summaryrefslogtreecommitdiff
path: root/hw/kdrive/vesa/vesa.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/kdrive/vesa/vesa.c')
-rw-r--r--hw/kdrive/vesa/vesa.c1816
1 files changed, 0 insertions, 1816 deletions
diff --git a/hw/kdrive/vesa/vesa.c b/hw/kdrive/vesa/vesa.c
deleted file mode 100644
index bcc871907..000000000
--- a/hw/kdrive/vesa/vesa.c
+++ /dev/null
@@ -1,1816 +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.
-*/
-/* $Id$ */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "vesa.h"
-#include "vga.h"
-#include "vbe.h"
-#ifdef RANDR
-#include <randrstr.h>
-#endif
-
-int vesa_video_mode = 0;
-Bool vesa_force_mode = FALSE;
-Bool vesa_swap_rgb = FALSE;
-Bool vesa_shadow = FALSE;
-Bool vesa_linear_fb = TRUE;
-Bool vesa_restore = FALSE;
-Bool vesa_verbose = FALSE;
-Bool vesa_force_text = FALSE;
-Bool vesa_restore_font = TRUE;
-Bool vesa_map_holes = TRUE;
-Bool vesa_boot = FALSE;
-
-#define VesaPriv(scr) ((VesaScreenPrivPtr) (scr)->driver)
-
-#define vesaWidth(scr,vmib) ((vmib)->XResolution)
-#define vesaHeight(scr,vmib) ((vmib)->YResolution)
-
-static Bool
-vesaComputeFramebufferMapping (KdScreenInfo *screen);
-
-static Bool
-vesaMapFramebuffer (KdScreenInfo *screen);
-
-static Bool
-vesaModeSupportable (VesaModePtr mode, Bool complain)
-{
- if((mode->ModeAttributes & 0x10) == 0) {
- if(complain)
- ErrorF("Text mode specified.\n");
- return FALSE;
- }
- if(mode->MemoryModel != 0x06 && mode->MemoryModel != 0x04 && mode->MemoryModel != 0x03) {
- if(complain)
- ErrorF("Unsupported memory model 0x%X\n", mode->MemoryModel);
- return FALSE;
- }
- if((mode->ModeAttributes & 0x80) == 0) {
- if ((mode->ModeAttributes & 0x40) != 0) {
- if(complain)
- ErrorF("Neither linear nor windowed framebuffer available in this mode\n");
- return FALSE;
- }
- }
- if(!(mode->ModeAttributes & 1)) {
- if(complain)
- ErrorF("Mode not supported on this hardware\n");
- return FALSE;
- }
- return TRUE;
-}
-
-static Bool
-vesaModeSupported (VesaCardPrivPtr priv, VesaModePtr mode, Bool complain)
-{
- if (!priv->vbeInfo && mode->vbe) {
- if (complain)
- ErrorF("VBE bios mode not usable.\n");
- return FALSE;
- }
- return vesaModeSupportable (mode, complain);
-}
-
-void
-vesaReportMode (VesaModePtr mode)
-{
- int supported = (mode->ModeAttributes&MODE_SUPPORTED)?1:0;
- int colour = (mode->ModeAttributes&MODE_COLOUR)?1:0;
- int graphics = (mode->ModeAttributes&MODE_GRAPHICS)?1:0;
- int vga_compatible = !((mode->ModeAttributes&MODE_VGA)?1:0);
- int linear_fb = (mode->ModeAttributes&MODE_LINEAR)?1:0;
-
- ErrorF("0x%04X: %dx%dx%d%s%s",
- (unsigned)mode->mode,
- (int)mode->XResolution, (int)mode->YResolution,
- vesaDepth (mode),
- colour?"":" (monochrome)",
- graphics?"":" (graphics)",
- vga_compatible?"":" (vga compatible)",
- linear_fb?"":" (linear frame buffer)");
- switch(mode->MemoryModel) {
- case MEMORY_TEXT:
- ErrorF(" text mode");
- break;
- case MEMORY_CGA:
- ErrorF(" CGA graphics");
- break;
- case MEMORY_HERCULES:
- ErrorF(" Hercules graphics");
- break;
- case MEMORY_PLANAR:
- ErrorF(" Planar (%d planes)", mode->NumberOfPlanes);
- break;
- case MEMORY_PSEUDO:
- ErrorF(" PseudoColor");
- break;
- case MEMORY_NONCHAIN:
- ErrorF(" Non-chain 4, 256 colour");
- break;
- case MEMORY_DIRECT:
- if(mode->DirectColorModeInfo & MODE_DIRECT)
- ErrorF(" DirectColor");
- else
- ErrorF(" TrueColor");
- ErrorF(" [%d:%d:%d:%d]",
- mode->RedMaskSize, mode->GreenMaskSize, mode->BlueMaskSize,
- mode->RsvdMaskSize);
- if(mode->DirectColorModeInfo & 2)
- ErrorF(" (reserved bits are reserved)");
- break;
- case MEMORY_YUV:
- ErrorF("YUV");
- break;
- default:
- ErrorF("unknown MemoryModel 0x%X ", mode->MemoryModel);
- }
- if(!supported)
- ErrorF(" (unsupported)");
- else if(!linear_fb)
- ErrorF(" (no linear framebuffer)");
- ErrorF("\n");
-}
-
-VesaModePtr
-vesaGetModes (Vm86InfoPtr vi, int *ret_nmode)
-{
- VesaModePtr modes;
- int nmode, nmodeVbe, nmodeVga;
- int code;
-
- code = VgaGetNmode (vi);
- if (code <= 0)
- nmodeVga = 0;
- else
- nmodeVga = code;
-
- code = VbeGetNmode (vi);
- if (code <= 0)
- nmodeVbe = 0;
- else
- nmodeVbe = code;
-
- nmode = nmodeVga + nmodeVbe;
- if (nmode <= 0)
- return 0;
-
- modes = xalloc (nmode * sizeof (VesaModeRec));
-
- memset (modes, '\0', nmode * sizeof (VesaModeRec));
-
- if (nmodeVga)
- {
- code = VgaGetModes (vi, modes, nmodeVga);
- if (code <= 0)
- nmodeVga = 0;
- else
- nmodeVga = code;
- }
-
- if (nmodeVbe)
- {
- code = VbeGetModes (vi, modes + nmodeVga, nmodeVbe);
- if (code <= 0)
- nmodeVbe = 0;
- else
- nmodeVbe = code;
- }
-
- nmode = nmodeVga + nmodeVbe;
-
- if (nmode == 0)
- {
- xfree (modes);
- modes = 0;
- return 0;
- }
- *ret_nmode = nmode;
- return modes;
-}
-
-Bool
-vesaInitialize (KdCardInfo *card, VesaCardPrivPtr priv)
-{
- priv->vi = Vm86Setup(vesa_map_holes);
- if(!priv->vi)
- goto fail;
-
- if (vesa_boot)
- VbeBoot (priv->vi);
