822 lines
19 KiB
C
822 lines
19 KiB
C
/*
|
|
* Copyright © 1999 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 <kdrive-config.h>
|
|
#endif
|
|
#include "fbdev.h"
|
|
#include <sys/ioctl.h>
|
|
|
|
#include <errno.h>
|
|
|
|
extern int KdTsPhyScreen;
|
|
|
|
char *fbdevDevicePath = NULL;
|
|
|
|
Bool
|
|
fbdevInitialize (KdCardInfo *card, FbdevPriv *priv)
|
|
{
|
|
int k;
|
|
unsigned long off;
|
|
|
|
if (fbdevDevicePath == NULL)
|
|
fbdevDevicePath = "/dev/fb0";
|
|
|
|
if ((priv->fd = open(fbdevDevicePath, O_RDWR)) < 0)
|
|
{
|
|
ErrorF("Error opening framebuffer %s: %s\n",
|
|
fbdevDevicePath, strerror(errno));
|
|
return FALSE;
|
|
}
|
|
|
|
/* quiet valgrind */
|
|
memset (&priv->fix, '\0', sizeof (priv->fix));
|
|
if ((k=ioctl(priv->fd, FBIOGET_FSCREENINFO, &priv->fix)) < 0) {
|
|
perror("Error with /dev/fb ioctl FIOGET_FSCREENINFO");
|
|
close (priv->fd);
|
|
return FALSE;
|
|
}
|
|
/* quiet valgrind */
|
|
memset (&priv->var, '\0', sizeof (priv->var));
|
|
if ((k=ioctl(priv->fd, FBIOGET_VSCREENINFO, &priv->var)) < 0) {
|
|
perror("Error with /dev/fb ioctl FIOGET_VSCREENINFO");
|
|
close (priv->fd);
|
|
return FALSE;
|
|
}
|
|
|
|
priv->fb_base = (char *) mmap ((caddr_t) NULL,
|
|
priv->fix.smem_len,
|
|
PROT_READ|PROT_WRITE,
|
|
MAP_SHARED,
|
|
priv->fd, 0);
|
|
|
|
if (priv->fb_base == (char *)-1)
|
|
{
|
|
perror("ERROR: mmap framebuffer fails!");
|
|
close (priv->fd);
|
|
return FALSE;
|
|
}
|
|
off = (unsigned long) priv->fix.smem_start % (unsigned long) getpagesize();
|
|
priv->fb = priv->fb_base + off;
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
fbdevCardInit (KdCardInfo *card)
|
|
{
|
|
FbdevPriv *priv;
|
|
|
|
priv = (FbdevPriv *) xalloc (sizeof (FbdevPriv));
|
|
if (!priv)
|
|
return FALSE;
|
|
|
|
if (!fbdevInitialize (card, priv))
|
|
{
|
|
xfree (priv);
|
|
return FALSE;
|
|
}
|
|
card->driver = priv;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#define FBDEV_KLUDGE_FORMAT
|
|
#ifdef FBDEV_KLUDGE_FORMAT
|
|
static Pixel
|
|
fbdevMakeContig (Pixel orig, Pixel others)
|
|
{
|
|
Pixel low;
|
|
|
|
low = lowbit (orig) >> 1;
|
|
while (low && (others & low) == 0)
|
|
{
|
|
orig |= low;
|
|
low >>= 1;
|
|
}
|
|
return orig;
|
|
}
|
|
#endif
|
|
|
|
static Bool
|
|
fbdevModeSupported (KdScreenInfo *screen,
|
|
const KdMonitorTiming *t)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
fbdevConvertMonitorTiming (const KdMonitorTiming *t, struct fb_var_screeninfo *var)
|
|
{
|
|
memset (var, 0, sizeof (struct fb_var_screeninfo));
|
|
|
|
var->xres = t->horizontal;
|
|
var->yres = t->vertical;
|
|
var->xres_virtual = t->horizontal;
