int
gbox_reset(struct diofb *fb, int scode, struct diofbreg *fbr)
{
int rc;
u_int i;
/* XXX don't trust hardware, force defaults */
fb->fbwidth = 1024;
fb->fbheight = 1024;
fb->dwidth = 1024;
fb->dheight = 768;
if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0)
return (rc);
fb->bmv = gbox_windowmove;
gbox_restore(fb);
/*
* Find out how many colors are available by determining
* which planes are installed. That is, write all ones to
* a frame buffer location, see how many ones are read back.
*/
if (1 /* fb->planes == 0 */) {
volatile u_int8_t *fbp;
u_int8_t save;
fbp = (u_int8_t *)fb->fbkva;
save = *fbp;
*fbp = 0xff;
fb->planemask = *fbp;
*fbp = save;
for (fb->planes = 1; fb->planemask >= (1 << fb->planes);
fb->planes++);
if (fb->planes > 8)
fb->planes = 8;
fb->planemask = (1 << fb->planes) - 1;
}
diofb_fbsetup(fb);
for (i = 0; i <= fb->planemask; i++)
gbox_setcolor(fb, i);
return (0);
}
/*
* Initialize hardware and display routines.
*/
int
topcat_reset(struct diofb *fb, int scode, struct diofbreg *fbr)
{
volatile struct tcboxfb *tc = (struct tcboxfb *)fbr;
int rc;
u_int i;
if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0)
return (rc);
/*
* If we could not get a valid number of planes, determine it
* by writing to the first frame buffer display location,
* then reading it back.
*/
if (fb->planes == 0) {
volatile u_int8_t *fbp;
u_int8_t save;
fbp = (u_int8_t *)fb->fbkva;
tc->fben = ~0;
tc->wen = ~0;
tc->ren = ~0;
tc->prr = RR_COPY;
save = *fbp;
*fbp = 0xff;
fb->planemask = *fbp;
*fbp = save;
for (fb->planes = 1; fb->planemask >= (1 << fb->planes);
fb->planes++);
if (fb->planes > 8)
fb->planes = 8;
fb->planemask = (1 << fb->planes) - 1;
}
fb->bmv = topcat_windowmove;
topcat_restore(fb);
diofb_fbsetup(fb);
for (i = 0; i <= fb->planemask; i++)
topcat_setcolor(fb, i);
return (0);
}
/*
* Initialize hardware and display routines.
*/
int
hyper_reset(struct diofb *fb, int scode, struct diofbreg *fbr)
{
volatile struct hyboxfb *hy = (struct hyboxfb *)fbr;
int rc;
if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0)
return (rc);
fb->bmv = diofb_mono_windowmove;
fb->ri.ri_depth = 1; /* do not fake a 8bpp frame buffer */
diofb_fbsetup(fb);
/* enable display */
hy->nblank = DISP_VIDEO_ENABLE | DISP_SYNC_ENABLE;
return (0);
}
/*
* Initialize hardware and display routines.
*/
int
rbox_reset(struct diofb *fb, int scode, struct diofbreg *fbr)
{
int rc;
if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0)
return (rc);
/*
* Restrict the framebuffer to a monochrome view for now, until
* I know better how to detect and frob overlay planes, and
* setup a proper colormap. -- miod
*/
fb->planes = fb->planemask = 1;
fb->bmv = rbox_windowmove;
rbox_restore(fb);
diofb_fbsetup(fb);
return (0);
}
