), - MAP_FLAGS, devMemFd, (off_t) Base + BUS_BASE_BWX); - if (base == MAP_FAILED) { - FatalError("%s: could not mmap %s [s=%lx,a=%lx] (%s)\n", - "xf86MapVidMem", DEV_MEM, Size, Base, strerror(errno)); - } - return base; - } - - /* else, mmap /dev/vga */ - if ((unsigned long) Base < 0xA0000 || (unsigned long) Base >= 0xC0000) { - FatalError("%s: Address 0x%lx outside allowable range\n", - "xf86MapVidMem", Base); - } - base = mmap(0, Size, - (flags & VIDMEM_READONLY) ? - PROT_READ : (PROT_READ | PROT_WRITE), - MAP_FLAGS, xf86Info.consoleFd, (unsigned long) Base + BUS_BASE); - if (base == MAP_FAILED) { - FatalError("xf86MapVidMem: Could not mmap /dev/vga (%s)\n", - strerror(errno)); - } - return base; -} - -static void -unmapVidMem(int ScreenNum, void *Base, unsigned long Size) -{ - munmap((caddr_t) Base, Size); -} - -/* - * Read BIOS via mmap()ing DEV_MEM - */ - -int -xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf, - int Len) -{ - unsigned char *ptr; - int psize; - int mlen; - - checkDevMem(TRUE); - if (devMemFd == -1) { - return -1; - } - - psize = getpagesize(); - Offset += Base & (psize - 1); - Base &= ~(psize - 1); - mlen = (Offset + Len + psize - 1) & ~(psize - 1); - ptr = (unsigned char *) mmap((caddr_t) 0, mlen, PROT_READ, - MAP_SHARED, devMemFd, (off_t) Base + BUS_BASE); - if ((long) ptr == -1) { - xf86Msg(X_WARNING, - "xf86ReadBIOS: %s mmap[s=%x,a=%lx,o=%lx] failed (%s)\n", - DEV_MEM, Len, Base, Offset, strerror(errno)); - return -1; - } -#ifdef DEBUG - xf86MsgVerb(X_INFO, 3, - "xf86ReadBIOS: BIOS at 0x%08x has signature 0x%04x\n", Base, - ptr[0] | (ptr[1] << 8)); -#endif - (void) memcpy(Buf, (void *) (ptr + Offset), Len); - (void) munmap((caddr_t) ptr, mlen); -#ifdef DEBUG - xf86MsgVerb(X_INFO, 3, "xf86ReadBIOS(%x, %x, Buf, %x)" - "-> %02x %02x %02x %02x...\n", - Base, Offset, Len, Buf[0], Buf[1], Buf[2], Buf[3]); -#endif - return Len; -} - #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) extern int ioperm(unsigned long from, unsigned long num, int on); @@ -422,11 +210,6 @@ xf86DisableIO() #endif /* USE_ALPHA_PIO */ -#define vuip volatile unsigned int * - -static void *memSBase = 0; -static void *memBase = 0; - extern int readDense8(void *Base, register unsigned long Offset); extern int readDense16(void *Base, register unsigned long Offset); extern int readDense32(void *Base, register unsigned long Offset); @@ -437,223 +220,6 @@ extern void extern void writeDense32(int Value, void *Base, register unsigned long Offset); -static int readSparse8(void *Base, register unsigned long Offset); -static int readSparse16(void *Base, register unsigned long Offset); -static int readSparse32(void *Base, register unsigned long Offset); -static void - writeSparseNB8(int Value, void *Base, register unsigned long Offset); -static void - writeSparseNB16(int Value, void *Base, register unsigned long Offset); -static void - writeSparseNB32(int Value, void *Base, register unsigned long Offset); -static void - writeSparse8(int Value, void *Base, register unsigned long Offset); -static void - writeSparse16(int Value, void *Base, register unsigned long Offset); -static void - writeSparse32(int Value, void *Base, register unsigned long Offset); - -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) -extern int sysarch(int, void *); - -struct parms { - u_int64_t hae; -}; - -static void -sethae(u_int64_t hae) -{ -#ifndef ALPHA_SETHAE -#define ALPHA_SETHAE 0 -#endif - static struct parms p; - - if (p.hae != hae) { - p.hae = hae; - sysarch(ALPHA_SETHAE, (char *) &p); - } -} -#endif - -static void * -mapVidMemSparse(int ScreenNum, unsigned long Base, unsigned long Size, - int flags) -{ - static Bool was_here = FALSE; - - if (!was_here) { - was_here = TRUE; - - checkDevMem(FALSE); - - xf86WriteMmio8 = writeSparse8; - xf86WriteMmio16 = writeSparse16; - xf86WriteMmio32 = writeSparse32; - xf86WriteMmioNB8 = writeSparseNB8; - xf86WriteMmioNB16 = writeSparseNB16; - xf86WriteMmioNB32 = writeSparseNB32; - xf86ReadMmio8 = readSparse8; - xf86ReadMmio16 = readSparse16; - xf86ReadMmio32 = readSparse32; - - memBase = mmap((caddr_t) 