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path: root/hw/kdrive/fbdev/fbdev.c
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Diffstat (limited to 'hw/kdrive/fbdev/fbdev.c')
-rw-r--r--hw/kdrive/fbdev/fbdev.c82
1 files changed, 79 insertions, 3 deletions
diff --git a/hw/kdrive/fbdev/fbdev.c b/hw/kdrive/fbdev/fbdev.c
index 3d655f689..6a249f5b7 100644
--- a/hw/kdrive/fbdev/fbdev.c
+++ b/hw/kdrive/fbdev/fbdev.c
@@ -29,6 +29,8 @@
#include "fbdev.h"
#include <sys/ioctl.h>
+#include <errno.h>
+
extern int KdTsPhyScreen;
Bool
@@ -108,6 +110,45 @@ fbdevMakeContig (Pixel orig, Pixel others)
}
#endif
+static Bool
+fbdevModeSupported (KdScreenInfo *screen,
+ const KdMonitorTiming *t)
+{
+ /* XXX: Remove this */
+ if (t->rate > 75)
+ return FALSE;
+
+ 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)
{
@@ -115,7 +156,42 @@ fbdevScreenInitialize (KdScreenInfo *screen, FbdevScrPriv *scrpriv)
Pixel allbits;
int depth;
Bool gray;
+ struct fb_var_screeninfo var;
+ const KdMonitorTiming *t;
+ int k;
+
+ if (!screen->width || !screen->height)
+ {
+ screen->width = 1024;
+ screen->height = 768;
+ screen->rate = 72;
+ }
+ 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 */
+ 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;
+ }
+
+ /* Now get the new screeninfo */
+ ioctl (priv->fd, FBIOGET_VSCREENINFO, &priv->var);
depth = priv->var.bits_per_pixel;
gray = priv->var.grayscale;
@@ -188,9 +264,9 @@ fbdevScreenInitialize (KdScreenInfo *screen, FbdevScrPriv *scrpriv)
}
screen->fb[0].depth = depth;
screen->fb[0].bitsPerPixel = priv->var.bits_per_pixel;
- screen->rate = 72;
+
scrpriv->randr = screen->randr;
-
+
return fbdevMapFramebuffer (screen);
}
@@ -544,7 +620,7 @@ fbdevEnable (ScreenPtr pScreen)
perror ("FBIOPUT_VSCREENINFO");
return FALSE;
}
-
+
if (priv->fix.visual == FB_VISUAL_DIRECTCOLOR)
{
struct fb_cmap cmap;