diff options
Diffstat (limited to 'hw/kdrive/vesa/vga.c')
| -rw-r--r-- | hw/kdrive/vesa/vga.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/hw/kdrive/vesa/vga.c b/hw/kdrive/vesa/vga.c deleted file mode 100644 index 500746774..000000000 --- a/hw/kdrive/vesa/vga.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * $RCSId: xc/programs/Xserver/hw/kdrive/vesa/vga.c,v 1.1 2000/10/20 00:19:51 keithp Exp $ - * - * Copyright © 2000 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. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "vesa.h" - -static const VesaModeRec vgaModes[] = { - { - 6, 0, - MODE_SUPPORTED | MODE_GRAPHICS | MODE_VGA | MODE_LINEAR, - 1, 1, MEMORY_PLANAR, - 0, 0, 0, 0, 0, 0, 0, 0, 0, - 640, 200, 80, - }, - { - 0xd, 0, - MODE_SUPPORTED | MODE_GRAPHICS | MODE_VGA | MODE_COLOUR, - 4, 4, MEMORY_PLANAR, - 0, 0, 0, 0, 0, 0, 0, 0, 0, - 320, 200, 40, - }, - { - 0xe, 0, - MODE_SUPPORTED | MODE_GRAPHICS | MODE_VGA | MODE_COLOUR, - 4, 4, MEMORY_PLANAR, - 0, 0, 0, 0, 0, 0, 0, 0, 0, - 640, 200, 80, - }, - { - 0x10, 0, - MODE_SUPPORTED | MODE_GRAPHICS | MODE_VGA | MODE_COLOUR, - 4, 4, MEMORY_PLANAR, - 0, 0, 0, 0, 0, 0, 0, 0, 0, - 640, 350, 80, - }, - { - 0x11, 0, - MODE_SUPPORTED | MODE_GRAPHICS | MODE_VGA | MODE_LINEAR, - 1, 1, MEMORY_PLANAR, - 0, 0, 0, 0, 0, 0, 0, 0, 0, - 640, 480, 80, - }, - { - 0x12, 0, - MODE_SUPPORTED | MODE_GRAPHICS | MODE_VGA | MODE_COLOUR, - 4, 4, MEMORY_PLANAR, - 0, 0, 0, 0, 0, 0, 0, 0, 0, - 640, 480, 80, - }, - { - 0x13, 0, - MODE_SUPPORTED | MODE_GRAPHICS | MODE_VGA | MODE_COLOUR | MODE_LINEAR, - 8, 8, MEMORY_PSEUDO, - 0, 0, 0, 0, 0, 0, 0, 0, 0, - 320, 200, 320, - }, -}; - -#define NUM_VGA_MODE (sizeof vgaModes / sizeof vgaModes[0]) - -int -VgaGetNmode (Vm86InfoPtr vi) -{ - return NUM_VGA_MODE; -} - -int -VgaGetModes (Vm86InfoPtr vi, VesaModePtr mode, int nmode) -{ - if (nmode > NUM_VGA_MODE) - nmode = NUM_VGA_MODE; - memcpy (mode, vgaModes, nmode * sizeof (VesaModeRec)); - return nmode; -} - -int -VgaSetMode(Vm86InfoPtr vi, int mode) -{ - int code; - - vi->vms.regs.eax = mode & 0x7f; - code = Vm86DoInterrupt (vi, 0x10); - if(code < 0) - return -1; - return 0; -} - -int -VgaGetMode (Vm86InfoPtr vi, int *mode) -{ - *mode = Vm86Memory (vi, 0x449); - return 0; -} - -void -VgaSetWritePlaneMask(Vm86InfoPtr vi, int mask) -{ - asm volatile ("outb %b0,%w1" : : "a" (2), "d" (0x3c4)); - asm volatile ("outb %b0,%w1" : : "a" (mask), "d" (0x3c5)); -} - -void -VgaSetReadPlaneMap(Vm86InfoPtr vi, int map) -{ - asm volatile ("outb %b0,%w1" : : "a" (4), "d" (0x3ce)); - asm volatile ("outb %b0,%w1" : : "a" (map), "d" (0x3cf)); -} - -int -VgaSetPalette(Vm86InfoPtr vi, int first, int number, U8 *entries) -{ - U8 *palette_scratch; - int mark; - int palette_base; - int i, j, 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; - } - - mark = Vm86MarkMemory (vi); - palette_base = Vm86AllocateMemory (vi, 3 * 256); - - palette_scratch = &LM(vi, palette_base); - - vi->vms.regs.eax = 0x1012; - vi->vms.regs.ebx = first; - vi->vms.regs.ecx = number; - vi->vms.regs.es = POINTER_SEGMENT(palette_base); - vi->vms.regs.edx = POINTER_OFFSET(palette_base); - j = 0; - i = 0; - while (number--) - { - palette_scratch[j++] = entries[i++] >> 2; - palette_scratch[j++] = entries[i++] >> 2; - palette_scratch[j++] = entries[i++] >> 2; - i++; - } - code = Vm86DoInterrupt(vi, 0x10); - Vm86ReleaseMemory (vi, mark); - - if(code < 0) - return -1; - return 0; -} - -int -VgaGetPalette(Vm86InfoPtr vi, int first, int number, U8 *entries) -{ - U8 *palette_scratch; - int mark; - int palette_base; - int i, j, 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; - } - - mark = Vm86MarkMemory (vi); - palette_base = Vm86AllocateMemory (vi, 3 * 256); - - palette_scratch = &LM(vi, palette_base); - - vi->vms.regs.eax = 0x1017; - vi->vms.regs.ebx = first; - vi->vms.regs.ecx = number; - vi->vms.regs.es = POINTER_SEGMENT(palette_base); - vi->vms.regs.edx = POINTER_OFFSET(palette_base); - - code = VbeDoInterrupt10(vi); - if(code < 0) - return -1; - - j = 0; - i = 0; - while (number--) - { - entries[i++] = palette_scratch[j++] << 2; - entries[i++] = palette_scratch[j++] << 2; - entries[i++] = palette_scratch[j++] << 2; - entries[i++] = 0; - } - - Vm86ReleaseMemory (vi, mark); - - return 0; -} - -#define VGA_FB(vm) ((vm) < 8 ? 0xb8000 : 0xa0000) - -void * -VgaSetWindow (Vm86InfoPtr vi, int vmode, int bytes, int mode, int *size) -{ - *size = 0x10000 - bytes; - return &LM(vi,VGA_FB(vmode) + bytes); -} - -void * -VgaMapFramebuffer (Vm86InfoPtr vi, int vmode, int *size, CARD32 *ret_phys) -{ - if (VGA_FB(vmode) == 0xa0000) - *size = 0x10000; - else - *size = 0x4000; - *ret_phys = VGA_FB(vmode); - return &LM(vi,VGA_FB(vmode)); -} - -void -VgaUnmapFramebuffer (Vm86InfoPtr vi) -{ -} |