diff options
Diffstat (limited to 'xorg-server/hw/kdrive/vesa/vbe.c')
| -rw-r--r-- | xorg-server/hw/kdrive/vesa/vbe.c | 706 |
1 files changed, 0 insertions, 706 deletions
diff --git a/xorg-server/hw/kdrive/vesa/vbe.c b/xorg-server/hw/kdrive/vesa/vbe.c deleted file mode 100644 index cedefe9fc..000000000 --- a/xorg-server/hw/kdrive/vesa/vbe.c +++ /dev/null @@ -1,706 +0,0 @@ -/* -Copyright (c) 2000 by Juliusz Chroboczek - -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 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_CONFIG_H -#include <kdrive-config.h> -#endif -#include "vesa.h" - -int -VbeGetVib (Vm86InfoPtr vi, VbeInfoBlock *vib) -{ - int code; - int mark; - int vib_base; - VbeInfoBlock *vib_low; - - mark = Vm86MarkMemory (vi); - vib_base = Vm86AllocateMemory (vi, sizeof (VbeInfoBlock)); - vib_low = (VbeInfoBlock*)&(LM(vi, vib_base)); - vi->vms.regs.eax = 0x4F00; - vi->vms.regs.es = POINTER_SEGMENT(vib_base); - vi->vms.regs.edi = POINTER_OFFSET(vib_base); - memcpy(vib_low->VbeSignature, "VBE2", 4); - code = VbeDoInterrupt10(vi); - if(code >= 0) - { - if(memcmp(vib_low->VbeSignature, "VESA", 4) == 0) - *vib = *vib_low; - else - code = -1; - } - Vm86ReleaseMemory (vi, mark); - return code; -} - -int -VbeGetVmib (Vm86InfoPtr vi, int mode, VbeModeInfoBlock *vmib) -{ - int code; - int mark; - int vmib_base; - VbeModeInfoBlock *vmib_low; - - mark = Vm86MarkMemory (vi); - - vmib_base = Vm86AllocateMemory (vi, sizeof (VbeModeInfoBlock)); - vmib_low = (VbeModeInfoBlock*)&(LM(vi, vmib_base)); - - vi->vms.regs.eax = 0x4F01; - vi->vms.regs.ecx = mode&0xFFFF; - vi->vms.regs.es = POINTER_SEGMENT(vmib_base); - vi->vms.regs.edi = POINTER_OFFSET(vmib_base); - code = VbeDoInterrupt10(vi); - - if(code >= 0) - *vmib = *vmib_low; - Vm86ReleaseMemory (vi, mark); - return code; -} - -static int -VbeReportVib(Vm86InfoPtr vi, VbeInfoBlock *vib) -{ - U32 i, p; - unsigned char c; - int error = 0; - - ErrorF("VBE version %c.%c (", - ((vib->VbeVersion >> 8) & 0xFF) + '0', - (vib->VbeVersion & 0xFF)+'0'); - p = vib->OemStringPtr; - for(i = 0; 1; i++) { - c = Vm86Memory(vi, MAKE_POINTER_1(p+i)); - if(!c) break; - if (c >= ' ') - ErrorF("%c", c); - if (i > 32000) { - error = 1; - break; - } - } - ErrorF(")\n"); - ErrorF("DAC is %s, controller is %sVGA compatible%s\n", - (vib->Capabilities[0]&1)?"switchable":"fixed", - (vib->Capabilities[0]&2)?"not ":"", - (vib->Capabilities[0]&3)?", RAMDAC causes snow":""); - ErrorF("Total memory: %lu kilobytes\n", 64L*vib->TotalMemory); - if(error) - return -1; - return 0; -} - -#if 0 -static int -VbeReportModeInfo(Vm86InfoPtr vi, U16 mode, VbeModeInfoBlock *vmib) -{ - int supported = (vmib->ModeAttributes&0x1)?1:0; - int colour = (vmib->ModeAttributes&0x8)?1:0; - int graphics = (vmib->ModeAttributes&0x10)?1:0; - int vga_compatible = !