|
|
var->yres_virtual = t->vertical;
|
|
var->xoffset = 0;
|
|
var->yoffset = 0;
|
|
var->pixclock = t->clock ? 1000000000 / t->clock : 0;
|
|
var->left_margin = t->hbp;
|
|
var->right_margin = t->hfp;
|
|
var->upper_margin = t->vbp;
|
|
var->lower_margin = t->vfp;
|
|
var->hsync_len = t->hblank - t->hfp - t->hbp;
|
|
var->vsync_len = t->vblank - t->vfp - t->vbp;
|
|
|
|
var->sync = 0;
|
|
var->vmode = 0;
|
|
|
|
if (t->hpol == KdSyncPositive)
|
|
var->sync |= FB_SYNC_HOR_HIGH_ACT;
|
|
if (t->vpol == KdSyncPositive)
|
|
var->sync |= FB_SYNC_VERT_HIGH_ACT;
|
|
}
|
|
|
|
Bool
|
|
fbdevScreenInitialize (KdScreenInfo *screen, FbdevScrPriv *scrpriv)
|
|
{
|
|
FbdevPriv *priv = screen->card->driver;
|
|
Pixel allbits;
|
|
int depth;
|
|
Bool gray;
|
|
struct fb_var_screeninfo var;
|
|
const KdMonitorTiming *t;
|
|
int k;
|
|
|
|
k = ioctl (priv->fd, FBIOGET_VSCREENINFO, &var);
|
|
|
|
if (!screen->width || !screen->height)
|
|
{
|
|
if (k >= 0)
|
|
{
|
|
screen->width = var.xres;
|
|
screen->height = var.yres;
|
|
}
|
|
else
|
|
{
|
|
screen->width = 1024;
|
|
screen->height = 768;
|
|
}
|
|
screen->rate = 103; /* FIXME: should get proper value from fb driver */
|
|
}
|
|
if (!screen->fb[0].depth)
|
|
screen->fb[0].depth = 16;
|
|
|
|
t = KdFindMode (screen, fbdevModeSupported);
|
|
screen->rate = t->rate;
|
|
screen->width = t->horizontal;
|
|
screen->height = t->vertical;
|
|
|
|
/* Now try setting the mode */
|
|
if (k < 0 || (t->horizontal != var.xres || t->vertical != var.yres))
|
|
fbdevConvertMonitorTiming (t, &var);
|
|
|
|
var.activate = FB_ACTIVATE_NOW;
|
|
var.bits_per_pixel = screen->fb[0].depth;
|
|
var.nonstd = 0;
|
|
var.grayscale = 0;
|
|
|
|
k = ioctl (priv->fd, FBIOPUT_VSCREENINFO, &var);
|
|
|
|
if (k < 0)
|
|
{
|
|
fprintf (stderr, "error: %s\n", strerror (errno));
|
|
return FALSE;
|
|
}
|
|
|
|
/* Re-get the "fixed" parameters since they might have changed */
|
|
k = ioctl (priv->fd, FBIOGET_FSCREENINFO, &priv->fix);
|
|
if (k < 0)
|
|
perror ("FBIOGET_FSCREENINFO");
|
|
|
|
/* Now get the new screeninfo */
|
|
ioctl (priv->fd, FBIOGET_VSCREENINFO, &priv->var);
|
|
depth = priv->var.bits_per_pixel;
|
|
gray = priv->var.grayscale;
|
|
|
|
switch (priv->fix.visual) {
|
|
case FB_VISUAL_PSEUDOCOLOR:
|
|
if (gray)
|
|
{
|
|
screen->fb[0].visuals = (1 << StaticGray);
|
|
/* could also support GrayScale, but what's the point? */
|
|
}
|
|
else
|
|
{
|
|
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 FB_VISUAL_STATIC_PSEUDOCOLOR:
|
|
if (gray)
|
|
{
|
|
screen->fb[0].visuals = (1 << StaticGray);
|
|
}
|
|
else
|
|
{
|
|
screen->fb[0].visuals = (1 << StaticColor);
