-rawcoord option to not transform mice on rotate, fix mtrr to use power-of-two size, add a few vesa options
667 lines
17 KiB
C
667 lines
17 KiB
C
/*
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* $RCSId: xc/programs/Xserver/hw/kdrive/igs/igs.c,v 1.2 2000/05/24 23:52:47 keithp Exp $
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*
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* Copyright © 1999 SuSE, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of SuSE not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. SuSE makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
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* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Keith Packard, SuSE, Inc.
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*/
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#include "igs.h"
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Bool
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igsCardInit (KdCardInfo *card)
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{
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int k;
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char *pixels;
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IgsCardInfo *igsc;
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igsc = (IgsCardInfo *) xalloc (sizeof (IgsCardInfo));
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if (!igsc)
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return FALSE;
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memset (igsc, '\0', sizeof (IgsCardInfo));
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igsc->frameBuffer = (CARD8 *) KdMapDevice (card->attr.address[0] +
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IGS_FB,
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IGS_MEM);
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igsc->vga = (VOL8 *) KdMapDevice (card->attr.address[0] +
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IGS_VGA,
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64 * 1024);
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igsc->cop = (Cop5xxx *) KdMapDevice (card->attr.address[0] +
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IGS_COP_OFFSET,
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sizeof (Cop5xxx));
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igsc->copData = (VOL32 *) KdMapDevice (card->attr.address[0] +
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IGS_COP_DATA,
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IGS_COP_DATA_LEN);
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igsRegInit (&igsc->igsvga, igsc->vga);
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card->driver = igsc;
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return TRUE;
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}
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Bool
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igsModeSupported (KdScreenInfo *screen,
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const KdMonitorTiming *t)
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{
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/* make sure the clock isn't too fast */
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if (t->clock > IGS_MAX_CLOCK)
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return FALSE;
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/* width must be a multiple of 16 */
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if (t->horizontal & 0xf)
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return FALSE;
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return TRUE;
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}
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Bool
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igsModeUsable (KdScreenInfo *screen)
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{
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KdCardInfo *card = screen->card;
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int screen_size;
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int pixel_width;
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int byte_width;
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int fb = 0;
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screen_size = 0;
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if (screen->fb[fb].depth >= 24)
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{
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screen->fb[fb].depth = 24;
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if (screen->fb[fb].bitsPerPixel != 24)
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screen->fb[fb].bitsPerPixel = 32;
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}
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else if (screen->fb[fb].depth >= 16)
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{
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screen->fb[fb].depth = 16;
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screen->fb[fb].bitsPerPixel = 16;
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}
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else if (screen->fb[fb].depth >= 15)
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{
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screen->fb[fb].depth = 15;
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screen->fb[fb].bitsPerPixel = 16;
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}
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else if (screen->fb[fb].depth >= 12)
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{
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screen->fb[fb].depth = 12;
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screen->fb[fb].bitsPerPixel = 16;
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}
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else
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{
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screen->fb[fb].depth = 8;
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screen->fb[fb].bitsPerPixel = 8;
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}