-
- priv->modes = vesaGetModes (priv->vi, &priv->nmode);
-
- if (!priv->modes)
- goto fail;
-
- priv->vbeInfo = VbeInit (priv->vi);
-
- card->driver = priv;
-
- return TRUE;
-
-fail:
- if(priv->vi)
- Vm86Cleanup(priv->vi);
- return FALSE;
-}
-
-void
-vesaListModes (void)
-{
- Vm86InfoPtr vi;
- VesaModePtr modes;
- int nmode;
- int n;
-
- vi = Vm86Setup (vesa_map_holes);
- if (!vi)
- {
- ErrorF ("Can't setup vm86\n");
- }
- else
- {
- modes = vesaGetModes (vi, &nmode);
- if (!modes)
- {
- ErrorF ("No modes available\n");
- }
- else
- {
- VbeReportInfo (vi);
- for (n = 0; n < nmode; n++)
- {
- if (vesa_force_mode || vesaModeSupportable (modes+n, 0))
- vesaReportMode (modes+n);
- }
- xfree (modes);
- }
- Vm86Cleanup (vi);
- }
-}
-
-void
-vesaTestMode (void)
-{
- Vm86InfoPtr vi;
- VesaModePtr modes;
- VesaModePtr mode;
- VbeInfoPtr vbeInfo;
- int nmode;
- int n;
-
- vi = Vm86Setup (vesa_map_holes);
- if (!vi)
- {
- ErrorF ("Can't setup vm86\n");
- return;
- }
- modes = vesaGetModes (vi, &nmode);
- if (!modes)
- {
- ErrorF ("No modes available\n");
- return;
- }
- VbeReportInfo (vi);
- vbeInfo = VbeInit (vi);
- for (n = 0; n < nmode; n++)
- {
- if (modes[n].mode == vesa_video_mode)
- break;
- }
- if (n == nmode)
- {
- ErrorF ("no mode specified\n");
- return;
- }
- mode = &modes[n];
- if (mode->vbe)
- {
- ErrorF ("Enable VBE mode 0x%x\n", mode->mode);
- VbeSetMode(vi, vbeInfo, mode->mode, FALSE, FALSE);
- }
- else
- {
- ErrorF ("Enable BIOS mode 0x%x\n", mode->mode);
- VgaSetMode (vi, mode->mode);
- }
- sleep (2);
- ErrorF ("Restore BIOS mode 0x%x\n", 3);
- VgaSetMode (vi, 3);
- xfree (modes);
- Vm86Cleanup (vi);
-}
-
-Bool
-vesaCardInit(KdCardInfo *card)
-{
- VesaCardPrivPtr priv;
-
- priv = xalloc(sizeof(VesaCardPrivRec));
- if(!priv)
- return FALSE;
-
- if (!vesaInitialize (card, priv))
- {
- xfree(priv);
- return FALSE;
- }
-
- return TRUE;
-}
-
-int
-vesaDepth (VesaModePtr mode)
-{
- if (mode->MemoryModel == MEMORY_DIRECT)
- return (mode->RedMaskSize +
- mode->GreenMaskSize +
- mode->BlueMaskSize);
- else
- return mode->BitsPerPixel;
-}
-
-Bool
-vesaModeGood (KdScreenInfo *screen,
- VesaModePtr a)
-{
- if (vesaWidth(screen,a) <= screen->width &&
- vesaHeight(screen,a) <= screen->height &&
- vesaDepth (a) >= screen->fb[0].depth)
- {
- return TRUE;
- }
- return FALSE;
-}
-
-#define vabs(a) ((a) >= 0 ? (a) : -(a))
-
-int
-vesaSizeError (KdScreenInfo *screen,
- VesaModePtr a)
-{
- int xdist, ydist;
- xdist = vabs (screen->width - vesaWidth(screen,a));
- ydist = vabs (screen->height - vesaHeight(screen,a));
- return xdist * xdist + ydist * ydist;
-}
-
-Bool
-vesaModeBetter (KdScreenInfo *screen,
- VesaModePtr a,
- VesaModePtr b)
-{
- int aerr, berr;
-
- if (vesaModeGood (screen, a))
- {
- if (!vesaModeGood (screen, b))
- return TRUE;
- }
- else
- {
- if (vesaModeGood (screen, b))
- return FALSE;
- }
- aerr = vesaSizeError (screen, a);
- berr = vesaSizeError (screen, b);
- if (aerr < berr)
- return TRUE;
- if (berr < aerr)
- return FALSE;
- if (vabs (screen->fb[0].depth - vesaDepth (a)) <
- vabs (screen->fb[0].depth - vesaDepth (b)))
- return TRUE;
- return FALSE;
-}
-
-VesaModePtr
-vesaSelectMode (KdScreenInfo *screen)
-{
- VesaCardPrivPtr priv = screen->card->driver;
- int i, best;
-
- if (vesa_video_mode)
- {
- for (best = 0; best < priv->nmode; best++)
- if (priv->modes[best].mode == vesa_video_mode &&
- (vesaModeSupported (priv, &priv->modes[best], FALSE) ||
- vesa_force_mode))
- return &priv->modes[best];
- }
- for (best = 0; best < priv->nmode; best++)
- {
- if (vesaModeSupported (priv, &priv->modes[best], FALSE))
- break;
- }
- if (best == priv->nmode)
- return 0;
- for (i = best + 1; i < priv->nmode; i++)
- if (vesaModeSupported (priv, &priv->modes[i], FALSE) &&
- vesaModeBetter (screen, &priv->modes[i],
- &priv->modes[best]))
- best = i;
- return &priv->modes[best];
-}
-
-Bool
-vesaScreenInitialize (KdScreenInfo *screen, VesaScreenPrivPtr pscr)
-{
- VesaModePtr mode;
-
- screen->driver = pscr;
-
- if (!screen->width || !screen->height)
- {
- screen->width = 640;
- screen->height = 480;
- }
- if (!screen->fb[0].depth)
- screen->fb[0].depth = 4;
-
- if (vesa_verbose)
- ErrorF ("Mode requested %dx%dx%d\n",
- screen->width, screen->height, screen->fb[0].depth);
-
- mode = vesaSelectMode (screen);
-
- if (!mode)
- {
- if (vesa_verbose)
- ErrorF ("No selectable mode\n");
- return FALSE;
- }
- pscr->mode = *mode;
-
- if (vesa_verbose)
- {
- ErrorF ("\t");
- vesaReportMode (&pscr->mode);
- }
-
- pscr->randr = screen->randr;
- pscr->shadow = vesa_shadow;
- pscr->origDepth = screen->fb[0].depth;
- /*
- * Compute visual support for the selected depth
- */
-
- switch (pscr->mode.MemoryModel) {
- case MEMORY_DIRECT:
- /* TrueColor or DirectColor */
- screen->fb[0].visuals = (1 << TrueColor);
- screen->fb[0].redMask =
- FbStipMask(pscr->mode.RedFieldPosition, pscr->mode.RedMaskSize);