|
|
}
|
|
screen->fb[0].blueMask = 0x00;
|
|
screen->fb[0].greenMask = 0x00;
|
|
screen->fb[0].redMask = 0x00;
|
|
break;
|
|
case FB_VISUAL_TRUECOLOR:
|
|
case FB_VISUAL_DIRECTCOLOR:
|
|
screen->fb[0].visuals = (1 << TrueColor);
|
|
#define Mask(o,l) (((1 << l) - 1) << o)
|
|
screen->fb[0].redMask = Mask (priv->var.red.offset, priv->var.red.length);
|
|
screen->fb[0].greenMask = Mask (priv->var.green.offset, priv->var.green.length);
|
|
screen->fb[0].blueMask = Mask (priv->var.blue.offset, priv->var.blue.length);
|
|
#ifdef FBDEV_KLUDGE_FORMAT
|
|
/*
|
|
* This is a kludge so that Render will work -- fill in the gaps
|
|
* in the pixel
|
|
*/
|
|
screen->fb[0].redMask = fbdevMakeContig (screen->fb[0].redMask,
|
|
screen->fb[0].greenMask|
|
|
screen->fb[0].blueMask);
|
|
|
|
screen->fb[0].greenMask = fbdevMakeContig (screen->fb[0].greenMask,
|
|
screen->fb[0].redMask|
|
|
screen->fb[0].blueMask);
|
|
|
|
screen->fb[0].blueMask = fbdevMakeContig (screen->fb[0].blueMask,
|
|
screen->fb[0].redMask|
|
|
screen->fb[0].greenMask);
|
|
|
|
#endif
|
|
allbits = screen->fb[0].redMask | screen->fb[0].greenMask | screen->fb[0].blueMask;
|
|
depth = 32;
|
|
while (depth && !(allbits & (1 << (depth - 1))))
|
|
depth--;
|
|
break;
|
|
default:
|
|
return FALSE;
|
|
break;
|
|
}
|
|
screen->fb[0].depth = depth;
|
|
screen->fb[0].bitsPerPixel = priv->var.bits_per_pixel;
|
|
|
|
scrpriv->randr = screen->randr;
|
|
|
|
return fbdevMapFramebuffer (screen);
|
|
}
|
|
|
|
Bool
|
|
fbdevScreenInit (KdScreenInfo *screen)
|
|
{
|
|
FbdevScrPriv *scrpriv;
|
|
|
|
scrpriv = xalloc (sizeof (FbdevScrPriv));
|
|
if (!scrpriv)
|
|
return FALSE;
|
|
memset (scrpriv, '\0', sizeof (FbdevScrPriv));
|
|
screen->driver = scrpriv;
|
|
if (!fbdevScreenInitialize (screen, scrpriv))
|
|
{
|
|
screen->driver = 0;
|
|
xfree (scrpriv);
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
void *
|
|
fbdevWindowLinear (ScreenPtr pScreen,
|
|
CARD32 row,
|
|
CARD32 offset,
|
|
int mode,
|
|
CARD32 *size,
|
|
void *closure)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
FbdevPriv *priv = pScreenPriv->card->driver;
|
|
|
|
if (!pScreenPriv->enabled)
|
|
return 0;
|
|
*size = priv->fix.line_length;
|
|
return (CARD8 *) priv->fb + row * priv->fix.line_length + offset;
|
|
}
|
|
|
|
Bool
|
|
fbdevMapFramebuffer (KdScreenInfo *screen)
|
|
{
|
|
FbdevScrPriv *scrpriv = screen->driver;
|
|
KdPointerMatrix m;
|
|
FbdevPriv *priv = screen->card->driver;
|
|
|
|
if (scrpriv->randr != RR_Rotate_0)
|
|
scrpriv->shadow = TRUE;
|
|
else
|
|
scrpriv->shadow = FALSE;
|
|
|
|
KdComputePointerMatrix (&m, scrpriv->randr, screen->width, screen->height);