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byte_width = screen->width * (screen->fb[fb].bitsPerPixel >> 3);
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pixel_width = screen->width;
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screen->fb[fb].pixelStride = pixel_width;
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screen->fb[fb].byteStride = byte_width;
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screen_size += byte_width * screen->height;
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return TRUE;
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}
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Bool
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igsScreenInit (KdScreenInfo *screen)
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{
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IgsCardInfo *igsc = screen->card->driver;
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int fb = 0;
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IgsScreenInfo *igss;
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int screen_size, memory;
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int pattern_size;
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int tile_size;
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int stipple_size;
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int poffset, boffset;
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const KdMonitorTiming *t;
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if (!screen->width || !screen->height)
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{
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screen->width = 800;
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screen->height = 600;
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screen->rate = 72;
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}
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if (!screen->fb[0].depth)
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screen->fb[0].depth = 8;
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t = KdFindMode (screen, igsModeSupported);
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screen->rate = t->rate;
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screen->width = t->horizontal;
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screen->height = t->vertical;
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if (!KdTuneMode (screen, igsModeUsable, igsModeSupported))
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{
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return FALSE;
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}
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igss = (IgsScreenInfo *) xalloc (sizeof (IgsScreenInfo));
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if (!igss)
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return FALSE;
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memset (igss, '\0', sizeof (IgsScreenInfo));
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screen_size = screen->fb[fb].byteStride * screen->height;
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memory = IGS_MEM;
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memory -= screen_size;
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if (memory >= 1024)
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{
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igss->cursor_offset = memory - 1024;
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#if BITMAP_BIT_ORDER == MSBFirst
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igss->cursor_base = (CARD8 *) KdMapDevice (card->attr.address[0] +
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igss->cursor_offset,
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1024);
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#else
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igss->cursor_base = igsc->frameBuffer + igss->cursor_offset;
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#endif
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memory -= 1024;
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}
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else
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igss->cursor_base = 0;
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tile_size = IgsTileSize(screen->fb[fb].bitsPerPixel) * IGS_NUM_PATTERN;
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stipple_size = IgsStippleSize(screen->fb[fb].bitsPerPixel) * IGS_NUM_PATTERN;
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pattern_size = tile_size + stipple_size;
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if (memory >= pattern_size)
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{
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boffset = screen_size;
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poffset = boffset * 8 / screen->fb[fb].bitsPerPixel;
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igss->tile.offset = poffset;
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igss->tile.base = igsc->frameBuffer + boffset;
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boffset = screen_size + tile_size;
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poffset = boffset * 8 / screen->fb[fb].bitsPerPixel;
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igss->stipple.offset = poffset;
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igss->stipple.base = igsc->frameBuffer + boffset;
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memory -= pattern_size;
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}
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else
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{
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igss->tile.base = 0;
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igss->stipple.base = 0;
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}
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switch (screen->fb[fb].depth) {
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case 8:
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screen->fb[fb].visuals = ((1 << StaticGray) |
