509 lines
14 KiB
C
509 lines
14 KiB
C
/* $NetBSD: grf_mv.c,v 1.26 1997/05/12 20:35:50 scottr Exp $ */
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/*
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* Copyright (c) 1995 Allen Briggs. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Allen Briggs.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Device-specific routines for handling Nubus-based video cards.
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*/
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/ioctl.h>
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#include <sys/file.h>
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#include <sys/malloc.h>
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#include <sys/mman.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <machine/bus.h>
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#include <machine/cpu.h>
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#include <machine/grfioctl.h>
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#include <machine/viareg.h>
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#include "nubus.h"
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#include "grfvar.h"
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static void load_image_data __P((caddr_t data, struct image_data *image));
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static void grfmv_intr_generic __P((void *vsc, int slot));
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static void grfmv_intr_radius __P((void *vsc, int slot));
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static void grfmv_intr_cti __P((void *vsc, int slot));
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static void grfmv_intr_cb264 __P((void *vsc, int slot));
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static void grfmv_intr_cb364 __P((void *vsc, int slot));
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static int grfmv_mode __P((struct grf_softc *gp, int cmd, void *arg));
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static caddr_t grfmv_phys __P((struct grf_softc *gp, vm_offset_t addr));
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static int grfmv_match __P((struct device *, struct cfdata *, void *));
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static void grfmv_attach __P((struct device *, struct device *, void *));
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struct cfdriver macvid_cd = {
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NULL, "macvid", DV_DULL
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};
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struct cfattach macvid_ca = {
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sizeof(struct grfbus_softc), grfmv_match, grfmv_attach
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};
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static void
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load_image_data(data, image)
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caddr_t data;
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struct image_data *image;
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{
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bcopy(data , &image->size, 4);
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bcopy(data + 4, &image->offset, 4);
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bcopy(data + 8, &image->rowbytes, 2);
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bcopy(data + 10, &image->top, 2);
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bcopy(data + 12, &image->left, 2);
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bcopy(data + 14, &image->bottom, 2);
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bcopy(data + 16, &image->right, 2);
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bcopy(data + 18, &image->version, 2);
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bcopy(data + 20, &image->packType, 2);
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bcopy(data + 22, &image->packSize, 4);
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bcopy(data + 26, &image->hRes, 4);
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bcopy(data + 30, &image->vRes, 4);
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bcopy(data + 34, &image->pixelType, 2);
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bcopy(data + 36, &image->pixelSize, 2);
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bcopy(data + 38, &image->cmpCount, 2);
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bcopy(data + 40, &image->cmpSize, 2);
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bcopy(data + 42, &image->planeBytes, 4);
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}
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static int
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grfmv_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
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if (na->category != NUBUS_CATEGORY_DISPLAY)
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return 0;
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if (na->type != NUBUS_TYPE_VIDEO)
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return 0;
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if (na->drsw != NUBUS_DRSW_APPLE)
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return 0;
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/*
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* If we've gotten this far, then we're dealing with a real-live
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* Apple QuickDraw-compatible display card resource. Now, how to
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* determine that this is an active resource??? Dunno. But we'll
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* proceed like it is.
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*/
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return 1;
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}
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static void
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grfmv_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct grfbus_softc *sc = (struct grfbus_softc *)self;
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struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
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struct image_data image_store, image;
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struct grfmode *gm;
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char cardname[CARD_NAME_LEN];
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nubus_dirent dirent;
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nubus_dir dir, mode_dir;
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int mode;
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sc->sc_tag = na->na_tag;
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sc->card_id = na->drhw;
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bcopy(na->fmt, &sc->sc_slot, sizeof(nubus_slot));
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if (bus_space_map(sc->sc_tag,
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NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &sc->sc_handle)) {
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printf(": grfmv_attach: failed to map slot %d\n", na->slot);
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return;
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}
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nubus_get_main_dir(&sc->sc_slot, &dir);
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if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
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&sc->sc_slot, &dir, na->rsrcid, &dirent) <= 0) {
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bad:
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bus_space_unmap(sc->sc_tag, sc->sc_handle, NBMEMSIZE);
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return;
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}
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nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &sc->board_dir);
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if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
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&sc->sc_slot, &sc->board_dir, NUBUS_RSRC_TYPE, &dirent) <= 0)
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if ((na->rsrcid != 128) ||
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(nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
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&sc->sc_slot, &dir, 129, &dirent) <= 0))
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goto bad;
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mode = NUBUS_RSRC_FIRSTMODE;
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if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
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&sc->sc_slot, &sc->board_dir, mode, &dirent) <= 0) {
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printf(": probe failed to get board rsrc.\n");
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goto bad;
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}
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nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &mode_dir);