|
|
|
|
KdSetPointerMatrix (&m);
|
|
|
|
screen->width = priv->var.xres;
|
|
screen->height = priv->var.yres;
|
|
screen->memory_base = (CARD8 *) (priv->fb);
|
|
screen->memory_size = priv->fix.smem_len;
|
|
|
|
if (scrpriv->shadow)
|
|
{
|
|
if (!KdShadowFbAlloc (screen, 0,
|
|
scrpriv->randr & (RR_Rotate_90|RR_Rotate_270)))
|
|
return FALSE;
|
|
screen->off_screen_base = screen->memory_size;
|
|
}
|
|
else
|
|
{
|
|
screen->fb[0].byteStride = priv->fix.line_length;
|
|
screen->fb[0].pixelStride = (priv->fix.line_length * 8 /
|
|
priv->var.bits_per_pixel);
|
|
screen->fb[0].frameBuffer = (CARD8 *) (priv->fb);
|
|
screen->off_screen_base = screen->fb[0].byteStride * screen->height;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
fbdevSetScreenSizes (ScreenPtr pScreen)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
KdScreenInfo *screen = pScreenPriv->screen;
|
|
FbdevScrPriv *scrpriv = screen->driver;
|
|
FbdevPriv *priv = screen->card->driver;
|
|
|
|
if (scrpriv->randr & (RR_Rotate_0|RR_Rotate_180))
|
|
{
|
|
pScreen->width = priv->var.xres;
|
|
pScreen->height = priv->var.yres;
|
|
pScreen->mmWidth = screen->width_mm;
|
|
pScreen->mmHeight = screen->height_mm;
|
|
}
|
|
else
|
|
{
|
|
pScreen->width = priv->var.yres;
|
|
pScreen->height = priv->var.xres;
|
|
pScreen->mmWidth = screen->height_mm;
|
|
pScreen->mmHeight = screen->width_mm;
|
|
}
|
|
}
|
|
|
|
Bool
|
|
fbdevUnmapFramebuffer (KdScreenInfo *screen)
|
|
{
|
|
KdShadowFbFree (screen, 0);
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
fbdevSetShadow (ScreenPtr pScreen)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
KdScreenInfo *screen = pScreenPriv->screen;
|
|
FbdevScrPriv *scrpriv = screen->driver;
|
|
FbdevPriv *priv = screen->card->driver;
|
|
ShadowUpdateProc update;
|
|
ShadowWindowProc window;
|
|
int useYX = 0;
|
|
|
|
#ifdef __arm__
|
|
/* Use variant copy routines that always read left to right in the
|
|
shadow framebuffer. Reading vertical strips is exceptionally
|
|
slow on XScale due to cache effects. */
|
|
useYX = 1;
|
|
#endif
|
|
|
|
window = fbdevWindowLinear;
|
|
update = 0;
|
|
if (scrpriv->randr)
|
|
if (priv->var.bits_per_pixel == 16) {
|
|
switch (scrpriv->randr) {
|
|
case RR_Rotate_90:
|
|
if (useYX)
|
|
update = shadowUpdateRotate16_90YX;
|
|
else
|
|
update = shadowUpdateRotate16_90;
|
|
break;
|
|
case RR_Rotate_180:
|
|
update = shadowUpdateRotate16_180;
|
|
break;
|
|
case RR_Rotate_270:
|
|
if (useYX)
|
|
update = shadowUpdateRotate16_270YX;
|
|
else
|
|
update = shadowUpdateRotate16_270;
|
|
break;
|
|
default:
|
|