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(1 << GrayScale) |
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(1 << StaticColor) |
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(1 << PseudoColor) |
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(1 << TrueColor) |
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(1 << DirectColor));
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screen->fb[fb].blueMask = 0x00;
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screen->fb[fb].greenMask = 0x00;
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screen->fb[fb].redMask = 0x00;
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break;
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case 15:
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screen->fb[fb].visuals = (1 << TrueColor);
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screen->fb[fb].blueMask = 0x001f;
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screen->fb[fb].greenMask = 0x03e0;
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screen->fb[fb].redMask = 0x7c00;
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break;
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case 16:
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screen->fb[fb].visuals = (1 << TrueColor);
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screen->fb[fb].blueMask = 0x001f;
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screen->fb[fb].greenMask = 0x07e0;
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screen->fb[fb].redMask = 0xf800;
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break;
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case 24:
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screen->fb[fb].visuals = (1 << TrueColor);
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screen->fb[fb].blueMask = 0x0000ff;
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screen->fb[fb].greenMask = 0x00ff00;
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screen->fb[fb].redMask = 0xff0000;
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break;
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}
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screen->fb[fb].pixelStride = screen->width;
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screen->fb[fb].byteStride = screen->width * (screen->fb[fb].bitsPerPixel >> 3);
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screen->fb[fb].frameBuffer = igsc->frameBuffer;
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if (!igsc->cop)
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screen->dumb = TRUE;
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screen->driver = igss;
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return TRUE;
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}
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Bool
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igsInitScreen(ScreenPtr pScreen)
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{
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return TRUE;
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}
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void
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igsPreserve (KdCardInfo *card)
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{
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IgsCardInfo *igsc = card->driver;
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IgsVga *igsvga = &igsc->igsvga;
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igsSave (igsvga);
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}
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void
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igsSetBlank (IgsVga *igsvga, Bool blank)
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{
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igsSetImm(igsvga, igs_screen_off, blank ? 1 : 0);
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}
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void
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igsSetSync (IgsCardInfo *igsc, int hsync, int vsync)
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{
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IgsVga *igsvga = &igsc->igsvga;
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igsSet (igsvga, igs_mexhsyn, hsync);
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igsSet (igsvga, igs_mexvsyn, vsync);
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VgaFlush (&igsvga->card);
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}
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/*
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* Clock synthesis:
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*
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* scale = p ? (2 * p) : 1
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* f_out = f_ref * ((M + 1) / ((N + 1) * scale))
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*
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* Constraints:
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*
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* 1. 115MHz <= f_ref * ((M + 1) / (N + 1)) <= 260 MHz
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* 2. N >= 1
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*
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* Vertical refresh rate = clock / ((hsize + hblank) * (vsize + vblank))
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* Horizontal refresh rate = clock / (hsize + hblank)
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*/
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/* all in kHz */
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void
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igsGetClock (int target, int *Mp, int *Np, int *Pp, int maxM, int maxN, int maxP, int minVco)
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{
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int M, N, P, bestM, bestN;
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int f_vco, f_out;
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int err, abserr, besterr;
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/*