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if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
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&sc->sc_slot, &mode_dir, VID_PARAMS, &dirent) <= 0) {
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printf(": probe failed to get mode dir.\n");
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goto bad;
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}
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if (nubus_get_ind_data(sc->sc_tag, sc->sc_handle, &sc->sc_slot,
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&dirent, (caddr_t)&image_store, sizeof(struct image_data)) <= 0) {
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printf(": probe failed to get indirect mode data.\n");
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goto bad;
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}
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/* Need to load display info (and driver?), etc... (?) */
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load_image_data((caddr_t)&image_store, &image);
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gm = &sc->curr_mode;
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gm->mode_id = mode;
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gm->fbbase = (caddr_t)(sc->sc_handle + image.offset); /* XXX evil! */
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gm->fboff = image.offset;
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gm->rowbytes = image.rowbytes;
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gm->width = image.right - image.left;
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gm->height = image.bottom - image.top;
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gm->fbsize = sc->curr_mode.height * sc->curr_mode.rowbytes;
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gm->hres = image.hRes;
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gm->vres = image.vRes;
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gm->ptype = image.pixelType;
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gm->psize = image.pixelSize;
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strncpy(cardname, nubus_get_card_name(sc->sc_tag, sc->sc_handle,
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&sc->sc_slot), CARD_NAME_LEN);
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cardname[CARD_NAME_LEN-1] = '\0';
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printf(": %s\n", cardname);
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if (sc->card_id == NUBUS_DRHW_TFB) {
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/*
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* This is the Toby card, but apparently some manufacturers
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* (like Cornerstone) didn't bother to get/use their own
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* value here, even though the cards are different, so we
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* so we try to differentiate here.
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*/
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if (strncmp(cardname, "Samsung 768", 11) == 0)
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sc->card_id = NUBUS_DRHW_SAM768;
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else if (strncmp(cardname, "Toby frame", 10) != 0)
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printf("%s: This display card pretends to be a TFB!\n",
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sc->sc_dev.dv_xname);
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}
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switch (sc->card_id) {
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case NUBUS_DRHW_M2HRVC:
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case NUBUS_DRHW_TFB:
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sc->cli_offset = 0xa0000;
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sc->cli_value = 0;
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add_nubus_intr(na->slot, grfmv_intr_generic, sc);
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break;
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case NUBUS_DRHW_WVC:
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sc->cli_offset = 0xa00000;
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sc->cli_value = 0;
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add_nubus_intr(na->slot, grfmv_intr_generic, sc);
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break;
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case NUBUS_DRHW_RPC8XJ:
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add_nubus_intr(na->slot, grfmv_intr_radius, sc);
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break;
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case NUBUS_DRHW_FIILX:
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case NUBUS_DRHW_FIISXDSP:
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sc->cli_offset = 0xf05000;
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sc->cli_value = 0x80;
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add_nubus_intr(na->slot, grfmv_intr_generic, sc);
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break;
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case NUBUS_DRHW_SAM768:
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add_nubus_intr(na->slot, grfmv_intr_cti, sc);
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break;
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case NUBUS_DRHW_CB264:
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add_nubus_intr(na->slot, grfmv_intr_cb264, sc);
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break;
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case NUBUS_DRHW_CB364:
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add_nubus_intr(na->slot, grfmv_intr_cb364, sc);
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break;
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case NUBUS_DRHW_SE30:
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/* Do nothing--SE/30 interrupts are disabled */
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break;
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case NUBUS_DRHW_MICRON:
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/* What do we know about this one? */
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default:
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printf("%s: Unknown video card ID 0x%x --",
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sc->sc_dev.dv_xname, sc->card_id);
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printf(" Not installing interrupt routine.\n");
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break;
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}
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/* Perform common video attachment. */
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grf_establish(sc, &sc->sc_slot, grfmv_mode, grfmv_phys);
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}
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static int
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grfmv_mode(gp, cmd, arg)
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struct grf_softc *gp;
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int cmd;
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void *arg;
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{
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switch (cmd) {
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case GM_GRFON:
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case GM_GRFOFF:
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return 0;
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case GM_CURRMODE:
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break;
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case GM_NEWMODE:
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break;
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case GM_LISTMODES:
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break;
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}
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return EINVAL;
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}
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static caddr_t
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grfmv_phys(gp, addr)
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struct grf_softc *gp;
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vm_offset_t addr;
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{
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return (caddr_t)(NUBUS_SLOT2PA(gp->sc_slot->slot) +
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(addr - gp->sc_handle)); /* XXX evil hack */
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}
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/* Interrupt handlers... */
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/*
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* Generic routine to clear interrupts for cards where it simply takes
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* a CLR.B to clear the interrupt. The offset of this byte varies between
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* cards.