update = shadowUpdateRotate16;
|
|
break;
|
|
}
|
|
} else
|
|
update = shadowUpdateRotatePacked;
|
|
else
|
|
update = shadowUpdatePacked;
|
|
return KdShadowSet (pScreen, scrpriv->randr, update, window);
|
|
}
|
|
|
|
|
|
#ifdef RANDR
|
|
Bool
|
|
fbdevRandRGetInfo (ScreenPtr pScreen, Rotation *rotations)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
KdScreenInfo *screen = pScreenPriv->screen;
|
|
FbdevScrPriv *scrpriv = screen->driver;
|
|
RRScreenSizePtr pSize;
|
|
Rotation randr;
|
|
int n;
|
|
|
|
*rotations = RR_Rotate_All|RR_Reflect_All;
|
|
|
|
for (n = 0; n < pScreen->numDepths; n++)
|
|
if (pScreen->allowedDepths[n].numVids)
|
|
break;
|
|
if (n == pScreen->numDepths)
|
|
return FALSE;
|
|
|
|
pSize = RRRegisterSize (pScreen,
|
|
screen->width,
|
|
screen->height,
|
|
screen->width_mm,
|
|
screen->height_mm);
|
|
|
|
randr = KdSubRotation (scrpriv->randr, screen->randr);
|
|
|
|
RRSetCurrentConfig (pScreen, randr, 0, pSize);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
fbdevRandRSetConfig (ScreenPtr pScreen,
|
|
Rotation randr,
|
|
int rate,
|
|
RRScreenSizePtr pSize)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
KdScreenInfo *screen = pScreenPriv->screen;
|
|
FbdevScrPriv *scrpriv = screen->driver;
|
|
Bool wasEnabled = pScreenPriv->enabled;
|
|
FbdevScrPriv 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;
|
|
}
|
|
|
|
if (wasEnabled)
|
|
KdDisableScreen (pScreen);
|
|
|
|
oldscr = *scrpriv;
|
|
|
|
oldwidth = screen->width;
|
|
oldheight = screen->height;
|
|
oldmmwidth = pScreen->mmWidth;
|
|
oldmmheight = pScreen->mmHeight;
|
|
|
|
/*
|
|
* Set new configuration
|
|
*/
|
|
|
|
scrpriv->randr = KdAddRotation (screen->randr, randr);
|
|
|
|
KdOffscreenSwapOut (screen->pScreen);
|
|
|
|
fbdevUnmapFramebuffer (screen);
|
|
|
|
if (!fbdevMapFramebuffer (screen))
|
|
goto bail4;
|
|
|
|
KdShadowUnset (screen->pScreen);
|
|
|
|
if (!fbdevSetShadow (screen->pScreen))
|
|
goto bail4;
|
|
|
|
fbdevSetScreenSizes (screen->pScreen);
|
|
|
|
/*
|
|
* 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, scrpriv->randr);
|
|
if (wasEnabled)
|
|
KdEnableScreen (pScreen);
|
|
|
|
return TRUE;
|
|
|
|
bail4:
|
|
fbdevUnmapFramebuffer (screen);
|
|
*scrpriv = oldscr;
|
|
(void) fbdevMapFramebuffer (screen);
|
|
pScreen->width = oldwidth;
|
|
pScreen->height = oldheight;
|
|
pScreen->mmWidth = oldmmwidth;
|
|
pScreen->mmHeight = oldmmheight;
|
|
|
|
if (wasEnabled)
|
|
KdEnableScreen (pScreen);
|
|
return FALSE;
|
|
}
|
|
|
|
Bool
|
|
fbdevRandRInit (ScreenPtr pScreen)
|
|
{
|
|
rrScrPrivPtr pScrPriv;
|
|
|
|
if (!RRScreenInit (pScreen))
|
|
