/* $NetBSD: grf_mv.c,v 1.20 1997/04/10 20:34:25 briggs Exp $ */ /* * Copyright (c) 1995 Allen Briggs. All rights reserved. * * 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 Allen Briggs. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ /* * Device-specific routines for handling Nubus-based video cards. */ #include #include #include #include #include #include #include #include #include #include #include #include #include "nubus.h" #include "grfvar.h" static void load_image_data __P((caddr_t data, struct image_data *image)); static char zero = 0; static void grfmv_intr_generic __P((void *vsc, int slot)); static void grfmv_intr_cti __P((void *vsc, int slot)); static void grfmv_intr_cb264 __P((void *vsc, int slot)); static int grfmv_mode __P((struct grf_softc *gp, int cmd, void *arg)); static caddr_t grfmv_phys __P((struct grf_softc *gp, vm_offset_t addr)); static int grfmv_match __P((struct device *, struct cfdata *, void *)); static void grfmv_attach __P((struct device *, struct device *, void *)); struct cfdriver macvid_cd = { NULL, "macvid", DV_DULL }; struct cfattach macvid_ca = { sizeof(struct grfbus_softc), grfmv_match, grfmv_attach }; static void load_image_data(data, image) caddr_t data; struct image_data *image; { bcopy(data , &image->size, 4); bcopy(data + 4, &image->offset, 4); bcopy(data + 8, &image->rowbytes, 2); bcopy(data + 10, &image->top, 2); bcopy(data + 12, &image->left, 2); bcopy(data + 14, &image->bottom, 2); bcopy(data + 16, &image->right, 2); bcopy(data + 18, &image->version, 2); bcopy(data + 20, &image->packType, 2); bcopy(data + 22, &image->packSize, 4); bcopy(data + 26, &image->hRes, 4); bcopy(data + 30, &image->vRes, 4); bcopy(data + 34, &image->pixelType, 2); bcopy(data + 36, &image->pixelSize, 2); bcopy(data + 38, &image->cmpCount, 2); bcopy(data + 40, &image->cmpSize, 2); bcopy(data + 42, &image->planeBytes, 4); } static int grfmv_match(parent, cf, aux) struct device *parent; struct cfdata *cf; void *aux; { struct nubus_attach_args *na = (struct nubus_attach_args *) aux; if (na->category != NUBUS_CATEGORY_DISPLAY) return 0; if (na->type != NUBUS_TYPE_VIDEO) return 0; if (na->drsw != NUBUS_DRSW_APPLE) return 0; /* * If we've gotten this far, then we're dealing with a real-live * Apple QuickDraw-compatible display card resource. Now, how to * determine that this is an active resource??? Dunno. But we'll * proceed like it is. */ return 1; } static void grfmv_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct grfbus_softc *sc = (struct grfbus_softc *) self; struct nubus_attach_args *na = (struct nubus_attach_args *) aux; struct image_data image_store, image; struct grfmode *gm; char cardname[CARD_NAME_LEN]; nubus_dirent dirent; nubus_dir dir, mode_dir; int mode; sc->card_id = na->drhw; bcopy(na->fmt, &sc->sc_slot, sizeof(nubus_slot)); nubus_get_main_dir(&sc->sc_slot, &dir); if (nubus_find_rsrc(&sc->sc_slot, &dir, na->rsrcid, &dirent) <= 0) return; nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &sc->board_dir); if (nubus_find_rsrc(&sc->sc_slot, &sc->board_dir, NUBUS_RSRC_TYPE, &dirent) <= 0) if ((na->rsrcid != 128) || (nubus_find_rsrc(&sc->sc_slot, &dir, 129, &dirent) <= 0)) return; mode = NUBUS_RSRC_FIRSTMODE; if (nubus_find_rsrc(&sc->sc_slot, &sc->board_dir, mode, &dirent) <= 0) { printf("\n%s: probe failed to get board rsrc.\n", sc->sc_dev.dv_xname); return; } nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &mode_dir); if (nubus_find_rsrc(&sc->sc_slot, &mode_dir, VID_PARAMS, &dirent) <= 0) { printf("\n%s: probe failed to get mode dir.\n", sc->sc_dev.dv_xname); return; } if (nubus_get_ind_data(&sc->sc_slot, &dirent, (caddr_t) &image_store, sizeof(struct image_data)) <= 0) { printf("\n%s: probe failed to get indirect mode data.