- screen->fb[0].greenMask =
- FbStipMask(pscr->mode.GreenFieldPosition, pscr->mode.GreenMaskSize);
- screen->fb[0].blueMask =
- FbStipMask(pscr->mode.BlueFieldPosition, pscr->mode.BlueMaskSize);
- break;
- case MEMORY_PSEUDO:
- /* PseudoColor */
- screen->fb[0].visuals = ((1 << StaticGray) |
- (1 << GrayScale) |
- (1 << StaticColor) |
- (1 << PseudoColor) |
- (1 << TrueColor) |
- (1 << DirectColor));
- screen->fb[0].blueMask = 0x00;
- screen->fb[0].greenMask = 0x00;
- screen->fb[0].redMask = 0x00;
- break;
- case MEMORY_PLANAR:
- /* 4 plane planar */
- if (pscr->mode.ModeAttributes & MODE_COLOUR)
- screen->fb[0].visuals = (1 << StaticColor);
- else
- screen->fb[0].visuals = (1 << StaticGray);
- screen->fb[0].blueMask = 0x00;
- screen->fb[0].greenMask = 0x00;
- screen->fb[0].redMask = 0x00;
- break;
- default:
- ErrorF("Unsupported VESA MemoryModel 0x%02X\n",
- pscr->mode.MemoryModel);
- return FALSE;
- }
- screen->rate = 72;
-
- if (!vesaComputeFramebufferMapping (screen))
- return FALSE;
- if (!vesaMapFramebuffer (screen))
- return FALSE;
- return TRUE;
-}
-
-Bool
-vesaScreenInit(KdScreenInfo *screen)
-{
- VesaScreenPrivPtr pscr;
-
- pscr = xcalloc (1, sizeof (VesaScreenPrivRec));
- if (!pscr)
- return FALSE;
- if (!vesaScreenInitialize (screen, pscr))
- return FALSE;
- return TRUE;
-}
-
-void *
-vesaSetWindowPlanar(ScreenPtr pScreen,
- CARD32 row,
- CARD32 offset,
- int mode,
- CARD32 *size)
-{
- KdScreenPriv(pScreen);
- VesaCardPrivPtr priv = pScreenPriv->card->driver;
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
- static int plane;
- int winSize;
- void *base;
-
- plane = offset & 3;
- VgaSetWritePlaneMask (priv->vi, (1 << plane));
- offset = offset >> 2;
- if (pscr->mode.vbe)
- {
- base = VbeSetWindow (priv->vi,
- priv->vbeInfo,
- pscr->mode.BytesPerScanLine * row + offset,
- mode,
- &winSize);
- }
- else
- {
- base = VgaSetWindow (priv->vi,
- pscr->mode.mode,
- pscr->mode.BytesPerScanLine * row + offset,
- mode,
- &winSize);
- }
- *size = (CARD32) winSize;
- return base;
-}
-
-void *
-vesaSetWindowLinear (ScreenPtr pScreen,
- CARD32 row,
- CARD32 offset,
- int mode,
- CARD32 *size)
-{
- KdScreenPriv(pScreen);
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
-
- *size = pscr->mode.BytesPerScanLine;
- return (CARD8 *) pscr->fb + row * pscr->mode.BytesPerScanLine + offset;
-}
-
-void *
-vesaSetWindowWindowed (ScreenPtr pScreen,
- CARD32 row,
- CARD32 offset,
- int mode,
- CARD32 *size)
-{
- KdScreenPriv(pScreen);
- VesaCardPrivPtr priv = pScreenPriv->card->driver;
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
- int winSize;
- void *base;
-
- if (pscr->mode.vbe)
- {
- base = VbeSetWindow (priv->vi,
- priv->vbeInfo,
- pscr->mode.BytesPerScanLine * row + offset,
- mode,
- &winSize);
- }
- else
- {
- base = VgaSetWindow (priv->vi,
- pscr->mode.mode,
- pscr->mode.BytesPerScanLine * row + offset,
- mode,
- &winSize);
- }
- *size = (CARD32) winSize;
- return base;
-}
-
-void *
-vesaWindowPlanar (ScreenPtr pScreen,
- CARD32 row,
- CARD32 offset,
- int mode,
- CARD32 *size,
- void *closure)
-{
- KdScreenPriv(pScreen);
-
- if (!pScreenPriv->enabled)
- return 0;
- return vesaSetWindowPlanar (pScreen, row, offset, mode, size);
-}
-
-void *
-vesaWindowLinear (ScreenPtr pScreen,
- CARD32 row,
- CARD32 offset,
- int mode,
- CARD32 *size,
- void *closure)
-{
- KdScreenPriv(pScreen);
-
- if (!pScreenPriv->enabled)
- return 0;
- return vesaSetWindowLinear (pScreen, row, offset, mode, size);
-}
-
-void *
-vesaWindowWindowed (ScreenPtr pScreen,
- CARD32 row,
- CARD32 offset,
- int mode,
- CARD32 *size,
- void *closure)
-{
- KdScreenPriv(pScreen);
-
- if (!pScreenPriv->enabled)
- return 0;
- return vesaSetWindowWindowed (pScreen, row, offset, mode, size);
-}
-
-#define vesaInvertBits32(v) { \
- v = ((v & 0x55555555) << 1) | ((v >> 1) & 0x55555555); \
- v = ((v & 0x33333333) << 2) | ((v >> 2) & 0x33333333); \
- v = ((v & 0x0f0f0f0f) << 4) | ((v >> 4) & 0x0f0f0f0f); \
-}
-
-void *
-vesaWindowCga (ScreenPtr pScreen,
- CARD32 row,
- CARD32 offset,
- int mode,
- CARD32 *size,
- void *closure)
-{
- KdScreenPriv(pScreen);
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
- int line;
-
- if (!pScreenPriv->enabled)
- return 0;
- *size = pscr->mode.BytesPerScanLine;
- line = ((row & 1) << 13) + (row >> 1) * pscr->mode.BytesPerScanLine;
- return (CARD8 *) pscr->fb + line + offset;
-}
-
-void
-vesaUpdateMono (ScreenPtr pScreen,
- shadowBufPtr pBuf)
-{
- RegionPtr damage = shadowDamage(pBuf);
- PixmapPtr pShadow = pBuf->pPixmap;
- int nbox = REGION_NUM_RECTS (damage);
- BoxPtr pbox = REGION_RECTS (damage);
- FbBits *shaBase, *shaLine, *sha;
- FbStride shaStride;
- int scrBase, scrLine, scr;
- int shaBpp;
- int shaXoff, shaYoff; /* XXX assumed to be zero */
- int x, y, w, h, width;
- int i;
- FbBits *winBase = 0, *win;