((vmib->ModeAttributes&0x20)?1:0); - int linear_fb = (vmib->ModeAttributes&0x80)?1:0; - - ErrorF("0x%04X: %dx%dx%d%s", - (unsigned)mode, - (int)vmib->XResolution, (int)vmib->YResolution, - (int)vmib->BitsPerPixel, - colour?"":" (monochrome)", - graphics?"":" (graphics)", - vga_compatible?"":" (vga compatible)", - linear_fb?"":" (linear frame buffer)"); - switch(vmib->MemoryModel) { - case 0: - ErrorF(" text mode (%dx%d)", - (int)vmib->XCharSize, (int)vmib->YCharSize); - break; - case 1: - ErrorF(" CGA graphics"); - break; - case 2: - ErrorF(" Hercules graphics"); - break; - case 3: - ErrorF(" Planar (%d planes)", vmib->NumberOfPlanes); - break; - case 4: - ErrorF(" PseudoColor"); - break; - case 5: - ErrorF(" Non-chain 4, 256 colour"); - break; - case 6: - if(vmib->DirectColorModeInfo & 1) - ErrorF(" DirectColor"); - else - ErrorF(" TrueColor"); - ErrorF(" [%d:%d:%d:%d]", - vmib->RedMaskSize, vmib->GreenMaskSize, vmib->BlueMaskSize, - vmib->RsvdMaskSize); - if(vmib->DirectColorModeInfo & 2) - ErrorF(" (reserved bits are reserved)"); - break; - case 7: ErrorF("YUV"); - break; - default: - ErrorF("unknown MemoryModel 0x%X ", vmib->MemoryModel); - } - if(!supported) - ErrorF(" (unsupported)"); - else if(!linear_fb) - ErrorF(" (no linear framebuffer)"); - ErrorF("\n"); - return 0; -} -#endif - -void -VbeReportInfo (Vm86InfoPtr vi) -{ - VbeInfoBlock vib; - int code; - - code = VbeGetVib (vi, &vib); - if (code >= 0) - VbeReportVib(vi, &vib); -} - -int -VbeGetNmode (Vm86InfoPtr vi) -{ - VbeInfoBlock vib; - int code; - unsigned int p; - int n; - int mode; - - code = VbeGetVib (vi, &vib); - if (code >= 0) - { - p = MAKE_POINTER_1(vib.VideoModePtr); - for (n = 0; ; n++) - { - mode = Vm86MemoryW(vi, p); - if (mode == 0xffff) - break; - p += 2; - } - code = n; - } - return code; -} - -int -VbeGetModes (Vm86InfoPtr vi, VesaModePtr modes, int nmode) -{ - VbeInfoBlock vib; - int code; - unsigned int p; - int n; - int mode; - VbeModeInfoBlock vmib; - - code = VbeGetVib (vi, &vib); - if (code < 0) - return code; - - memset (modes, '\0', nmode * sizeof (VesaModeRec)); - - p = MAKE_POINTER_1(vib.VideoModePtr); - for (n = 0; n < nmode; n++) - { - mode = Vm86MemoryW(vi, p); - if (mode == 0xffff) - break; - modes[n].mode = mode; - modes[n].vbe = 1; - p += 2; - } - - nmode = n; - - for (n = 0; n < nmode; n++) - { - code = VbeGetVmib (vi, modes[n].mode, &vmib); - if (code >= 0) - { - modes[n].ModeAttributes = vmib.ModeAttributes; - modes[n].NumberOfPlanes = vmib.NumberOfPlanes; - modes[n].BitsPerPixel = vmib.BitsPerPixel; - modes[n].MemoryModel = vmib.MemoryModel; - modes[n].RedMaskSize = vmib.RedMaskSize; - modes[n].RedFieldPosition = vmib.RedFieldPosition; - modes[n].GreenMaskSize = vmib.GreenMaskSize; - modes[n].GreenFieldPosition = vmib.GreenFieldPosition; - modes[n].BlueMaskSize = vmib.BlueMaskSize; - modes[n].BlueFieldPosition = vmib.BlueFieldPosition; - modes[n].RsvdMaskSize = vmib.RsvdMaskSize; - modes[n].RsvdFieldPosition = vmib.RsvdFieldPosition; - modes[n].DirectColorModeInfo = vmib.DirectColorModeInfo; - modes[n].XResolution = vmib.XResolution; - modes[n].YResolution = vmib.YResolution; - modes[n].BytesPerScanLine = vmib.BytesPerScanLine; - } - } - - return nmode; -} - -VbeInfoPtr -VbeInit (Vm86InfoPtr vi) -{ - VbeInfoPtr vbe; - int code; - VbeInfoBlock vib; - - code = VbeGetVib (vi, &vib); - if (code < 0) - return 0; - - vbe = xalloc (sizeof (VbeInfoRec)); - if (!vbe) - return 0; - vbe->palette_format = 6; - vbe->palette_wait = TRUE; - return vbe; -} - -void -VbeCleanup (Vm86InfoPtr vi, VbeInfoPtr vbe) -{ - xfree (vbe); -} - -int -VbeSetMode (Vm86InfoPtr vi, VbeInfoPtr vbe, int mode, int linear, int direct) -{ - int code; - VbeInfoBlock vib; - int palette_wait = 0, palette_hi = 0; - - code = VbeGetVib (vi, &vib); - if (code < 0) - return -1; - - code = VbeGetVmib (vi, mode, &vbe->vmib); - if (code < 0) - return -1; - - mode = (mode & 0xffff) &~ 0x8000; - if (linear) - mode |= 0x4000; - - vi->vms.regs.eax = 0x4F02; - vi->vms.regs.ebx = mode; - code = VbeDoInterrupt10(vi); - if(code < 0) - return -1; - - vbe->windowA_offset = vbe->windowB_offset = -1; - vbe->last_window = 1; - - if (!direct) - { - if(vib.Capabilities[0] & 1) - palette_hi = 1; - if(vib.Capabilities[0] & 4) - palette_wait = 1; - - if(palette_hi || palette_wait) - VbeSetPaletteOptions(vi, vbe, palette_hi?8:6, palette_wait); - } - - return 0; -} - -int -VbeGetMode(Vm86InfoPtr vi, int *mode) -{ - int code; - - vi->vms.regs.eax = 0x4F03; - code = VbeDoInterrupt10(vi); - if(code < 0) - return - 1; - *mode = vi->vms.regs.ebx & 0xFFFF; - return 0; -} - -void * -VbeMapFramebuffer(Vm86InfoPtr vi, VbeInfoPtr vbe, int mode, int *ret_size, CARD32 *ret_phys) -{ - U8 *fb; - VbeInfoBlock vib; - VbeModeInfoBlock vmib; - int size; - int pagesize = getpagesize(); - int before, after; - - if (VbeGetVib (vi, &vib) < 0) - return 0; - - if (VbeGetVmib (vi, mode, &vmib) < 0) - return 0; - - size = 1024 * 64L * vib.TotalMemory; - - *ret_size = size; - *ret_phys = vmib.PhysBasePtr; - - before = vmib.PhysBasePtr % pagesize; - after = pagesize - ((vmib.PhysBasePtr + size) % pagesize); - if(after == pagesize) - after = 0; - - fb = KdMapDevice (vmib.PhysBasePtr - before, before + size + after); - - if(fb == 0) - { - ErrorF("Failed to map framebuffer\n"); - return NULL; - } - - KdSetMappedMode (vmib.PhysBasePtr - before, before + size + after, - KD_MAPPED_MODE_FRAMEBUFFER); - - return fb + before; -} - -void -VbeUnmapFramebuffer(Vm86InfoPtr vi, VbeInfoPtr vbe, int mode, void *fb) -{ - VbeInfoBlock vib; - VbeModeInfoBlock vmib; - int size; - int pagesize = getpagesize(); - int before, after; - - if (VbeGetVib (vi, &vib) < 0) - return; - - if (VbeGetVmib (vi, mode, &vmib) < 0) - return; - - size = 1024 * 64L * vib.TotalMemory; - - before = vmib.PhysBasePtr % pagesize; - after = pagesize - ((vmib.PhysBasePtr + size) % pagesize); - if(after == pagesize) - after = 0; - - fb = (void *) ((char *) fb - before); - - KdUnmapDevice (fb, before + size + after); - KdResetMappedMode (vmib.PhysBasePtr - before, before + size + after, - KD_MAPPED_MODE_FRAMEBUFFER); -} - -int -VbeSetPalette(Vm86InfoPtr vi, VbeInfoPtr vbe, int first, int number, U8 *entries) -{ - U8 *palette_scratch; - int mark; - int palette_base; - int i, code; - - if(number == 0) - return 0; - - if(first < 0 || number < 0 || first + number > 256) { - ErrorF("Cannot set %d, %d palette entries\n", first, number); - return -1; - } - if(vbe->palette_format < 6 || vbe->palette_format > 8) { - ErrorF("Impossible palette format %d\n", vbe->palette_format); - return -1; - } - - mark = Vm86MarkMemory (vi); - palette_base = Vm86AllocateMemory (vi, 4 * 256); - - palette_scratch = &LM(vi, palette_base); - - for(i=0; i<number*4; i++) - palette_scratch[i] = entries[i] >> (8 - vbe->palette_format); - - vi->vms.regs.eax = 0x4F09; - if(vbe->palette_wait) - vi->vms.regs.ebx = 0x80; - else - vi->vms.regs.ebx = 0x00; - vi->vms.regs.ecx = number; - vi->vms.regs.edx = first; - vi->vms.regs.es = POINTER_SEGMENT(palette_base); - vi->vms.regs.edi = POINTER_OFFSET(palette_base); - code = VbeDoInterrupt10(vi); - Vm86ReleaseMemory (vi, mark); - - if(code < 0) - return -1; - return 0; -} - -int -VbeGetPalette(Vm86InfoPtr vi, VbeInfoPtr vbe, int first, int number, U8 *entries) -{ - U8 *palette_scratch; - int mark; - int palette_base; - int i, code; - - if(number == 0) - return 0; - - if(first < 0 || number < 0 || first + number > 256) { - ErrorF("Cannot get %d, %d palette entries\n", first, number); - return -1; - } - if(vbe->palette_format < 6 || vbe->palette_format > 8) { - ErrorF("Impossible palette format %d\n", vbe->palette_format); - return -1; - } - - mark = Vm86MarkMemory (vi); - palette_base = Vm86AllocateMemory (vi, 4 * 256); - - palette_scratch = &LM(vi, palette_base); - - vi->vms.regs.eax = 0x4F09; - vi->vms.regs.ebx = 0x01; - vi->vms.regs.ecx = number; - vi->vms.regs.edx = first; - vi->vms.regs.es = POINTER_SEGMENT(palette_base); - vi->vms.regs.edi = POINTER_OFFSET(palette_base); - code = VbeDoInterrupt10(vi); - if(code >= 0) - { - for(i=0; i<number*4; i++) - entries[i] = palette_scratch[i] << (8-vbe->palette_format); - } - Vm86ReleaseMemory (vi, mark); - - return 0; -} - -int -VbeSetPaletteOptions(Vm86InfoPtr vi, VbeInfoPtr vbe, U8 bits, int wait) -{ - int code; - - if(bits < 6 || bits > 8) { - ErrorF("Impossible palette format %d\n", bits); - return -1; - } - if(bits != vbe->palette_format) - { - vbe->palette_format = 0; - vi->vms.regs.eax = 0x4F08; - vi->vms.regs.ebx = bits << 8; - code = VbeDoInterrupt10(vi); - if(code < 0) - return -1; - vbe->palette_format = bits; - } - vbe->palette_wait = wait; - return 0; -} - -static int -VbeReallySetWindow(Vm86InfoPtr vi, U8 window, U16 winnum) -{ - int code; - vi->vms.regs.eax = 0x4F05; - vi->vms.regs.ebx = window; - vi->vms.regs.edx = winnum; - code = VbeDoInterrupt10(vi); - if(code < 0) - return -1; - return 0; -} - -void * -VbeSetWindow(Vm86InfoPtr vi, VbeInfoPtr vbe, int offset, int purpose, int *size_return) -{ - int window_size = vbe->vmib.WinSize * 1024; - int code; - int winnum; - - if(vbe->windowA_offset >= 0) - if(vbe->windowA_offset <= offset && vbe->windowA_offset + window_size > offset) - if(vbe->vmib.WinAAttributes & purpose) - goto windowA; - - if(vbe->windowB_offset >= 0) - if(vbe->windowB_offset <= offset && vbe->windowB_offset + window_size > offset) - if(vbe->vmib.WinBAttributes & purpose) - goto windowB; - - if(!(vbe->vmib.WinBAttributes & purpose) || - !(vbe->vmib.WinBAttributes & VBE_WINDOW_RELOCATE)) - goto set_windowA; - - if(!(vbe->vmib.WinAAttributes & purpose) || - !