/* $NetBSD: grf.c,v 1.50 2007/03/04 05:59:18 christos Exp $ */ /* * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * 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. * * from: Utah $Hdr: grf.c 1.31 91/01/21$ * * @(#)grf.c 7.8 (Berkeley) 5/7/91 */ /* * Copyright (c) 1988 University of Utah. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * 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 University of * California, Berkeley and its contributors. * 4. 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. * * from: Utah $Hdr: grf.c 1.31 91/01/21$ * * @(#)grf.c 7.8 (Berkeley) 5/7/91 */ #include __KERNEL_RCSID(0, "$NetBSD: grf.c,v 1.50 2007/03/04 05:59:18 christos Exp $"); /* * Graphics display driver for the Amiga * This is the hardware-independent portion of the driver. * Hardware access is through the grf_softc->g_mode routine. */ #include #include #include #include #include #include #include #include #include #include #include #include #include /* DEBUG */ #include #include #include #include #include #include #include "view.h" #include "grf.h" #if NGRF > 0 #include "ite.h" #if NITE == 0 #define ite_on(u,f) #define ite_off(u,f) #define ite_reinit(d) #endif int grfon(dev_t); int grfoff(dev_t); int grfsinfo(dev_t, struct grfdyninfo *); void grfattach(struct device *, struct device *, void *); int grfmatch(struct device *, struct cfdata *, void *); int grfprint(void *, const char *); /* * pointers to grf drivers device structs */ struct grf_softc *grfsp[NGRF]; CFATTACH_DECL(grf, sizeof(struct device), grfmatch, grfattach, NULL, NULL); dev_type_open(grfopen); dev_type_close(grfclose); dev_type_ioctl(grfioctl); dev_type_mmap(grfmmap); const struct cdevsw grf_cdevsw = { grfopen, grfclose, nullread, nullwrite, grfioctl, nostop, notty, nopoll, grfmmap, nokqfilter, }; /* * only used in console init. */ static struct cfdata *cfdata; /* * match if the unit of grf matches its perspective * low level board driver. */ int grfmatch(struct device *pdp, struct cfdata *cfp, void *auxp) { if (cfp->cf_unit != ((struct grf_softc *)pdp)->g_unit) return(0); cfdata = cfp; return(1); } /* * attach.. plug pointer in and print some info. * then try and attach an ite to us. note: dp is NULL * durring console init. */ void grfattach(struct device *pdp, struct device *dp, void *auxp) { struct grf_softc *gp; int maj; gp = (struct grf_softc *)pdp; grfsp[gp->g_unit] = (struct grf_softc *)pdp; /* * find our major device number */ maj = cdevsw_lookup_major(&grf_cdevsw); gp->g_grfdev = makedev(maj, gp->g_unit); if (dp != NULL) { printf(": width %d height %d", gp->g_display.gd_dwidth, gp->g_display.gd_dheight); if (gp->g_display.gd_colors == 2) printf(" monochrome\n"); else printf(" colors %d\n", gp->g_display.gd_colors); } /* * try and attach an ite */ amiga_config_found(cfdata, dp, gp, grfprint); } int grfprint(void *auxp, const char *pnp) { if (pnp) aprint_normal("ite at %s", pnp); return(UNCONF); } /*ARGSUSED*/ int grfopen(dev_t dev, int flags, int devtype, struct lwp *l) { struct grf_softc *gp; if (GRFUNIT(dev) >= NGRF || (gp = grfsp[GRFUNIT(dev)]) == NULL) return(ENXIO); if ((gp->g_flags & GF_ALIVE) == 0) return(ENXIO); if ((gp->g_flags & (GF_OPEN|GF_EXCLUDE)) == (GF_OPEN|GF_EXCLUDE)) return(EBUSY); return(0); } /*ARGSUSED*/ int grfclose(dev_t dev, int flags, int mode, struct lwp *l) { struct grf_softc *gp; gp = grfsp[GRFUNIT(dev)]; (void)grfoff(dev); gp->g_flags &= GF_ALIVE; return(0); } /*ARGSUSED*/ int grfioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) { struct grf_softc *gp; int error; gp = grfsp[GRFUNIT(dev)]; error = 0; switch (cmd) { case OGRFIOCGINFO: /* argl.. no bank-member.. */ bcopy((void *)&gp->g_display, data, sizeof(struct grfinfo)-4); break; case GRFIOCGINFO: bcopy((void *)&gp->g_display, data, sizeof(struct grfinfo)); break; case GRFIOCON: error = grfon(dev); break; case GRFIOCOFF: error = grfoff(dev); break; case GRFIOCSINFO: error = grfsinfo(dev, (struct grfdyninfo *) data); break; case GRFGETVMODE: return(gp->g_mode(gp, GM_GRFGETVMODE, data, 0, 0)); case GRFSETVMODE: error = gp->g_mode(gp, GM_GRFSETVMODE, data, 0, 0); if (error == 0 && gp->g_itedev && !(gp->g_flags & GF_GRFON)) ite_reinit(gp->g_itedev); break; case GRFGETNUMVM: return(gp->g_mode(gp, GM_GRFGETNUMVM, data, 0, 0)); /* * these are all hardware dependant, and have to be resolved * in the respective driver. */ case GRFIOCPUTCMAP: case GRFIOCGETCMAP: case GRFIOCSSPRITEPOS: case GRFIOCGSPRITEPOS: case GRFIOCSSPRITEINF: case GRFIOCGSPRITEINF: case GRFIOCGSPRITEMAX: case GRFIOCBITBLT: case GRFIOCSETMON: case GRFTOGGLE: /* Toggles between Cirrus boards and native ECS on Amiga. 15/11/94 ill */ /* * We need the minor dev number to get the overlay/image * information for grf_ul. */ return(gp->g_mode(gp, GM_GRFIOCTL, data, cmd, dev)); case GRFIOCBLANK: /* blank ioctl, IOCON/OFF will turn ite on */ case FBIOSVIDEO: error = gp->g_mode(gp, GM_GRFIOCTL, data, GRFIOCBLANK, dev); if (!error) gp->g_blank = *(int *)data; return (error); case FBIOGVIDEO: *(int *)data = gp->g_blank; return (0); default: #if NVIEW > 0 /* * check to see whether it's a command recognized by the * view code if the unit is 0 * XXX */ if (GRFUNIT(dev) == 0) { extern const struct cdevsw view_cdevsw; return((*view_cdevsw.d_ioctl)(dev, cmd, data, flag, l)); } #endif error = EPASSTHROUGH; break; } return(error); } /* * map the contents of a graphics display card into process' * memory space. */ paddr_t grfmmap(dev_t dev, off_t off, int prot) { struct grf_softc *gp; struct grfinfo *gi; gp = grfsp[GRFUNIT(dev)]; gi = &gp->g_display; /* * control registers */ if (off >= 0 && off < gi->gd_regsize) return(((paddr_t)gi->gd_regaddr + off) >> PGSHIFT); /* * frame buffer */ if (off >= gi->gd_regsize && off < gi->gd_regsize+gi->gd_fbsize) { off -= gi->gd_regsize; return(((paddr_t)gi->gd_fbaddr + off) >> PGSHIFT); } /* bogus */ return(-1); } int grfon(dev_t dev) { struct grf_softc *gp; gp = grfsp[GRFUNIT(dev)]; if (gp->g_flags & GF_GRFON) return(0); gp->g_flags |= GF_GRFON; if (gp->g_itedev != NODEV) ite_off(gp->g_itedev, 3); return(gp->g_mode(gp, (dev & GRFOVDEV) ? GM_GRFOVON : GM_GRFON, NULL, 0, 0)); } int grfoff(dev_t dev) { struct grf_softc *gp; int error; gp = grfsp[GRFUNIT(dev)]; if ((gp->g_flags & GF_GRFON) == 0) return(0); gp->g_flags &= ~GF_GRFON; error = gp->g_mode(gp, (dev & GRFOVDEV) ? GM_GRFOVOFF : GM_GRFOFF, NULL, 0, 0); /* * Closely tied together no X's */ if (gp->g_itedev != NODEV) ite_on(gp->g_itedev, 2); return(error); } int grfsinfo(dev_t dev, struct grfdyninfo *dyninfo) { struct grf_softc *gp; int error; gp = grfsp[GRFUNIT(dev)]; error = gp->g_mode(gp, GM_GRFCONFIG, dyninfo, 0, 0); /* * Closely tied together no X's */ if (gp->g_itedev != NODEV) ite_reinit(gp->g_itedev); return(error); } #endif /* NGRF > 0 */