- CARD32 winSize;
- FbBits bits;
-
- fbGetDrawable (&pShadow->drawable, shaBase, shaStride, shaBpp, shaXoff, shaYoff);
- while (nbox--)
- {
- x = pbox->x1 * shaBpp;
- y = pbox->y1;
- w = (pbox->x2 - pbox->x1) * shaBpp;
- h = pbox->y2 - pbox->y1;
-
- scrLine = (x >> FB_SHIFT);
- shaLine = shaBase + y * shaStride + (x >> FB_SHIFT);
-
- x &= FB_MASK;
- w = (w + x + FB_MASK) >> FB_SHIFT;
-
- while (h--)
- {
- winSize = 0;
- scrBase = 0;
- width = w;
- scr = scrLine;
- sha = shaLine;
- while (width) {
- /* how much remains in this window */
- i = scrBase + winSize - scr;
- if (i <= 0 || scr < scrBase)
- {
- winBase = (FbBits *) (*pBuf->window) (pScreen,
- y,
- scr * sizeof (FbBits),
- SHADOW_WINDOW_WRITE,
- &winSize,
- pBuf->closure);
- if(!winBase)
- return;
- scrBase = scr;
- winSize /= sizeof (FbBits);
- i = winSize;
- }
- win = winBase + (scr - scrBase);
- if (i > width)
- i = width;
- width -= i;
- scr += i;
- while (i--)
- {
- bits = *sha++;
- vesaInvertBits32(bits);
- *win++ = bits;
- }
- }
- shaLine += shaStride;
- y++;
- }
- pbox++;
- }
-}
-
-static const CARD16 vga16Colors[16][3] = {
- { 0, 0, 0, }, /* 0 */
- { 0, 0, 0xAA,}, /* 1 */
- { 0, 0xAA,0, }, /* 2 */
- { 0, 0xAA,0xAA,}, /* 3 */
- { 0xAA,0, 0, }, /* 4 */
- { 0xAA,0, 0xAA,}, /* 5 */
- { 0xAA,0x55,0, }, /* 6 */
- { 0xAA,0xAA,0xAA,}, /* 7 */
- { 0x55,0x55,0x55,}, /* 8 */
- { 0x55,0x55,0xFF,}, /* 9 */
- { 0x55,0xFF,0x55,}, /* 10 */
- { 0x55,0xFF,0xFF,}, /* 11 */
- { 0xFF,0x55,0x55,}, /* 12 */
- { 0xFF,0x55,0xFF,}, /* 13 */
- { 0xFF,0xFF,0x55,}, /* 14 */
- { 0xFF,0xFF,0xFF,}, /* 15 */
-};
-
-Bool
-vesaCreateColormap16 (ColormapPtr pmap)
-{
- int i, j;
-
- if (pmap->pVisual->ColormapEntries == 16)
- for (i = 0; i < pmap->pVisual->ColormapEntries; i++)
- {
- j = i & 0xf;
- pmap->red[i].co.local.red = (vga16Colors[j][0]<<8)|vga16Colors[j][0];
- pmap->red[i].co.local.green = (vga16Colors[j][1]<<8)|vga16Colors[j][1];
- pmap->red[i].co.local.blue = (vga16Colors[j][2]<<8)|vga16Colors[j][2];
- }
- return TRUE;
-}
-
-void
-vesaSetScreenSizes (ScreenPtr pScreen)
-{
- KdScreenPriv(pScreen);
- KdScreenInfo *screen = pScreenPriv->screen;
- VesaScreenPrivPtr pscr = screen->driver;
-
- if (pscr->randr & (RR_Rotate_0|RR_Rotate_180))
- {
- pScreen->width = pscr->mode.XResolution;
- pScreen->height = pscr->mode.YResolution;
- pScreen->mmWidth = screen->width_mm;
- pScreen->mmHeight = screen->height_mm;
- }
- else
- {
- pScreen->width = pscr->mode.YResolution;
- pScreen->height = pscr->mode.XResolution;
- pScreen->mmWidth = screen->height_mm;
- pScreen->mmHeight = screen->width_mm;
- }
-}
-
-Bool
-vesaSetShadow (ScreenPtr pScreen)
-{
- KdScreenPriv(pScreen);
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
- ShadowUpdateProc update;
- ShadowWindowProc window = 0;
-
- if (pscr->randr != RR_Rotate_0)
- update = shadowUpdateRotatePacked;
- else
- update = shadowUpdatePacked;
- switch (pscr->mapping) {
- case VESA_LINEAR:
- window = vesaWindowLinear;
- break;
- case VESA_WINDOWED:
- window = vesaWindowWindowed;
- break;
- case VESA_PLANAR:
- pScreen->CreateColormap = vesaCreateColormap16;
- if (pScreenPriv->screen->fb[0].bitsPerPixel == 8)
- update = shadowUpdatePlanar4x8;
- else
- update = shadowUpdatePlanar4;
- window = vesaWindowPlanar;
- break;
- case VESA_MONO:
- update = vesaUpdateMono;
- if (pscr->mode.mode < 8)
- window = vesaWindowCga;
- else
- window = vesaWindowLinear;
- break;
- }
-
- return KdShadowSet (pScreen, pscr->randr, update, window);
-}
-
-static Bool
-vesaComputeFramebufferMapping (KdScreenInfo *screen)
-{
- VesaScreenPrivPtr pscr = screen->driver;
- int depth, bpp, fbbpp;
- Pixel allbits;
- KdMouseMatrix m;
-
- if (vesa_linear_fb)
- {
- pscr->mapping = VESA_LINEAR;
- pscr->shadow = FALSE;
- }
- else
- {
- pscr->mapping = VESA_WINDOWED;
- pscr->shadow = TRUE;
- }
-
- depth = vesaDepth (&pscr->mode);
- bpp = pscr->mode.BitsPerPixel;
-
- if (bpp > 24)
- bpp = 32;
- else if (bpp > 16)
- bpp = 24;
- else if (bpp > 8)
- bpp = 16;
- else if (bpp > 4)
- bpp = 8;
- else if (bpp > 1)
- bpp = 4;
- else
- bpp = 1;
- fbbpp = bpp;
-
- switch (pscr->mode.MemoryModel) {
- case MEMORY_DIRECT:
- allbits = (screen->fb[0].redMask |
- screen->fb[0].greenMask |
- screen->fb[0].blueMask);
- depth = 32;
- while (depth && !(allbits & (1 << (depth - 1))))
- depth--;
- if (vesa_verbose)
- ErrorF ("\tTrue Color red 0x%x green 0x%x blue 0x%x\n",
- bpp, depth,
- screen->fb[0].redMask,
- screen->fb[0].greenMask,
- screen->fb[0].blueMask);
- break;
- case MEMORY_PSEUDO:
- if (vesa_verbose)
- ErrorF ("\tPseudo Color bpp %d depth %d\n",
- bpp, depth);
- break;
- case MEMORY_PLANAR:
- if (bpp == 4)
- {
- bpp = screen->fb[0].bitsPerPixel;
- if (bpp != 8)
- bpp = 4;
- depth = bpp;
- }
- if (bpp == 1)
- {
- pscr->mapping = VESA_MONO;
- if (vesa_verbose)
- ErrorF ("\tMonochrome\n");
- }
- else
- {
- pscr->mapping = VESA_PLANAR;