(vbe->vmib.WinAAttributes & VBE_WINDOW_RELOCATE)) - goto set_windowB; - - if(vbe->last_window) - goto set_windowA; - else - goto set_windowB; - -set_windowA: - winnum = offset / (vbe->vmib.WinGranularity * 1024); - code = VbeReallySetWindow(vi, 0, winnum); - if(code < 0) { - ErrorF("Couldn't set window A to %d*%d\n", - (int)winnum, (int)vbe->vmib.WinGranularity); - return NULL; - } - vbe->windowA_offset = winnum * vbe->vmib.WinGranularity * 1024; -windowA: - vbe->last_window = 0; - *size_return = vbe->vmib.WinSize * 1024 - (offset - vbe->windowA_offset); - return ((U8*)&(LM(vi, MAKE_POINTER(vbe->vmib.WinASegment, 0)))) + offset - vbe->windowA_offset; - -set_windowB: - winnum = offset / (vbe->vmib.WinGranularity * 1024); - code = VbeReallySetWindow(vi, 1, winnum); - if(code < 0) { - ErrorF("Couldn't set window B to %d*%d\n", - (int)winnum, (int)vbe->vmib.WinGranularity); - return NULL; - } - vbe->windowB_offset = winnum * vbe->vmib.WinGranularity * 1024; -windowB: - vbe->last_window = 1; - *size_return = vbe->vmib.WinSize * 1024 - (offset - vbe->windowB_offset); - return ((U8*)&(LM(vi, MAKE_POINTER(vbe->vmib.WinBSegment, 0)))) + offset - vbe->windowB_offset; -} - -static const int VbeDPMSModes[4] = { - 0x00, /* KD_DPMS_NORMAL */ - 0x01, /* KD_DPMS_STANDBY */ - 0x02, /* KD_DPMS_SUSPEND */ - 0x04, /* KD_DPMS_POWERDOWN */ -}; - -Bool -VbeDPMS(Vm86InfoPtr vi, int mode) -{ - int code; - - /* - * Check which modes are supported - */ - vi->vms.regs.eax = 0x4f10; - vi->vms.regs.ebx = 0x0000; - vi->vms.regs.es = 0; - vi->vms.regs.edi = 0; - code = VbeDoInterrupt10 (vi); - if (code < 0) - { - ErrorF ("No DPMS Support %d\n", code); - return FALSE; - } - /* Skip this stage if it's not supported */ - if (((vi->vms.regs.ebx >> 4) & VbeDPMSModes[mode]) != VbeDPMSModes[mode]) - return FALSE; - - /* Select this mode */ - vi->vms.regs.eax = 0x4f10; - vi->vms.regs.ebx = (VbeDPMSModes[mode] << 8) | 0x01; - code = VbeDoInterrupt10 (vi); - if (code < 0) - { - ErrorF ("DPMS failed %d\n", code); - return FALSE; - } - - return TRUE; -} - -Bool -VbeBoot(Vm86InfoPtr vi) -{ - int code; - int bus = 1; - int device = 0; - int function = 0; - - vi->vms.regs.eax = (bus << 8) | (device << 3) | (function & 0x7); - code = VbeDoInterruptE6 (vi); - ErrorF ("Boot: %d\n", code); - return TRUE; -} - -int -VbeDoInterrupt10(Vm86InfoPtr vi) -{ - int code; - int oldax; - - oldax = vi->vms.regs.eax & 0xFFFF; - - code = Vm86DoInterrupt(vi, 0x10); - if(code < 0) - return -1; - - if((vi->vms.regs.eax & 0xFFFF) != 0x4F && (oldax & 0xFF00) == 0x4F00) { - ErrorF("Int 10h (0x%04X) failed: 0x%04X", - oldax, vi->vms.regs.eax & 0xFFFF); - if((oldax & 0xFF00) == 0x4F00) { - switch((vi->vms.regs.eax & 0xFF00)>>8) { - case 0: - ErrorF(" (success)\n"); - return 0; - case 1: - ErrorF(" (function call failed)\n"); - break; - case 2: - ErrorF(" (function not supported on this hardware)\n"); - break; - case 3: - ErrorF(" (function call invalid in this video mode)\n"); - break; - default: - ErrorF(" (unknown error)\n"); - break; - } return -1; - } else { - ErrorF("\n"); - } - } - return code; -} - -int -VbeDoInterruptE6(Vm86InfoPtr vi) -{ - int code; - int oldax; - - oldax = vi->vms.regs.eax & 0xffff; - - code = Vm86DoPOST (vi); - ErrorF("POST (0x%04X): 0x%04X\n", - oldax, vi->vms.regs.eax & 0xffff); - return code; -} |