/* $NetBSD: cgsix_obio.c,v 1.1 1998/03/31 21:05:04 pk Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Paul Kranenburg. * * 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. */ /* * color display (cgsix) driver; sun4 obio bus front-end. */ #include "opt_uvm.h" #include #include #include #include #include #include #include #include #include #include #ifdef DEBUG #include #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* autoconfiguration driver */ static int cgsixmatch __P((struct device *, struct cfdata *, void *)); static void cgsixattach __P((struct device *, struct device *, void *)); static int cg6_pfour_probe __P((void *, void *)); struct cfattach cgsix_obio_ca = { sizeof(struct cgsix_softc), cgsixmatch, cgsixattach }; /* * Match a cgsix. */ int cgsixmatch(parent, cf, aux) struct device *parent; struct cfdata *cf; void *aux; { union obio_attach_args *uoba = aux; struct obio4_attach_args *oba; if (uoba->uoba_isobio4 == 0) return (0); oba = &uoba->uoba_oba4; return (bus_space_probe(oba->oba_bustag, 0, oba->oba_paddr + CGSIX_FHC_OFFSET, 4, /* probe size */ 0, /* offset */ 0, /* flags */ cg6_pfour_probe, NULL)); } int cg6_pfour_probe(vaddr, arg) void *vaddr; void *arg; { return (fb_pfour_id(vaddr) == PFOUR_ID_FASTCOLOR); } /* * Attach a display. */ void cgsixattach(parent, self, aux) struct device *parent, *self; void *aux; { struct cgsix_softc *sc = (struct cgsix_softc *)self; union obio_attach_args *uoba = aux; struct obio4_attach_args *oba; struct eeprom *eep = (struct eeprom *)eeprom_va; struct fbdevice *fb = &sc->sc_fb; bus_space_handle_t bh; int constype, isconsole; char *name; extern struct tty *fbconstty; if (uoba->uoba_isobio4 == 0) { (*cgsix_sbus_ca.ca_attach)(parent, self, aux); return; } oba = &uoba->uoba_oba4; /* Remember cookies for cgsix_mmap() */ sc->sc_bustag = oba->oba_bustag; sc->sc_btype = (bus_type_t)0; sc->sc_paddr = (bus_addr_t)oba->oba_paddr; fb->fb_device = &sc->sc_dev; fb->fb_type.fb_type = FBTYPE_SUNFAST_COLOR; fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags & FB_USERMASK; fb->fb_type.fb_depth = 8; fb_setsize_eeprom(fb, fb->fb_type.fb_depth, 1152, 900); /* * Dunno what the PROM has mapped, though obviously it must have * the video RAM mapped. Just map what we care about for ourselves * (the FHC, THC, and Brooktree registers). */ if (bus_space_map2(oba->oba_bustag, 0, oba->oba_paddr + CGSIX_BT_OFFSET, sizeof(*sc->sc_bt), BUS_SPACE_MAP_LINEAR, 0, &bh) != 0) { printf("%s: cannot map brooktree registers\n", self->dv_xname); return; } sc->sc_bt = (struct bt_regs *)bh; if (bus_space_map2(oba->oba_bustag, 0, oba->oba_paddr + CGSIX_FHC_OFFSET, sizeof(*sc->sc_fhc), BUS_SPACE_MAP_LINEAR, 0, &bh) != 0) { printf("%s: cannot map FHC registers\n", self->dv_xname); return; } sc->sc_fhc = (int *)bh; if (bus_space_map2(oba->oba_bustag, 0, oba->oba_paddr + CGSIX_THC_OFFSET, sizeof(*sc->sc_thc), BUS_SPACE_MAP_LINEAR, 0, &bh) != 0) { printf("%s: cannot map THC registers\n", self->dv_xname); return; } sc->sc_thc = (struct cg6_thc *)bh; if (bus_space_map2(oba->oba_bustag, 0, oba->oba_paddr + CGSIX_TEC_OFFSET, sizeof(*sc->sc_tec), BUS_SPACE_MAP_LINEAR, 0, &bh) != 0) { printf("%s: cannot map TEC registers\n", self->dv_xname); return; } sc->sc_tec = (struct cg6_tec_xxx *)bh; if (fb_pfour_id((void *)sc->sc_fhc) == PFOUR_ID_FASTCOLOR) { fb->fb_flags |= FB_PFOUR; name = "cgsix/p4"; } else name = "cgsix"; constype = (fb->fb_flags & FB_PFOUR) ? EE_CONS_P4OPT : EE_CONS_COLOR; /* * Assume this is the console if there's no eeprom info * to be found. */ if (eep == NULL || eep->eeConsole == constype) isconsole = (fbconstty != NULL); else isconsole = 0; if (isconsole && cgsix_use_rasterconsole) { int ramsize = fb->fb_type.fb_height * fb->fb_linebytes; if (bus_space_map2(oba->oba_bustag, 0, oba->oba_paddr + CGSIX_RAM_OFFSET, ramsize, BUS_SPACE_MAP_LINEAR, 0, &bh) != 0) { printf("%s: cannot map pixels\n", self->dv_xname); return; } sc->sc_fb.fb_pixels = (caddr_t)bh; } cg6attach(sc, name, isconsole, 1); }