- if (vesa_verbose)
- ErrorF ("\tStatic color bpp %d depth %d\n",
- bpp, depth);
- }
- pscr->randr = RR_Rotate_0;
- pscr->shadow = TRUE;
- break;
- default:
- return FALSE;
- }
-
- switch (fbbpp) {
- case 8:
- case 16:
- case 32:
- break;
- default:
- pscr->randr = RR_Rotate_0;
- break;
- }
-
- if (pscr->randr != RR_Rotate_0)
- pscr->shadow = TRUE;
-
- if (vesa_shadow)
- pscr->shadow = vesa_shadow;
-
- if (pscr->mapping == VESA_LINEAR && !(pscr->mode.ModeAttributes & MODE_LINEAR))
- {
- pscr->mapping = VESA_WINDOWED;
- pscr->shadow = TRUE;
- }
- KdComputeMouseMatrix (&m, pscr->randr,
- pscr->mode.XResolution, pscr->mode.YResolution);
-
- KdSetMouseMatrix (&m);
-
- screen->width = pscr->mode.XResolution;
- screen->height = pscr->mode.YResolution;
- screen->fb[0].depth = depth;
- screen->fb[0].bitsPerPixel = bpp;
-
- return TRUE;
-}
-
-static Bool
-vesaMapFramebuffer (KdScreenInfo *screen)
-{
- VesaCardPrivPtr priv = screen->card->driver;
- VesaScreenPrivPtr pscr = screen->driver;
-
- if (pscr->mapped)
- return TRUE;
- switch (pscr->mapping) {
- case VESA_MONO:
- case VESA_LINEAR:
- if (pscr->mode.vbe)
- pscr->fb = VbeMapFramebuffer(priv->vi, priv->vbeInfo,
- pscr->mode.mode,
- &pscr->fb_size,
- &pscr->fb_phys);
- else
- pscr->fb = VgaMapFramebuffer (priv->vi,
- pscr->mode.mode,
- &pscr->fb_size,
- &pscr->fb_phys);
- if (!pscr->fb)
- return FALSE;
- break;
- case VESA_WINDOWED:
- pscr->fb = NULL;
- break;
- case VESA_PLANAR:
- pscr->fb = NULL;
- break;
- }
-
- screen->memory_base = pscr->fb;
- screen->memory_size = pscr->fb_size;
-
- if (pscr->shadow)
- {
- if (!KdShadowFbAlloc (screen, 0,
- pscr->randr & (RR_Rotate_90|RR_Rotate_270)))
- return FALSE;
- screen->off_screen_base = screen->memory_size;
- }
- else
- {
- screen->fb[0].frameBuffer = (CARD8 *) (pscr->fb);
- screen->fb[0].byteStride = pscr->mode.BytesPerScanLine;
- screen->fb[0].pixelStride = ((pscr->mode.BytesPerScanLine * 8) /
- screen->fb[0].bitsPerPixel);
- screen->off_screen_base = screen->fb[0].byteStride * screen->height;
- }
- pscr->mapped = TRUE;
-
- return TRUE;
-}
-
-static void
-vesaUnmapFramebuffer (KdScreenInfo *screen)
-{
- VesaCardPrivPtr priv = screen->card->driver;
- VesaScreenPrivPtr pscr = screen->driver;
-
- if (!pscr->mapped)
- return;
-
- pscr->mapped = FALSE;
- KdShadowFbFree (screen, 0);
- if (pscr->fb)
- {
- if (pscr->mode.vbe)
- VbeUnmapFramebuffer(priv->vi, priv->vbeInfo, pscr->mode.mode, pscr->fb);
- else
- VgaUnmapFramebuffer (priv->vi);
- pscr->fb = 0;
- }
-}
-
-#ifdef RANDR
-Bool
-vesaRandRGetInfo (ScreenPtr pScreen, Rotation *rotations)
-{
- KdScreenPriv(pScreen);
- VesaModePtr modes, mode;
- KdScreenInfo *screen = pScreenPriv->screen;
- VesaCardPrivPtr priv = pScreenPriv->card->driver;
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
- int nmode;
- int n;
- RRScreenSizePtr pSize;
-
- *rotations = (RR_Rotate_0|RR_Rotate_90|RR_Rotate_180|RR_Rotate_270|
- RR_Reflect_X|RR_Reflect_Y);
- /*
- * Get mode information from BIOS -- every time in case
- * something changes, like an external monitor is plugged in
- */
- modes = vesaGetModes (priv->vi, &nmode);
- if (!modes)
- return FALSE;
- if (priv->modes)
- xfree (priv->modes);
- priv->modes = modes;
- priv->nmode = nmode;
- for (n = 0; n < nmode; n++)
- {
- mode = &priv->modes[n];
- if (vesaModeSupported (priv, mode, FALSE))
- {
- /*
- * XXX limit reported modes to those matching the current
- * format
- */
- if (mode->NumberOfPlanes == pscr->mode.NumberOfPlanes &&
- mode->BitsPerPixel == pscr->mode.BitsPerPixel &&
- mode->MemoryModel == pscr->mode.MemoryModel &&
- mode->RedMaskSize == pscr->mode.RedMaskSize &&
- mode->RedFieldPosition == pscr->mode.RedFieldPosition &&
- mode->GreenMaskSize == pscr->mode.GreenMaskSize &&
- mode->GreenFieldPosition == pscr->mode.GreenFieldPosition &&
- mode->BlueMaskSize == pscr->mode.BlueMaskSize &&
- mode->BlueFieldPosition == pscr->mode.BlueFieldPosition)
- {
- int width, height, width_mm, height_mm;
- if (screen->randr & (RR_Rotate_0|RR_Rotate_180))
- {
- width = mode->XResolution;
- height = mode->YResolution;
- width_mm = screen->width_mm;
- height_mm = screen->height_mm;
- }
- else
- {
- width = mode->YResolution;
- height = mode->XResolution;
- width_mm = screen->height_mm;
- height_mm = screen->width_mm;
- }
- pSize = RRRegisterSize (pScreen,
- width, height,
- width_mm, height_mm);
- if (mode->XResolution == screen->width &&
- mode->YResolution == screen->height)
- {
- int randr = KdSubRotation (pscr->randr, screen->randr);
- RRSetCurrentConfig (pScreen, randr, 0, pSize);
- }
- }
- }
- }
- return TRUE;
-}
-
-Bool
-vesaRandRSetConfig (ScreenPtr pScreen,
- Rotation randr,
- int rate,
- RRScreenSizePtr pSize)
-{
- KdScreenPriv(pScreen);
- VesaModePtr mode = 0;
- KdScreenInfo *screen = pScreenPriv->screen;
- VesaCardPrivPtr priv = pScreenPriv->card->driver;