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* Compute correct P value to keep VCO in range
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*/
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for (P = 0; P <= maxP; P++)
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{
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f_vco = target * IGS_SCALE(P);
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if (f_vco >= minVco)
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break;
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}
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/* M = f_out / f_ref * ((N + 1) * IGS_SCALE(P)); */
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besterr = target;
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for (N = 1; N <= maxN; N++)
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{
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M = ((target * (N + 1) * IGS_SCALE(P) + (IGS_CLOCK_REF/2)) + IGS_CLOCK_REF/2) / IGS_CLOCK_REF - 1;
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if (0 <= M && M <= maxM)
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{
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f_out = IGS_CLOCK(M,N,P);
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err = target - f_out;
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if (err < 0)
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err = -err;
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if (err < besterr)
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{
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besterr = err;
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bestM = M;
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bestN = N;
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}
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}
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}
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*Mp = bestM;
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*Np = bestN;
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*Pp = P;
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}
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Bool
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igsEnable (ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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KdCardInfo *card = pScreenPriv->card;
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KdScreenInfo *screen = pScreenPriv->screen;
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IgsCardInfo *igsc = card->driver;
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IgsVga *igsvga = &igsc->igsvga;
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const KdMonitorTiming *t;
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int hactive, hblank, hfp, hbp;
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int vactive, vblank, vfp, vbp;
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int hsize;
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int fb = 0;
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int m, n, r;
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int h_total;
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int h_display_end;
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int h_blank_start;
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int h_blank_end;
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int h_sync_start;
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int h_sync_end;
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int h_screen_off;
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int v_total;
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int v_retrace_start;
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int v_retrace_end;
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int v_display_end;
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int v_blank_start;
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int v_blank_end;
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int offset;
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int num_fetch;
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int m_m, m_n, m_r;
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igsSetBlank (igsvga, TRUE);
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t = KdFindMode (screen, igsModeSupported);
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igsGetClock (t->clock, &m, &n, &r, 2047, 255, 7, IGS_MIN_VCO);
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/*
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* Set the chip so that 0x400000 is a big-endian frame buffer
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* with the correct byte swapping enabled
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*/
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igsSet (igsvga, igs_biga22force, 0);
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igsSet (igsvga, igs_biga22en, 1);
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igsSet (igsvga, igs_biga24en, 1);
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/*
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* Enable 8-bit DACs
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*/
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igsSet (igsvga, igs_rampwdn, 0);
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igsSet (igsvga, igs_dac6_8, 1);
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igsSet (igsvga, igs_dacpwdn, 0);
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/*
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* Set overscan to black
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*/
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igsSet (igsvga, igs_overscan_red, 0x00);
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igsSet (igsvga, igs_overscan_green, 0x00);
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igsSet (igsvga, igs_overscan_blue, 0x00);
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/*
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* Enable PCI retries
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*/
