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/* $OpenBSD: gfb.c,v 1.4 2022/07/15 17:57:26 kettenis Exp $ */
/*
* Copyright (c) 2009 Mark Kettenis.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/rasops/rasops.h>
#include <machine/fbvar.h>
struct gfb_softc {
struct sunfb sc_sunfb;
bus_space_tag_t sc_bt;
bus_space_handle_t sc_pixel_h;
int sc_console;
int sc_node;
u_int sc_mode;
};
int gfb_match(struct device *, void *, void *);
void gfb_attach(struct device *, struct device *, void *);
int gfb_ioctl(void *, u_long, caddr_t, int, struct proc *);
struct wsdisplay_accessops gfb_accessops = {
.ioctl = gfb_ioctl
};
struct cfdriver gfb_cd = {
NULL, "gfb", DV_DULL
};
const struct cfattach gfb_ca = {
sizeof(struct gfb_softc), gfb_match, gfb_attach
};
int
gfb_match(struct device *parent, void *match, void *aux)
{
struct mainbus_attach_args *ma = aux;
if (strcmp(ma->ma_name, "SUNW,gfb") == 0)
return (1);
return (0);
}
void
gfb_attach(struct device *parent, struct device *self, void *aux)
{
struct gfb_softc *sc = (struct gfb_softc *)self;
struct mainbus_attach_args *ma = aux;
extern int fbnode;
sc->sc_bt = ma->ma_bustag;
printf("\n");
if (bus_space_map(ma->ma_bustag, ma->ma_reg[6].ur_paddr,
ma->ma_reg[6].ur_len, BUS_SPACE_MAP_LINEAR, &sc->sc_pixel_h))
return;
sc->sc_console = (fbnode == ma->ma_node);
sc->sc_node = ma->ma_node;
fb_setsize(&sc->sc_sunfb, 32, 1152, 900, sc->sc_node, 0);
/* linesize has a fixed value, compensate */
sc->sc_sunfb.sf_linebytes = 16384;
sc->sc_sunfb.sf_fbsize = sc->sc_sunfb.sf_height * 16384;
sc->sc_sunfb.sf_ro.ri_bits = (void *)bus_space_vaddr(sc->sc_bt,
sc->sc_pixel_h);
sc->sc_sunfb.sf_ro.ri_hw = sc;
fbwscons_init(&sc->sc_sunfb, 0, sc->sc_console);
if (sc->sc_console)
fbwscons_console_init(&sc->sc_sunfb, -1);
fbwscons_attach(&sc->sc_sunfb, &gfb_accessops, sc->sc_console);
return;
}
int
gfb_ioctl(void *v, u_long cmd, caddr_t data, int flags, struct proc *p)
{
struct gfb_softc *sc = v;
struct wsdisplay_fbinfo *wdf;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_UNKNOWN;
break;
case WSDISPLAYIO_SMODE:
sc->sc_mode = *(u_int *)data;
break;
case WSDISPLAYIO_GINFO:
wdf = (void *)data;
wdf->height = sc->sc_sunfb.sf_height;
wdf->width = sc->sc_sunfb.sf_width;
wdf->depth = sc->sc_sunfb.sf_depth;
wdf->stride = sc->sc_sunfb.sf_linebytes;
wdf->offset = 0;
wdf->cmsize = 256;
break;
case WSDISPLAYIO_LINEBYTES:
*(u_int *)data = sc->sc_sunfb.sf_linebytes;
break;
#if 0
case WSDISPLAYIO_GETCMAP:
return gfb_getcmap(sc, (struct wsdisplay_cmap *)data);
case WSDISPLAYIO_PUTCMAP:
return gfb_putcmap(sc, (struct wsdisplay_cmap *)data);
#endif
case WSDISPLAYIO_SVIDEO:
case WSDISPLAYIO_GVIDEO:
break;
case WSDISPLAYIO_GCURPOS:
case WSDISPLAYIO_SCURPOS:
case WSDISPLAYIO_GCURMAX:
case WSDISPLAYIO_GCURSOR:
case WSDISPLAYIO_SCURSOR:
default:
return -1; /* not supported yet */
}
return (0);
}
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