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
- int n;
- Bool wasEnabled = pScreenPriv->enabled;
- Bool ret = FALSE;
- VesaScreenPrivRec oldscr;
- int oldwidth;
- int oldheight;
- int oldmmwidth;
- int oldmmheight;
- int newwidth, newheight;
-
- if (screen->randr & (RR_Rotate_0|RR_Rotate_180))
- {
- newwidth = pSize->width;
- newheight = pSize->height;
- }
- else
- {
- newwidth = pSize->height;
- newheight = pSize->width;
- }
- for (n = 0; n < priv->nmode; n++)
- {
- mode = &priv->modes[n];
- if (vesaModeSupported (priv, mode, FALSE))
- {
- /*
- * XXX all we have to match is the size
- */
- if (mode->XResolution == newwidth &&
- mode->YResolution == newheight &&
- mode->NumberOfPlanes == pscr->mode.NumberOfPlanes &&
- mode->BitsPerPixel == pscr->mode.BitsPerPixel &&
- mode->RedMaskSize == pscr->mode.RedMaskSize &&
- mode->RedFieldPosition == pscr->mode.RedFieldPosition &&
- mode->GreenMaskSize == pscr->mode.GreenMaskSize &&
- mode->GreenFieldPosition == pscr->mode.GreenFieldPosition &&
- mode->BlueMaskSize == pscr->mode.BlueMaskSize &&
- mode->BlueFieldPosition == pscr->mode.BlueFieldPosition)
- break;
- }
- }
- if (n == priv->nmode)
- goto bail0;
-
- if (wasEnabled)
- KdDisableScreen (pScreen);
-
- if (mode->mode != pscr->mode.mode)
- {
- ret = vesaSetMode (pScreen, mode);
- if (!ret)
- goto bail1;
- }
-
- oldscr = *pscr;
-
- oldwidth = screen->width;
- oldheight = screen->height;
- oldmmwidth = pScreen->mmWidth;
- oldmmheight = pScreen->mmHeight;
-
- /*
- * Set new configuration
- */
-
- pscr->mode = *mode;
- pscr->randr = KdAddRotation (screen->randr, randr);
-
- /*
- * Can't rotate some formats
- */
- switch (screen->fb[0].bitsPerPixel) {
- case 8:
- case 16:
- case 32:
- break;
- default:
- if (pscr->randr)
- goto bail2;
- break;
- }
-
- KdOffscreenSwapOut (screen->pScreen);
-
- vesaUnmapFramebuffer (screen);
-
- if (!vesaComputeFramebufferMapping (screen))
- goto bail3;
-
- if (!vesaMapFramebuffer (screen))
- goto bail3;
-
- vesaSetScreenSizes (screen->pScreen);
-
- if (!vesaSetShadow (screen->pScreen))
- goto bail4;
-
- /*
- * Set frame buffer mapping
- */
- (*pScreen->ModifyPixmapHeader) (fbGetScreenPixmap (pScreen),
- pScreen->width,
- pScreen->height,
- screen->fb[0].depth,
- screen->fb[0].bitsPerPixel,
- screen->fb[0].byteStride,
- screen->fb[0].frameBuffer);
-
- /* set the subpixel order */
- KdSetSubpixelOrder (pScreen, pscr->randr);
-
- if (wasEnabled)
- KdEnableScreen (pScreen);
-
- return TRUE;
-
-bail4:
- vesaUnmapFramebuffer (screen);
- *pscr = oldscr;
- (void) vesaComputeFramebufferMapping (screen);
- (void) vesaMapFramebuffer (screen);
-
-bail3:
- pScreen->width = oldwidth;
- pScreen->height = oldheight;
- pScreen->mmWidth = oldmmwidth;
- pScreen->mmHeight = oldmmheight;
-
-bail2:
- *pscr = oldscr;
-
- (void) vesaSetMode (pScreen, &pscr->mode);
-bail1:
- if (wasEnabled)
- KdEnableScreen (pScreen);
-bail0:
-
- return FALSE;
-}
-
-Bool
-vesaRandRInit (ScreenPtr pScreen)
-{
- rrScrPrivPtr pScrPriv;
-
- if (!RRScreenInit (pScreen))
- return FALSE;
-
- pScrPriv = rrGetScrPriv(pScreen);
- pScrPriv->rrGetInfo = vesaRandRGetInfo;
- pScrPriv->rrSetConfig = vesaRandRSetConfig;
- return TRUE;
-}
-#endif
-
-Bool
-vesaInitScreen(ScreenPtr pScreen)
-{
- return TRUE;
-}
-
-Bool
-vesaFinishInitScreen (ScreenPtr pScreen)
-{
- if (!shadowSetup (pScreen))
- return FALSE;
-
-#ifdef RANDR
- if (!vesaRandRInit (pScreen))
- return FALSE;
-#endif
-
- return TRUE;
-}
-
-Bool
-vesaCreateResources (ScreenPtr pScreen)
-{
- return vesaSetShadow (pScreen);
-}
-
-Bool
-vesaSetMode (ScreenPtr pScreen,
- VesaModePtr mode)
-{
- KdScreenPriv(pScreen);
- VesaCardPrivPtr priv = pScreenPriv->card->driver;
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
- int code;
-
- if (mode->vbe)
- {
- if (vesa_verbose)
- ErrorF ("Enable VBE mode 0x%x\n", mode->mode);
- code = VbeSetMode(priv->vi, priv->vbeInfo, mode->mode,
- pscr->mapping == VESA_LINEAR,
- mode->MemoryModel == MEMORY_DIRECT);
- }
- else
- {
- if (vesa_verbose)
- ErrorF ("Enable BIOS mode 0x%x\n", mode->mode);
- code = VgaSetMode (priv->vi, mode->mode);
- }
-
- if(code < 0)
- return FALSE;
-
- return TRUE;
-}
-
-Bool
-vesaEnable(ScreenPtr pScreen)
-{
- KdScreenPriv(pScreen);
- VesaCardPrivPtr priv = pScreenPriv->card->driver;
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
- KdScreenInfo *screen = pScreenPriv->screen;
- int i;
- CARD32 size;
- char *p;
- Bool was_mapped = pscr->mapped;
-
- if (!vesaMapFramebuffer (screen))
- return FALSE;
-
- if (!vesaSetMode (pScreen, &pscr->mode))
- return FALSE;
-
- switch (pscr->mapping) {
- case VESA_MONO:
- VgaSetWritePlaneMask (priv->vi, 0x1);
- case VESA_LINEAR:
- if (vesa_restore_font)
- memcpy (priv->text, pscr->fb, VESA_TEXT_SAVE);
- break;
- case VESA_WINDOWED:
- if (vesa_restore_font)
- {
- for (i = 0; i < VESA_TEXT_SAVE;)
- {
- p = vesaSetWindowWindowed (pScreen, 0, i, VBE_WINDOW_READ, &size);
