int
pcdisplay_match(struct device *parent, void *match, void *aux)
{
struct isa_attach_args *ia = aux;
int mono;
/* If values are hardwired to something that they can't be, punt. */
if ((ia->ia_iobase != IOBASEUNK &&
ia->ia_iobase != 0x3d0 &&
ia->ia_iobase != 0x3b0) ||
/* ia->ia_iosize != 0 || XXX isa.c */
(ia->ia_maddr != MADDRUNK &&
ia->ia_maddr != 0xb8000 &&
ia->ia_maddr != 0xb0000) ||
(ia->ia_msize != 0 && ia->ia_msize != 0x8000) ||
ia->ia_irq != IRQUNK || ia->ia_drq != DRQUNK)
return (0);
if (pcdisplay_is_console(ia->ia_iot))
mono = pcdisplay_console_dc.mono;
else if (ia->ia_iobase != 0x3b0 && ia->ia_maddr != 0xb0000 &&
pcdisplay_probe_col(ia->ia_iot, ia->ia_memt))
mono = 0;
else if (ia->ia_iobase != 0x3d0 && ia->ia_maddr != 0xb8000 &&
pcdisplay_probe_mono(ia->ia_iot, ia->ia_memt))
mono = 1;
else
return (0);
ia->ia_iobase = mono ? 0x3b0 : 0x3d0;
ia->ia_iosize = 0x10;
ia->ia_maddr = mono ? 0xb0000 : 0xb8000;
ia->ia_msize = 0x8000;
return (1);
}
int
pcdisplay_match(device_t parent, cfdata_t match, void *aux)
{
struct isa_attach_args *ia = aux;
int mono;
if (ISA_DIRECT_CONFIG(ia))
return (0);
/* If values are hardwired to something that they can't be, punt. */
if (ia->ia_nio < 1 ||
(ia->ia_io[0].ir_addr != ISA_UNKNOWN_PORT &&
ia->ia_io[0].ir_addr != 0x3d0 &&
ia->ia_io[0].ir_addr != 0x3b0))
return (0);
if (ia->ia_niomem < 1 ||
(ia->ia_iomem[0].ir_addr != ISA_UNKNOWN_IOMEM &&
ia->ia_iomem[0].ir_addr != 0xb8000 &&
ia->ia_iomem[0].ir_addr != 0xb0000))
return (0);
if (ia->ia_iomem[0].ir_size != 0 &&
ia->ia_iomem[0].ir_size != 0x8000)
return (0);
if (ia->ia_nirq > 0 &&
ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ)
return (0);
if (ia->ia_ndrq > 0 &&
ia->ia_drq[0].ir_drq != ISA_UNKNOWN_DRQ)
return (0);
if (pcdisplay_is_console(ia->ia_iot))
mono = pcdisplay_console_dc.mono;
else if (ia->ia_io[0].ir_addr != 0x3b0 &&
ia->ia_iomem[0].ir_addr != 0xb0000 &&
pcdisplay_probe_col(ia->ia_iot, ia->ia_memt))
mono = 0;
else if (ia->ia_io[0].ir_addr != 0x3d0 &&
ia->ia_iomem[0].ir_addr != 0xb8000 &&
pcdisplay_probe_mono(ia->ia_iot, ia->ia_memt))
mono = 1;
else
return (0);
ia->ia_nio = 1;
ia->ia_io[0].ir_addr = mono ? 0x3b0 : 0x3d0;
ia->ia_io[0].ir_size = 0x10;
ia->ia_niomem = 1;
ia->ia_iomem[0].ir_size = mono ? 0xb0000 : 0xb8000;
ia->ia_iomem[0].ir_size = 0x8000;
ia->ia_nirq = 0;
ia->ia_ndrq = 0;
return (1);
}
void
pcdisplay_attach(device_t parent, device_t self, void *aux)
{
struct isa_attach_args *ia = aux;
struct pcdisplay_softc *sc = device_private(self);
int console;
struct pcdisplay_config *dc;
struct wsemuldisplaydev_attach_args aa;
printf("\n");
console = pcdisplay_is_console(ia->ia_iot);
if (console) {
dc = &pcdisplay_console_dc;
sc->nscreens = 1;
pcdisplay_console_attached = 1;
} else {
dc = malloc(sizeof(struct pcdisplay_config),
M_DEVBUF, M_WAITOK);
if (ia->ia_io[0].ir_addr != 0x3b0 &&
ia->ia_iomem[0].ir_addr != 0xb0000 &&
pcdisplay_probe_col(ia->ia_iot, ia->ia_memt))
pcdisplay_init(dc, ia->ia_iot, ia->ia_memt, 0);
else if (ia->ia_io[0].ir_addr != 0x3d0 &&
ia->ia_iomem[0].ir_addr != 0xb8000 &&
pcdisplay_probe_mono(ia->ia_iot, ia->ia_memt))
pcdisplay_init(dc, ia->ia_iot, ia->ia_memt, 1);
else
panic("pcdisplay_attach: display disappeared");
}
sc->sc_dc = dc;
#if NPCWEASEL > 0
/*
* If the display is monochrome, check to see if we have
* a PC-Weasel, and initialize its special features.
*/
if (dc->mono) {
sc->sc_weasel.wh_st = dc->dc_ph.ph_memt;
sc->sc_weasel.wh_sh = dc->dc_ph.ph_memh;
sc->sc_weasel.wh_parent = self;
weasel_isa_init(&sc->sc_weasel);
}
#endif /* NPCWEASEL > 0 */
aa.console = console;
aa.scrdata = &pcdisplay_screenlist;
aa.accessops = &pcdisplay_accessops;
aa.accesscookie = sc;
config_found(self, &aa, wsemuldisplaydevprint);
}
void
pcdisplay_attach(struct device *parent, struct device *self, void *aux)
{
struct isa_attach_args *ia = aux;
struct pcdisplay_softc *sc = (struct pcdisplay_softc *)self;
int console;
struct pcdisplay_config *dc;
struct wsemuldisplaydev_attach_args aa;
printf("\n");
console = pcdisplay_is_console(ia->ia_iot);
if (console) {
dc = &pcdisplay_console_dc;
sc->nscreens = 1;
pcdisplay_console_attached = 1;
} else {
dc = malloc(sizeof(struct pcdisplay_config),
M_DEVBUF, M_WAITOK);
if (ia->ia_iobase != 0x3b0 && ia->ia_maddr != 0xb0000 &&
pcdisplay_probe_col(ia->ia_iot, ia->ia_memt))
pcdisplay_init(dc, ia->ia_iot, ia->ia_memt, 0);
else if (ia->ia_iobase != 0x3d0 && ia->ia_maddr != 0xb8000 &&
pcdisplay_probe_mono(ia->ia_iot, ia->ia_memt))
pcdisplay_init(dc, ia->ia_iot, ia->ia_memt, 1);
else
panic("pcdisplay_attach: display disappeared");
}
sc->sc_dc = dc;
aa.console = console;
aa.scrdata = &pcdisplay_screenlist;
aa.accessops = &pcdisplay_accessops;
aa.accesscookie = sc;
aa.defaultscreens = 0;
config_found(self, &aa, wsemuldisplaydevprint);
}