0, 0x100000000, - PROT_READ | PROT_WRITE, - MAP_SHARED, devMemFd, (off_t) BUS_BASE); - memSBase = mmap((caddr_t) 0, 0x100000000, - PROT_READ | PROT_WRITE, - MAP_SHARED, devMemFd, (off_t) BUS_BASE_BWX); - - if (memSBase == MAP_FAILED || memBase == MAP_FAILED) { - FatalError("xf86MapVidMem: Could not mmap framebuffer (%s)\n", - strerror(errno)); - } - } - return (void *) ((unsigned long) memBase + Base); -} - -static void -unmapVidMemSparse(int ScreenNum, void *Base, unsigned long Size) -{ -} - -static int -readSparse8(void *Base, register unsigned long Offset) -{ - register unsigned long result, shift; - register unsigned long msb; - - mem_barrier(); - Offset += (unsigned long) Base - (unsigned long) memBase; - shift = (Offset & 0x3) << 3; - if (Offset >= (hae_thresh)) { - msb = Offset & hae_mask; - Offset -= msb; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - sethae(msb); -#endif - } - result = *(vuip) ((unsigned long) memSBase + (Offset << 5)); - result >>= shift; - return 0xffUL & result; -} - -static int -readSparse16(void *Base, register unsigned long Offset) -{ - register unsigned long result, shift; - register unsigned long msb; - - mem_barrier(); - Offset += (unsigned long) Base - (unsigned long) memBase; - shift = (Offset & 0x2) << 3; - if (Offset >= (hae_thresh)) { - msb = Offset & hae_mask; - Offset -= msb; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - sethae(msb); -#endif - } - result = - *(vuip) ((unsigned long) memSBase + (Offset << 5) + (1 << (5 - 2))); - result >>= shift; - return 0xffffUL & result; -} - -static int -readSparse32(void *Base, register unsigned long Offset) -{ - mem_barrier(); - return *(vuip) ((unsigned long) Base + (Offset)); -} - -static void -writeSparse8(int Value, void *Base, register unsigned long Offset) -{ - register unsigned long msb; - register unsigned int b = Value & 0xffU; - - write_mem_barrier(); - Offset += (unsigned long) Base - (unsigned long) memBase; - if (Offset >= (hae_thresh)) { - msb = Offset & hae_mask; - Offset -= msb; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - sethae(msb); -#endif - } - *(vuip) ((unsigned long) memSBase + (Offset << 5)) = b * 0x01010101; -} - -static void -writeSparse16(int Value, void *Base, register unsigned long Offset) -{ - register unsigned long msb; - register unsigned int w = Value & 0xffffU; - - write_mem_barrier(); - Offset += (unsigned long) Base - (unsigned long) memBase; - if (Offset >= (hae_thresh)) { - msb = Offset & hae_mask; - Offset -= msb; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - sethae(msb); -#endif - } - *(vuip) ((unsigned long) memSBase + (Offset << 5) + (1 << (5 - 2))) = - w * 0x00010001; - -} - -static void -writeSparse32(int Value, void *Base, register unsigned long Offset) -{ - write_mem_barrier(); - *(vuip) ((unsigned long) Base + (Offset)) = Value; - return; -} - -static void -writeSparseNB8(int Value, void *Base, register unsigned long Offset) -{ - register unsigned long msb; - register unsigned int b = Value & 0xffU; - - Offset += (unsigned long) Base - (unsigned long) memBase; - if (Offset >= (hae_thresh)) { - msb = Offset & hae_mask; - Offset -= msb; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - sethae(msb); -#endif - } - *(vuip) ((unsigned long) memSBase + (Offset << 5)) = b * 0x01010101; -} - -static void -writeSparseNB16(int Value, void *Base, register unsigned long Offset) -{ - register unsigned long msb; - register unsigned int w = Value & 0xffffU; - - Offset += (unsigned long) Base - (unsigned long) memBase; - if (Offset >= (hae_thresh)) { - msb = Offset & hae_mask; - Offset -= msb; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - sethae(msb); -#endif - } - *(vuip) ((unsigned long) memSBase + (Offset << 5) + (1 << (5 - 2))) = - w * 0x00010001; -} - -static void -writeSparseNB32(int Value, void *Base, register unsigned long Offset) -{ - *(vuip) ((unsigned long) Base + (Offset)) = Value; - return; -} - void (*xf86WriteMmio8) (int Value, void *Base, unsigned long Offset) = writeDense8; void (*xf86WriteMmio16) (int Value, void *Base, unsigned long Offset) |