- if(!p) {
- ErrorF("Couldn't set window for saving VGA font\n");
- break;
- }
- if(i + size > VESA_TEXT_SAVE)
- size = VESA_TEXT_SAVE - i;
- memcpy(((char*)priv->text) + i, p, size);
- i += size;
- }
- }
- break;
- case VESA_PLANAR:
- if (vesa_restore_font)
- {
- for (i = 0; i < 4; i++)
- {
- p = vesaSetWindowPlanar (pScreen, 0, i, VBE_WINDOW_READ, &size);
- memcpy (((char *)priv->text) + i * (VESA_TEXT_SAVE/4), p,
- (VESA_TEXT_SAVE/4));
- }
- }
- break;
- }
- if (!was_mapped)
- {
- (*pScreen->ModifyPixmapHeader) (fbGetScreenPixmap (pScreen),
- pScreen->width,
- pScreen->height,
- screen->fb[0].depth,
- screen->fb[0].bitsPerPixel,
- screen->fb[0].byteStride,
- screen->fb[0].frameBuffer);
- }
- return TRUE;
-}
-
-#ifndef TOSHIBA_SMM
-
-# ifdef linux
-# define TOSHIBA_SMM 1
-# endif
-
-# ifndef TOSHIBA_SMM
-# define TOSHIBA_SMM 0
-# endif
-
-#endif
-
-#if TOSHIBA_SMM
-/*
- * Toshiba laptops use a special interface to operate the backlight
- */
-#include <sys/ioctl.h>
-#define TOSH_PROC "/proc/toshiba"
-#define TOSH_DEVICE "/dev/toshiba"
-#define TOSH_SMM _IOWR('t', 0x90, SMMRegisters)
-
-typedef struct {
- unsigned int eax;
- unsigned int ebx __attribute__ ((packed));
- unsigned int ecx __attribute__ ((packed));
- unsigned int edx __attribute__ ((packed));
- unsigned int esi __attribute__ ((packed));
- unsigned int edi __attribute__ ((packed));
-} SMMRegisters;
-
-#define HCI_BACKLIGHT 0x0002
-#define HCI_DISABLE 0x0000
-#define HCI_ENABLE 0x0001
-#define HCI_GET 0xfe00,
-#define HCI_SET 0xff00
-
-Bool
-toshibaDPMS (ScreenPtr pScreen, int mode)
-{
- SMMRegisters regs;
- static int fd;
-
- if (!fd)
- fd = open (TOSH_DEVICE, 2);
- if (fd < 0)
- return FALSE;
- regs.eax = HCI_SET;
- regs.ebx = HCI_BACKLIGHT;
- regs.ecx = mode ? HCI_DISABLE : HCI_ENABLE;
- if (ioctl (fd, TOSH_SMM, &regs) < 0)
- return FALSE;
- return TRUE;
-}
-#endif /* TOSHIBA_SMM */
-
-Bool
-vesaDPMS (ScreenPtr pScreen, int mode)
-{
- KdScreenPriv(pScreen);
- VesaCardPrivPtr priv = pScreenPriv->card->driver;
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
-
-#if TOSHIBA_SMM
- if (toshibaDPMS (pScreen, mode))
- return TRUE;
-#endif
- if (pscr->mode.vbe)
- return VbeDPMS (priv->vi, mode);
- return FALSE;
-}
-
-void
-vesaDisable(ScreenPtr pScreen)
-{
- KdScreenPriv(pScreen);
- KdScreenInfo *screen = pScreenPriv->screen;
- VesaCardPrivPtr priv = pScreenPriv->card->driver;
- VesaScreenPrivPtr pscr = screen->driver;
- int i=0;
- CARD32 size;
- char *p;
-
- if (vesa_restore_font) {
- switch (pscr->mapping) {
- case VESA_LINEAR:
- case VESA_MONO:
- memcpy(pscr->fb, priv->text, VESA_TEXT_SAVE);
- break;
- case VESA_WINDOWED:
- while(i < VESA_TEXT_SAVE) {
- p = vesaSetWindowWindowed (pScreen, 0, i, VBE_WINDOW_WRITE, &size);
- if(!p) {
- ErrorF("Couldn't set window for restoring VGA font\n");
- break;
- }
- if(i + size > VESA_TEXT_SAVE)
- size = VESA_TEXT_SAVE - i;
- memcpy(p, ((char*)priv->text) + i, size);
- i += size;
- }
- break;
- case VESA_PLANAR:
- for (i = 0; i < 4; i++)
- {
- p = vesaSetWindowPlanar (pScreen, 0, i, VBE_WINDOW_WRITE, &size);
- memcpy (p,
- ((char *)priv->text) + i * (VESA_TEXT_SAVE/4),
- (VESA_TEXT_SAVE/4));
- }
- break;
- }
- }
- vesaUnmapFramebuffer (screen);
-}
-
-void
-vesaPreserve(KdCardInfo *card)
-{
- VesaCardPrivPtr priv = card->driver;
-
- /* The framebuffer might not be valid at this point, so we cannot
- save the VGA fonts now; we do it in vesaEnable. */
-
- if (VbeGetMode (priv->vi, &priv->old_vbe_mode) < 0)
- priv->old_vbe_mode = -1;
-
- if (VgaGetMode (priv->vi, &priv->old_vga_mode) < 0)
- priv->old_vga_mode = -1;
-
- if (vesa_verbose)
- ErrorF ("Previous modes: VBE 0x%x BIOS 0x%x\n",
- priv->old_vbe_mode, priv->old_vga_mode);
-}
-
-void
-vesaRestore(KdCardInfo *card)
-{
- VesaCardPrivPtr priv = card->driver;
- int n;
-
- if (vesa_force_text)
- {
- if (vesa_verbose)
- ErrorF ("Forcing switch back to mode 3 text\n");
- priv->old_vbe_mode = -1;
- priv->old_vga_mode = 3;
- }
- for (n = 0; n < priv->nmode; n++)
- if (priv->modes[n].vbe && priv->modes[n].mode == (priv->old_vbe_mode&0x3fff))
- break;
-
- if (n < priv->nmode)
- {
- if (vesa_verbose)
- ErrorF ("Restore VBE mode 0x%x\n", priv->old_vbe_mode);
- VbeSetMode (priv->vi, priv->vbeInfo, priv->old_vbe_mode, 0, 0);
- }
- else
- {
- if (vesa_verbose)
- ErrorF ("Restore BIOS mode 0x%x\n", priv->old_vga_mode);
- VgaSetMode (priv->vi, priv->old_vga_mode);
- }
-}
-
-void
-vesaCardFini(KdCardInfo *card)
-{
- VesaCardPrivPtr priv = card->driver;
-
- if (priv->vbeInfo)
- VbeCleanup (priv->vi, priv->vbeInfo);
- if (priv->modes)
- xfree (priv->modes);
- Vm86Cleanup(priv->vi);
-}
-
-void
-vesaScreenFini(KdScreenInfo *screen)
-{
- VesaScreenPrivPtr pscr = screen->driver;
-
- KdShadowFbFree (screen, 0);
- vesaUnmapFramebuffer (screen);
- screen->fb[0].depth = pscr->origDepth;
-}
-
-int