return FALSE;
|
|
|
|
pScrPriv = rrGetScrPriv(pScreen);
|
|
pScrPriv->rrGetInfo = fbdevRandRGetInfo;
|
|
pScrPriv->rrSetConfig = fbdevRandRSetConfig;
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
Bool
|
|
fbdevCreateColormap (ColormapPtr pmap)
|
|
{
|
|
ScreenPtr pScreen = pmap->pScreen;
|
|
KdScreenPriv(pScreen);
|
|
FbdevPriv *priv = pScreenPriv->card->driver;
|
|
VisualPtr pVisual;
|
|
int i;
|
|
int nent;
|
|
xColorItem *pdefs;
|
|
|
|
switch (priv->fix.visual) {
|
|
case FB_VISUAL_STATIC_PSEUDOCOLOR:
|
|
pVisual = pmap->pVisual;
|
|
nent = pVisual->ColormapEntries;
|
|
pdefs = xalloc (nent * sizeof (xColorItem));
|
|
if (!pdefs)
|
|
return FALSE;
|
|
for (i = 0; i < nent; i++)
|
|
pdefs[i].pixel = i;
|
|
fbdevGetColors (pScreen, 0, nent, pdefs);
|
|
for (i = 0; i < nent; i++)
|
|
{
|
|
pmap->red[i].co.local.red = pdefs[i].red;
|
|
pmap->red[i].co.local.green = pdefs[i].green;
|
|
pmap->red[i].co.local.blue = pdefs[i].blue;
|
|
}
|
|
xfree (pdefs);
|
|
return TRUE;
|
|
default:
|
|
return fbInitializeColormap (pmap);
|
|
}
|
|
}
|
|
|
|
Bool
|
|
fbdevInitScreen (ScreenPtr pScreen)
|
|
{
|
|
#ifdef TOUCHSCREEN
|
|
KdTsPhyScreen = pScreen->myNum;
|
|
#endif
|
|
|
|
pScreen->CreateColormap = fbdevCreateColormap;
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
fbdevFinishInitScreen (ScreenPtr pScreen)
|
|
{
|
|
if (!shadowSetup (pScreen))
|
|
return FALSE;
|
|
|
|
#ifdef RANDR
|
|
if (!fbdevRandRInit (pScreen))
|
|
return FALSE;
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
Bool
|
|
fbdevCreateResources (ScreenPtr pScreen)
|
|
{
|
|
return fbdevSetShadow (pScreen);
|
|
}
|
|
|
|
void
|
|
fbdevPreserve (KdCardInfo *card)
|
|
{
|
|
}
|
|
|
|
Bool
|
|
fbdevEnable (ScreenPtr pScreen)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
FbdevPriv *priv = pScreenPriv->card->driver;
|
|
int k;
|
|
|
|
priv->var.activate = FB_ACTIVATE_NOW|FB_CHANGE_CMAP_VBL;
|
|
|
|
/* display it on the LCD */
|
|
k = ioctl (priv->fd, FBIOPUT_VSCREENINFO, &priv->var);
|
|
if (k < 0)
|
|
{
|
|
perror ("FBIOPUT_VSCREENINFO");
|
|
return FALSE;
|
|
}
|
|
|
|
if (priv->fix.visual == FB_VISUAL_DIRECTCOLOR)
|
|
{
|
|
struct fb_cmap cmap;
|
|
int i;
|
|
|
|
for (i = 0;
|
|
i < (1 << priv->var.red.length) ||
|
|
i < (1 << priv->var.green.length) ||
|
|
i < (1 << priv->var.blue.length); i++)
|
|
{
|
|
priv->red[i] = i * 65535 / ((1 << priv->var.red.length) - 1);
|
|
priv->green[i] = i * 65535 / ((1 << priv->var.green.length) - 1);
|
|
priv->blue[i] = i * 65535 / ((1 << priv->var.blue.length) - 1);
|
|
}
|
|
cmap.start = 0;
|
|
cmap.len = i;
|
|
cmap.red = &priv->red[0];
|
|
