/* $NetBSD: bwtwo.c,v 1.12 2003/12/04 12:42:54 keihan Exp $ */ /*- * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Lawrence Berkeley Laboratory. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)bwtwo.c 8.1 (Berkeley) 6/11/93 */ /* * black & white display (bwtwo) driver. * * Does not handle interrupts, even though they can occur. * * P4 and overlay plane support by Jason R. Thorpe . * Overlay plane handling hints and ideas provided by Brad Spencer. */ #include __KERNEL_RCSID(0, "$NetBSD: bwtwo.c,v 1.12 2003/12/04 12:42:54 keihan Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include extern struct cfdriver bwtwo_cd; dev_type_open(bwtwoopen); dev_type_ioctl(bwtwoioctl); dev_type_mmap(bwtwommap); const struct cdevsw bwtwo_cdevsw = { bwtwoopen, nullclose, noread, nowrite, bwtwoioctl, nostop, notty, nopoll, bwtwommap, nokqfilter, }; /* XXX we do not handle frame buffer interrupts (do not know how) */ static void bwtwounblank(struct device *); /* frame buffer generic driver */ static struct fbdriver bwtwofbdriver = { bwtwounblank, bwtwoopen, nullclose, bwtwoioctl, nopoll, bwtwommap, nokqfilter }; int bwtwo_pfour_probe(vaddr, arg) void *vaddr; void *arg; { struct cfdata *cf = arg; switch (fb_pfour_id(vaddr)) { case PFOUR_ID_BW: case PFOUR_ID_COLOR8P1: /* bwtwo in ... */ case PFOUR_ID_COLOR24: /* ...overlay plane */ /* This is wrong; should be done in bwtwo_attach() */ cf->cf_flags |= FB_PFOUR; /* FALLTHROUGH */ case PFOUR_NOTPFOUR: return (1); } return (0); } void bwtwoattach(sc, name, isconsole) struct bwtwo_softc *sc; char *name; int isconsole; { struct fbdevice *fb = &sc->sc_fb; /* Fill in the remaining fbdevice values */ fb->fb_driver = &bwtwofbdriver; fb->fb_device = &sc->sc_dev; fb->fb_type.fb_type = FBTYPE_SUN2BW; fb->fb_type.fb_cmsize = 0; fb->fb_type.fb_size = fb->fb_type.fb_height * fb->fb_linebytes; printf(": %s, %d x %d", name, fb->fb_type.fb_width, fb->fb_type.fb_height); /* Insure video is enabled */ sc->sc_set_video(sc, 1); if (isconsole) { printf(" (console)\n"); #ifdef RASTERCONSOLE /* * XXX rcons doesn't seem to work properly on the overlay * XXX plane. This is a temporary kludge until someone * XXX fixes it. */ if ((fb->fb_flags & FB_PFOUR) == 0 || (sc->sc_ovtype == BWO_NONE)) fbrcons_init(fb); #endif } else printf("\n"); if ((fb->fb_flags & FB_PFOUR) && (sc->sc_ovtype != BWO_NONE)) { char *ovnam; switch (sc->sc_ovtype) { case BWO_CGFOUR: ovnam = "cgfour"; break; case BWO_CGEIGHT: ovnam = "cgeight"; break; default: ovnam = "unknown"; break; } printf("%s: %s overlay plane\n", sc->sc_dev.dv_xname, ovnam); } /* * If we're on an overlay plane of a color framebuffer, * then we don't force the issue in fb_attach() because * we'd like the color framebuffer to actually be the * "console framebuffer". We're only around to speed * up rconsole. */ if ((fb->fb_flags & FB_PFOUR) && (sc->sc_ovtype != BWO_NONE )) fb_attach(fb, 0); else fb_attach(fb, isconsole); } int bwtwoopen(dev, flags, mode, p) dev_t dev; int flags, mode; struct proc *p; { int unit = minor(dev); if (unit >= bwtwo_cd.cd_ndevs || bwtwo_cd.cd_devs[unit] == NULL) return (ENXIO); return (0); } int bwtwoioctl(dev, cmd, data, flags, p) dev_t dev; u_long cmd; caddr_t data; int flags; struct proc *p; { struct bwtwo_softc *sc = bwtwo_cd.cd_devs[minor(dev)]; switch (cmd) { case FBIOGTYPE: *(struct fbtype *)data = sc->sc_fb.fb_type; break; case FBIOGVIDEO: *(int *)data = sc->sc_get_video(sc); break; case FBIOSVIDEO: sc->sc_set_video(sc, (*(int *)data)); break; default: return (ENOTTY); } return (0); } static void bwtwounblank(dev) struct device *dev; { struct bwtwo_softc *sc = (struct bwtwo_softc *)dev; sc->sc_set_video(sc, 1); } /* * Return the address that would map the given device at the given * offset, allowing for the given protection, or return -1 for error. */ paddr_t bwtwommap(dev, off, prot) dev_t dev; off_t off; int prot; { struct bwtwo_softc *sc = bwtwo_cd.cd_devs[minor(dev)]; if (off & PGOFSET) panic("bwtwommap"); if (off >= sc->sc_fb.fb_type.fb_size) return (-1); return (bus_space_mmap(sc->sc_bustag, sc->sc_paddr, sc->sc_pixeloffset + off, prot, BUS_SPACE_MAP_LINEAR)); }