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igsSet (igsvga, igs_iow_retry, 1);
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igsSet (igsvga, igs_mw_retry, 1);
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igsSet (igsvga, igs_mr_retry, 1);
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igsSet (igsvga, igs_pci_burst_write, 1);
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igsSet (igsvga, igs_pci_burst_read, 1);
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/*
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* Set FIFO
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*/
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igsSet (igsvga, igs_memgopg, 1);
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igsSet (igsvga, igs_memr2wpg, 0);
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igsSet (igsvga, igs_crtff16, 0);
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igsSet (igsvga, igs_fifomust, 0xff);
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igsSet (igsvga, igs_fifogen, 0xff);
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/*
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* Enable CRT reg access
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*/
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igsSetImm (igsvga, igs_ena_vr_access, 1);
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igsSetImm (igsvga, igs_crt_protect, 0);
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hfp = t->hfp;
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hbp = t->hbp;
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hblank = t->hblank;
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hactive = t->horizontal;
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offset = screen->fb[0].byteStride;
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vfp = t->vfp;
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vbp = t->vbp;
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vblank = t->vblank;
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vactive = t->vertical;
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/*
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* Compute character lengths for horizontal timing values
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*/
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hactive = screen->width / 8;
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hblank /= 8;
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hfp /= 8;
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hbp /= 8;
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offset /= 8;
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switch (screen->fb[fb].bitsPerPixel) {
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case 8:
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igsSet (igsvga, igs_overscan_red, pScreen->blackPixel);
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igsSet (igsvga, igs_overscan_green, pScreen->blackPixel);
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igsSet (igsvga, igs_overscan_blue, pScreen->blackPixel);
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igsSet (igsvga, igs_bigswap, IGS_BIGSWAP_8);
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igsSet (igsvga, igs_mode_sel, IGS_MODE_8);
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igsSet (igsvga, igs_ramdacbypass, 0);
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break;
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case 16:
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igsSet (igsvga, igs_bigswap, IGS_BIGSWAP_16);
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igsSet (igsvga, igs_ramdacbypass, 1);
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switch (screen->fb[fb].depth) {
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case 12:
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igsSet (igsvga, igs_mode_sel, IGS_MODE_4444);
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break;
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case 15:
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igsSet (igsvga, igs_mode_sel, IGS_MODE_5551);
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break;
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case 16:
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igsSet (igsvga, igs_mode_sel, IGS_MODE_565);
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break;
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}
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break;
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case 24:
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igsSet (igsvga, igs_ramdacbypass, 1);
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igsSet (igsvga, igs_bigswap, IGS_BIGSWAP_8);
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igsSet (igsvga, igs_mode_sel, IGS_MODE_888);
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break;
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case 32:
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igsSet (igsvga, igs_ramdacbypass, 1);
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igsSet (igsvga, igs_bigswap, IGS_BIGSWAP_32);
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igsSet (igsvga, igs_mode_sel, IGS_MODE_8888);
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break;
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}
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/*
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* Compute horizontal register values from timings
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*/
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h_total = hactive + hblank - 5;
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h_display_end = hactive - 1;
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h_sync_start = hactive + hfp;
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h_sync_end = hactive + hblank - hbp;
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/*
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* pad the blank values narrow a bit and use the border_select to
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* eliminate the remaining border; don't know why, but it doesn't