cmap.green = &priv->green[0];
|
|
cmap.blue = &priv->blue[0];
|
|
cmap.transp = 0;
|
|
ioctl (priv->fd, FBIOPUTCMAP, &cmap);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
fbdevDPMS (ScreenPtr pScreen, int mode)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
FbdevPriv *priv = pScreenPriv->card->driver;
|
|
static int oldmode = -1;
|
|
|
|
if (mode == oldmode)
|
|
return TRUE;
|
|
#ifdef FBIOPUT_POWERMODE
|
|
if (ioctl (priv->fd, FBIOPUT_POWERMODE, &mode) >= 0)
|
|
{
|
|
oldmode = mode;
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
#ifdef FBIOBLANK
|
|
if (ioctl (priv->fd, FBIOBLANK, mode ? mode + 1 : 0) >= 0)
|
|
{
|
|
oldmode = mode;
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
return FALSE;
|
|
}
|
|
|
|
void
|
|
fbdevDisable (ScreenPtr pScreen)
|
|
{
|
|
}
|
|
|
|
void
|
|
fbdevRestore (KdCardInfo *card)
|
|
{
|
|
}
|
|
|
|
void
|
|
fbdevScreenFini (KdScreenInfo *screen)
|
|
{
|
|
}
|
|
|
|
void
|
|
fbdevCardFini (KdCardInfo *card)
|
|
{
|
|
FbdevPriv *priv = card->driver;
|
|
|
|
munmap (priv->fb_base, priv->fix.smem_len);
|
|
close (priv->fd);
|
|
xfree (priv);
|
|
}
|
|
|
|
void
|
|
fbdevGetColors (ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
FbdevPriv *priv = pScreenPriv->card->driver;
|
|
struct fb_cmap cmap;
|
|
int p;
|
|
int k;
|
|
int min, max;
|
|
|
|
min = 256;
|
|
max = 0;
|
|
for (k = 0; k < n; k++)
|
|
{
|
|
if (pdefs[k].pixel < min)
|
|
min = pdefs[k].pixel;
|
|
if (pdefs[k].pixel > max)
|
|
max = pdefs[k].pixel;
|
|
}
|
|
cmap.start = min;
|
|
cmap.len = max - min + 1;
|
|
cmap.red = &priv->red[min];
|
|
cmap.green = &priv->green[min];;
|
|
cmap.blue = &priv->blue[min];
|
|
cmap.transp = 0;
|
|
k = ioctl (priv->fd, FBIOGETCMAP, &cmap);
|
|
if (k < 0)
|
|
{
|
|
perror ("can't get colormap");
|
|
return;
|
|
}
|
|
while (n--)
|
|
{
|
|
p = pdefs->pixel;
|
|
pdefs->red = priv->red[p];
|
|
pdefs->green = priv->green[p];
|
|
pdefs->blue = priv->blue[p];
|
|
pdefs++;
|
|
}
|
|
}
|
|
|
|
void
|
|
fbdevPutColors (ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
FbdevPriv *priv = pScreenPriv->card->driver;
|
|
struct fb_cmap cmap;
|
|
int p;
|
|
int min, max;
|
|
|
|
min = 256;
|
|
max = 0;
|
|
while (n--)
|
|
{
|
|
p = pdefs->pixel;
|
|
priv->red[p] = pdefs->red;
|
|
priv->green[p] = pdefs->green;
|
|
priv->blue[p] = pdefs->blue;
|
|
if (p < min)
|
|
min = p;
|
|
if (p > max)
|
|
max = p;
|
|
pdefs++;
|
|
}
|
|
cmap.start = min;
|
|
cmap.len = max - min + 1;
|
|
cmap.red = &priv->red[min];
|
|
cmap.green = &priv->green[min];
|
|
cmap.blue = &priv->blue[min];
|
|
cmap.transp = 0;
|
|
ioctl (priv->fd, FBIOPUTCMAP, &cmap);
|
|
}
|