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Make ofwfb actually work again. Apparently the API it was written against

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still exists but is now silently ignored by the VT core. At least xboxfb
needs similar changes.
This commit is contained in:
Nathan Whitehorn 2014-05-11 01:19:55 +00:00
parent 6af0d51bce
commit bdf49e3953
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=265862
1 changed files with 33 additions and 4 deletions
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37
sys/dev/vt/hw/ofwfb/ofwfb.c
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@ -58,22 +58,48 @@ struct ofwfb_softc {
uint32_t sc_colormap[16];
};
static vd_probe_t ofwfb_probe;
static vd_init_t ofwfb_init;
static vd_blank_t ofwfb_blank;
static vd_bitbltchr_t ofwfb_bitbltchr;
static const struct vt_driver vt_ofwfb_driver = {
.vd_name = "ofwfb",
.vd_probe = ofwfb_probe,
.vd_init = ofwfb_init,
.vd_blank = ofwfb_blank,
.vd_bitbltchr = ofwfb_bitbltchr,
.vd_maskbitbltchr = ofwfb_bitbltchr,
.vd_priority = VD_PRIORITY_GENERIC+1,
};
static struct ofwfb_softc ofwfb_conssoftc;
VT_CONSDEV_DECLARE(vt_ofwfb_driver, PIXEL_WIDTH(1920), PIXEL_HEIGHT(1200),
&ofwfb_conssoftc);
/* XXX: hardcoded max size */
VT_DRIVER_DECLARE(vt_ofwfb, vt_ofwfb_driver);
static int
ofwfb_probe(struct vt_device *vd)
{
phandle_t chosen, node;
ihandle_t stdout;
char type[64];
chosen = OF_finddevice("/chosen");
OF_getprop(chosen, "stdout", &stdout, sizeof(stdout));
node = OF_instance_to_package(stdout);
if (node == -1) {
/*
* The "/chosen/stdout" does not exist try
* using "screen" directly.
*/
node = OF_finddevice("screen");
}
OF_getprop(node, "device_type", type, sizeof(type));
if (strcmp(type, "display") != 0)
return (CN_DEAD);
/* Looks OK... */
return (CN_INTERNAL);
}
static void
ofwfb_blank(struct vt_device *vd, term_color_t color)
@ -218,7 +244,7 @@ ofwfb_initialize(struct vt_device *vd)
static int
ofwfb_init(struct vt_device *vd)
{
struct ofwfb_softc *sc = vd->vd_softc;
struct ofwfb_softc *sc;
char type[64];
phandle_t chosen;
ihandle_t stdout;
@ -234,6 +260,9 @@ ofwfb_init(struct vt_device *vd)
int space;
#endif
/* Initialize softc */
vd->vd_softc = sc = &ofwfb_conssoftc;
chosen = OF_finddevice("/chosen");
OF_getprop(chosen, "stdout", &stdout, sizeof(stdout));
node = OF_instance_to_package(stdout);