diff options
Diffstat (limited to 'hw/kdrive/fbdev/fbdev.c')
| -rw-r--r-- | hw/kdrive/fbdev/fbdev.c | 82 |
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; |