-vesaSetPalette(VesaCardPrivPtr priv, int first, int number, U8 *entries)
-{
- if (priv->vga_palette)
- return VgaSetPalette (priv->vi, first, number, entries);
- else
- return VbeSetPalette (priv->vi, priv->vbeInfo, first, number, entries);
-}
-
-
-int
-vesaGetPalette(VesaCardPrivPtr priv, int first, int number, U8 *entries)
-{
- int code;
-
- if (priv->vga_palette)
- code = VgaGetPalette (priv->vi, first, number, entries);
- else
- {
- code = VbeGetPalette (priv->vi, priv->vbeInfo, first, number, entries);
- if (code < 0)
- {
- priv->vga_palette = 1;
- code = VgaGetPalette (priv->vi, first, number, entries);
- }
- }
- return code;
-}
-
-void
-vesaPutColors (ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
-{
- KdScreenPriv(pScreen);
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
- VesaCardPrivPtr priv = pScreenPriv->card->driver;
- int p;
- CARD8 *scratch;
- int red, green, blue;
- int min, max;
-
- if (vesa_swap_rgb)
- {
- red = 2;
- green = 1;
- blue = 0;
- }
- else
- {
- red = 0;
- green = 1;
- blue = 2;
- }
-
- min = 256;
- max = 0;
- while (n--)
- {
- p = pdefs->pixel;
- if (p < min)
- min = p;
- if (p > max)
- max = p;
- scratch = priv->cmap + (p * 4);
- scratch[red] = pdefs->red >> 8;
- scratch[green] = pdefs->green >> 8;
- scratch[blue] = pdefs->blue >> 8;
- scratch[3] = 0;
- pdefs++;
- if (pscr->mapping == VESA_PLANAR)
- {
- /*
- * VGA modes are strange; this code covers all
- * possible modes by duplicating the color information
- * however the attribute registers might be set
- */
- if (p < 16)
- {
- vesaSetPalette (priv, p, 1, scratch);
- if (p >= 8)
- vesaSetPalette (priv, p+0x30, 1, scratch);
- else if (p == 6)
- vesaSetPalette (priv, 0x14, 1, scratch);
- }
- }
- }
- if (pscr->mapping != VESA_PLANAR)
- vesaSetPalette (priv, min, max-min+1, priv->cmap + min * 4);
-}
-
-void
-vesaGetColors (ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
-{
- KdScreenPriv(pScreen);
- VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
- VesaCardPrivPtr priv = pScreenPriv->card->driver;
- int i;
- int red, green, blue;
- int min, max;
- int p;
- CARD8 *scratch;
-
- if (vesa_swap_rgb)
- {
- red = 2;
- green = 1;
- blue = 0;
- }
- else
- {
- red = 0;
- green = 1;
- blue = 2;
- }
-
- min = 256;
- max = 0;
- for(i = 0; i < n; i++)
- {
- p = pdefs[i].pixel;
- if (p < min)
- min = p;
- if (p > max)
- max = p;
- if (pscr->mapping == VESA_PLANAR)
- vesaGetPalette (priv, p, 1, priv->cmap + p * 4);
- }
- if (pscr->mapping != VESA_PLANAR)
- vesaGetPalette (priv, min, max - min + 1, priv->cmap + min * 4);
- for (i = 0; i < n; i++)
- {
- p = pdefs[i].pixel;
- scratch = priv->cmap + p * 4;
- pdefs[i].red = scratch[red]<<8;
- pdefs[i].green = scratch[green]<<8;
- pdefs[i].blue = scratch[blue]<<8;
- }
-}
-
-void
-vesaUseMsg (void)
-{
- ErrorF("\nTinyX VESA Usage:\n");
- ErrorF("-mode VESA video mode to use (Be careful!)\n");
- ErrorF("-listmodes List supported video modes\n");
- ErrorF("-force Attempt even unsupported modes\n");
- ErrorF("-shadow Always use shadow framebuffer (May increase performance)\n");
- ErrorF("-nolinear Never use linear framebuffer (Not useful)\n");
- ErrorF("-swaprgb Use if colors are wrong in PseudoColor and 16 color modes\n");
- ErrorF("-map-holes Use contiguous memory map (For seg fault with rare BIOS)\n");
- ErrorF("-verbose Emit diagnostic messages during BIOS initialization\n");
- ErrorF("-force-text Always use standard 25x80 text mode on server exit or VT switch\n");
- ErrorF("-boot Soft boot video card\n");
- /* XXX: usage for -vesatest, -no-map-holes (don't need?),
- * XXX: and -trash-font. Also in man page. */
-}
-
-int
-vesaProcessArgument (int argc, char **argv, int i)
-{
- if(!strcmp(argv[i], "-mode")) {
- if(i+1 < argc) {
- vesa_video_mode = strtol(argv[i+1], NULL, 0);
- } else
- UseMsg();
- return 2;
- } else if(!strcmp(argv[i], "-force")) {
- vesa_force_mode = TRUE;
- return 1;
- } else if(!strcmp(argv[i], "-listmodes")) {
- vesaListModes();
- exit(0);
- } else if(!strcmp(argv[i], "-vesatest")) {
- vesaTestMode();
- exit (0);
- } else if(!strcmp(argv[i], "-swaprgb")) {
- vesa_swap_rgb = TRUE;
- return 1;
- } else if(!strcmp(argv[i], "-shadow")) {
- vesa_shadow = TRUE;
- return 1;
- } else if(!strcmp(argv[i], "-nolinear")) {
- vesa_linear_fb = FALSE;
- return 1;
- } else if(!strcmp(argv[i], "-verbose")) {
- vesa_verbose = TRUE;
- return 1;
- } else if(!strcmp(argv[i], "-force-text")) {
- vesa_force_text = TRUE;
- return 1;
- } else if(!strcmp(argv[i], "-map-holes")) {
- vesa_map_holes = TRUE;
- return 1;
- } else if(!strcmp(argv[i], "-no-map-holes")) {
- vesa_map_holes = FALSE;
- return 1;
- } else if(!strcmp(argv[i], "-trash-font")) {
- vesa_restore_font = FALSE;
- return 1;
- } else if(!strcmp(argv[i], "-boot")) {
- vesa_boot = TRUE;
- return 1;
- }
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-25 11:20:59 +0000