\n", sc->sc_dev.dv_xname); return; } /* Need to load display info (and driver?), etc... (?) */ load_image_data((caddr_t) &image_store, &image); gm = &sc->curr_mode; gm->mode_id = mode; gm->fbbase = (caddr_t) (sc->sc_slot.virtual_base + image.offset); gm->fboff = image.offset; gm->rowbytes = image.rowbytes; gm->width = image.right - image.left; gm->height = image.bottom - image.top; gm->fbsize = sc->curr_mode.height * sc->curr_mode.rowbytes; gm->hres = image.hRes; gm->vres = image.vRes; gm->ptype = image.pixelType; gm->psize = image.pixelSize; strncpy(cardname, nubus_get_card_name(&sc->sc_slot), CARD_NAME_LEN); cardname[CARD_NAME_LEN-1] = '\0'; if (sc->card_id == NUBUS_DRHW_TFB) { /* * This is the Toby card, but apparently some manufacturers * (like Cornerstone) didn't bother to get/use their own * value here, even though the cards are different, so we * so we try to differentiate here. */ if (strncmp(cardname, "Samsung 768", 11) == 0) { sc->card_id = NUBUS_DRHW_SAM768; } else if (strncmp(cardname, "Toby frame", 10) == 0) { /* Do nothing. */ } else { printf("This display card pretends to be a TFB!"); } } printf(": %s\n", cardname); switch (sc->card_id) { case NUBUS_DRHW_M2HRVC: case NUBUS_DRHW_TFB: sc->cli_offset = 0xa0000; add_nubus_intr(sc->sc_slot.slot, grfmv_intr_generic, sc); break; case NUBUS_DRHW_WVC: sc->cli_offset = 0xa00000; add_nubus_intr(sc->sc_slot.slot, grfmv_intr_generic, sc); break; case NUBUS_DRHW_SAM768: add_nubus_intr(sc->sc_slot.slot, grfmv_intr_cti, sc); break; case NUBUS_DRHW_CB264: add_nubus_intr(sc->sc_slot.slot, grfmv_intr_cb264, sc); break; case NUBUS_DRHW_SE30: /* Do nothing--SE/30 interrupts are disabled */ break; case NUBUS_DRHW_MICRON: /* What do we know about this one? */ default: printf(" Unknown video card ID 0x%x--", sc->card_id); printf("Not installing interrupt routine.\n"); break; } /* Perform common video attachment. */ grf_establish(sc, &sc->sc_slot, grfmv_mode, grfmv_phys); } static int grfmv_mode(gp, cmd, arg) struct grf_softc *gp; int cmd; void *arg; { switch (cmd) { case GM_GRFON: case GM_GRFOFF: return 0; case GM_CURRMODE: break; case GM_NEWMODE: break; case GM_LISTMODES: break; } return EINVAL; } static caddr_t grfmv_phys(gp, addr) struct grf_softc *gp; vm_offset_t addr; { return (caddr_t) (NUBUS_SLOT2PA(gp->sc_slot->slot) + (addr - gp->sc_slot->virtual_base)); } /* Interrupt handlers... */ /* * Generic routine to clear interrupts for cards where it simply takes * a CLR.B to clear the interrupt. The offset of this byte varies between * cards. */ /*ARGSUSED*/ static void grfmv_intr_generic(vsc, slot) void *vsc; int slot; { caddr_t slotbase; struct grfbus_softc *sc; sc = (struct grfbus_softc *) vsc; slotbase = (caddr_t) sc->sc_slot.virtual_base; slotbase[sc->cli_offset] = zero; } /* * Routine to clear interrupts on Samsung 768x1006 video controller. * This controller was manufactured by Cornerstone Technology, Inc., * now known as Cornerstone Imaging. * * To clear this interrupt, we apparently have to set, then clear, * bit 2 at byte offset 0x80000 from the card's base. * Information for this provided by Brad Salai */ /*ARGSUSED*/ static void grfmv_intr_cti(vsc, slot) void *vsc; int slot; { volatile char *slotbase; struct grfbus_softc *sc; sc = (struct grfbus_softc *) vsc; slotbase = ((volatile char *) sc->sc_slot.virtual_base) + 0x00080000; *slotbase = (*slotbase | 0x02); *slotbase = (*slotbase & 0xFD); } /*ARGSUSED*/ static void grfmv_intr_cb264(vsc, slot) void *vsc; int slot; { struct grfbus_softc *sc; caddr_t slotbase; sc = (struct grfbus_softc *) vsc; slotbase = (caddr_t) sc->sc_slot.virtual_base; asm volatile(" movl %0,a0 movl a0@(0xff6028),d0 andl #0x2,d0 beq _mv_intr0 movql #0x3,d0 _mv_intr0: movl a0@(0xff600c),d1 andl #0x3,d1 cmpl d1,d0 beq _mv_intr_fin movl d0,a0@(0xff600c) nop tstb d0 beq _mv_intr1 movl #0x0002,a0@(0xff6040) movl #0x0102,a0@(0xff6044) movl #0x0105,a0@(0xff6048) movl #0x000e,a0@(0xff604c) movl #0x001c,a0@(0xff6050) movl #0x00bc,a0@(0xff6054) movl #0x00c3,a0@(0xff6058) movl #0x0061,a0@(0xff605c) movl #0x0012,a0@(0xff6060) bra _mv_intr_fin _mv_intr1: movl #0x0002,a0@(0xff6040) movl #0x0209,a0@(0xff6044) movl #0x020c,a0@(0xff6048) movl #0x000f,a0@(0xff604c) movl #0x0027,a0@(0xff6050) movl #0x00c7,a0@(0xff6054) movl #0x00d7,a0@(0xff6058) movl #0x006b,a0@(0xff605c) movl #0x0029,a0@(0xff6060) _mv_intr_fin: movl #0x1,a0@(0xff6014)" : : "g" (slotbase) : "a0","d0","d1"); }