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* work in the documented fashion
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*/
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h_blank_start = hactive - 1;
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h_blank_end = hactive + hblank - 1 - 1;
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num_fetch = (t->horizontal * screen->fb[fb].bitsPerPixel / 64) + 1;
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v_total = vactive + vblank - 2;
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v_display_end = vactive - 1;
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v_blank_start = vactive - 1;
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v_blank_end = v_blank_start + vblank - 1;
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v_retrace_start = vactive + vfp;
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v_retrace_end = vactive + vblank - vbp;
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#if 0
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#define chk(a,b,c) fprintf (stderr, "%20.20s: BIOS %6d X %6d\n", a, igsGet(igsvga, b), c);
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chk("h_total", igs_h_total, h_total);
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chk("h_display_end", igs_h_de_end, h_display_end);
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chk("h_sync_start", igs_h_rstart, h_sync_start);
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chk("h_sync_end", igs_h_rend, h_sync_end&0x1f);
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chk("h_blank_start", igs_h_bstart, h_blank_start);
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chk("h_blank_end", igs_h_bend, h_blank_end&0x3f);
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chk("offset", igs_offset, offset);
|
|
chk("num_fetch", igs_num_fetch, num_fetch);
|
|
|
|
chk("v_total", igs_v_total, v_total);
|
|
chk("v_display_end", igs_v_de_end, v_display_end);
|
|
chk("v_blank_start", igs_v_bstart, v_blank_start);
|
|
chk("v_blank_end", igs_v_bend, v_blank_end&0xf);
|
|
chk("v_retrace_start", igs_v_rstart, v_retrace_start);
|
|
chk("v_retrace_end", igs_v_rend, v_retrace_end&0xf);
|
|
chk("vclk_m", igs_vclk_m, m);
|
|
chk("vclk_n", igs_vclk_n, n);
|
|
chk("vclk_p", igs_vclk_p, r);
|
|
|
|
fprintf (stderr, "%20.20s: BIOS %6d X %6d\n", "vclk",
|
|
IGS_CLOCK(igsGet(igsvga,igs_vclk_m),
|
|
igsGet(igsvga,igs_vclk_n),
|
|
igsGet(igsvga,igs_vclk_p)),
|
|
IGS_CLOCK(m,n,r));
|
|
#endif
|
|
igsSet (igsvga, igs_h_total, h_total);
|
|
igsSet (igsvga, igs_h_de_end, h_display_end);
|
|
igsSet (igsvga, igs_h_rstart, h_sync_start);
|
|
igsSet (igsvga, igs_h_rend, h_sync_end);
|
|
igsSet (igsvga, igs_h_bstart, h_blank_start);
|
|
igsSet (igsvga, igs_h_bend, h_blank_end);
|
|
igsSet (igsvga, igs_offset, offset);
|
|
igsSet (igsvga, igs_num_fetch, num_fetch);
|
|
|
|
igsSet (igsvga, igs_v_total, v_total);
|
|
igsSet (igsvga, igs_v_de_end, v_display_end);
|
|
igsSet (igsvga, igs_v_bstart, v_blank_start);
|
|
igsSet (igsvga, igs_v_bend, v_blank_end&0xf);
|
|
igsSet (igsvga, igs_v_rstart, v_retrace_start);
|
|
igsSet (igsvga, igs_v_rend, v_retrace_end&0xf);
|
|
|
|
igsSet (igsvga, igs_vclk_m, m);
|
|
igsSet (igsvga, igs_vclk_n, n);
|
|
igsSet (igsvga, igs_vclk_p, r);
|
|
igsSet (igsvga, igs_vfsel, IGS_CLOCK(m, n, 0) >= 180000);
|
|
VgaFlush (&igsvga->card);
|
|
|
|
igsSetImm (igsvga, igs_frqlat, 0);
|
|
igsSetImm (igsvga, igs_frqlat, 1);
|
|
igsSetImm (igsvga, igs_frqlat, 0);
|
|
|
|
igsSetBlank (igsvga, FALSE);
|
|
#if 0
|
|
#define dbg(a,b) fprintf(stderr, "%20.20s = 0x%x\n", a, igsGet(igsvga,b))
|
|
|
|
#include "reg.dbg"
|
|
|
|
{
|
|
VGA16 reg;
|
|
char buf[128];
|
|
|
|
for (reg = 0; reg < IGS_NREG; reg++)
|
|
fprintf(stderr, "%20.20s = 0x%02x\n", igsRegName(buf, reg),
|
|
VgaFetch (&igsvga->card, reg));
|
|
}
|
|
#endif
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
igsDPMS (ScreenPtr pScreen, int mode)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
IgsCardInfo *igsc = pScreenPriv->card->driver;
|
|
IgsVga *igsvga = &igsc->igsvga;
|
|
|
|
switch (mode) {
|
|
case KD_DPMS_NORMAL:
|
|
igsSetSync (igsc, 0, 0);
|
|
igsSetBlank (igsvga, FALSE);
|
|
break;
|
|
case KD_DPMS_STANDBY:
|
|
igsSetBlank (igsvga, TRUE);
|
|
igsSetSync (igsc, 1, 0);
|
|
break;
|
|
case KD_DPMS_SUSPEND:
|
|
igsSetBlank (igsvga, TRUE);
|
|
igsSetSync (igsc, 0, 1);
|
|
break;
|
|
case KD_DPMS_POWERDOWN:
|
|
igsSetBlank (igsvga, TRUE);
|
|
igsSetSync (igsc, 1, 1);
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
igsDisable (ScreenPtr pScreen)
|
|
{
|
|
}
|
|
|
|
void
|
|
igsRestore (KdCardInfo *card)
|
|
{
|
|
IgsCardInfo *igsc = card->driver;
|
|
IgsVga *igsvga = &igsc->igsvga;
|
|
|
|
igsReset (igsvga);
|
|
}
|
|
|
|
void
|
|
igsScreenFini (KdScreenInfo *screen)
|
|
{
|
|
IgsScreenInfo *igss = (IgsScreenInfo *) screen->driver;
|
|
|
|
#if BITMAP_BIT_ORDER == MSBFirst
|
|
if (igss->cursor_base)
|
|
KdUnmapDevice ((void *) igss->cursor_base, 1024);
|
|
#endif
|
|
xfree (igss);
|
|
screen->driver = 0;
|
|
}
|
|
|
|
void
|
|
igsCardFini (KdCardInfo *card)
|
|
{
|
|
IgsCardInfo *igsc = card->driver;
|
|
|
|
if (igsc->copData)
|
|
KdUnmapDevice ((void *) igsc->copData, IGS_COP_DATA_LEN);
|
|
if (igsc->cop)
|
|
KdUnmapDevice ((void *) igsc->cop, sizeof (Cop5xxx));
|
|
if (igsc->vga)
|
|
KdUnmapDevice ((void *) igsc->vga, 64 * 1024);
|
|
if (igsc->frameBuffer)
|
|
KdUnmapDevice (igsc->frameBuffer, IGS_MEM);
|
|
xfree (igsc);
|
|
card->driver = 0;
|
|
}
|
|
|
|
KdCardFuncs igsFuncs = {
|
|
igsCardInit, /* cardinit */
|
|
igsScreenInit, /* scrinit */
|
|
igsInitScreen,
|
|
igsPreserve, /* preserve */
|
|
igsEnable, /* enable */
|
|
igsDPMS, /* dpms */
|
|
igsDisable, /* disable */
|
|
igsRestore, /* restore */
|
|
igsScreenFini, /* scrfini */
|
|
igsCardFini, /* cardfini */
|
|
|
|
igsCursorInit, /* initCursor */
|
|
igsCursorEnable, /* enableCursor */
|
|
igsCursorDisable, /* disableCursor */
|
|
igsCursorFini, /* finiCursor */
|
|
0, /* recolorCursor */
|
|
|
|
igsDrawInit, /* initAccel */
|
|
igsDrawEnable, /* enableAccel */
|
|
igsDrawSync, /* drawSync */
|
|
igsDrawDisable, /* disableAccel */
|
|
igsDrawFini, /* finiAccel */
|
|
|
|
igsGetColors, /* getColors */
|
|
igsPutColors, /* putColors */
|
|
};
|