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*/
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/*ARGSUSED*/
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static void
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grfmv_intr_generic(vsc, slot)
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void *vsc;
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int slot;
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{
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struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
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bus_space_write_1(sc->sc_tag, sc->sc_handle,
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sc->cli_offset, sc->cli_value);
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}
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/*
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* Routine to clear interrupts for the Radius PrecisionColor 8xj card.
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*/
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/*ARGSUSED*/
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static void
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grfmv_intr_radius(vsc, slot)
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void *vsc;
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int slot;
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{
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struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
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u_int8_t c;
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/*
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* The value 0x66 was the observed value on one card. It is read
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* from the driver's information block, so this may not be sufficient.
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* Then again, we're not setting up any other interrupts...
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*/
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c = 0x66;
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c |= 0x80;
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bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
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c &= 0x7f;
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bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
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}
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/*
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* Routine to clear interrupts on Samsung 768x1006 video controller.
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* This controller was manufactured by Cornerstone Technology, Inc.,
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* now known as Cornerstone Imaging.
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*
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* To clear this interrupt, we apparently have to set, then clear,
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* bit 2 at byte offset 0x80000 from the card's base.
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* Information for this provided by Brad Salai <bsalai@servtech.com>
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*/
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/*ARGSUSED*/
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static void
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grfmv_intr_cti(vsc, slot)
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void *vsc;
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int slot;
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{
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struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
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u_int8_t c;
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c = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0x80000);
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c |= 0x02;
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bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
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c &= 0xfd;
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bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
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}
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/*ARGSUSED*/
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static void
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grfmv_intr_cb264(vsc, slot)
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void *vsc;
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int slot;
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{
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struct grfbus_softc *sc;
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volatile char *slotbase;
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sc = (struct grfbus_softc *)vsc;
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slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */
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asm volatile(" movl %0,a0
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movl a0@(0xff6028),d0
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andl #0x2,d0
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beq _mv_intr0
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movql #0x3,d0
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_mv_intr0:
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movl a0@(0xff600c),d1
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andl #0x3,d1
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cmpl d1,d0
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beq _mv_intr_fin
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movl d0,a0@(0xff600c)
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nop
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tstb d0
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beq _mv_intr1
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movl #0x0002,a0@(0xff6040)
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movl #0x0102,a0@(0xff6044)
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movl #0x0105,a0@(0xff6048)
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movl #0x000e,a0@(0xff604c)
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movl #0x001c,a0@(0xff6050)
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movl #0x00bc,a0@(0xff6054)
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movl #0x00c3,a0@(0xff6058)
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movl #0x0061,a0@(0xff605c)
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movl #0x0012,a0@(0xff6060)
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bra _mv_intr_fin
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_mv_intr1:
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movl #0x0002,a0@(0xff6040)
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movl #0x0209,a0@(0xff6044)
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movl #0x020c,a0@(0xff6048)
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movl #0x000f,a0@(0xff604c)
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movl #0x0027,a0@(0xff6050)
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movl #0x00c7,a0@(0xff6054)
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movl #0x00d7,a0@(0xff6058)
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movl #0x006b,a0@(0xff605c)
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movl #0x0029,a0@(0xff6060)
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_mv_intr_fin:
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movl #0x1,a0@(0xff6014)"
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: : "g" (slotbase) : "a0","d0","d1");
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}
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/*
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* Support for the Colorboard 364 might be more complex than it needs to
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* be. If we can find more information about this card, this might be
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* significantly simplified. Contributions welcome... :-)
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*/
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/*ARGSUSED*/
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static void
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grfmv_intr_cb364(vsc, slot)
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void *vsc;
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int slot;
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{
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struct grfbus_softc *sc;
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volatile char *slotbase;
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sc = (struct grfbus_softc *)vsc;
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slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */
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asm volatile(" movl %0,a0
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movl a0@(0xfe6028),d0
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andl #0x2,d0
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beq _cb364_intr4
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movql #0x3,d0
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movl a0@(0xfe6018),d1
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movl #0x3,a0@(0xfe6018)
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movw a0@(0xfe7010),d2
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movl d1,a0@(0xfe6018)
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movl a0@(0xfe6020),d1
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btst #0x06,d2
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beq _cb364_intr0
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btst #0x00,d1
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beq _cb364_intr5
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bsr _cb364_intr1
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bra _cb364_intr_out
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_cb364_intr0:
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btst #0x00,d1
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bne _cb364_intr5
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bsr _cb364_intr1
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bra _cb364_intr_out
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_cb364_intr1:
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movl d0,a0@(0xfe600c)
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nop
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tstb d0
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beq _cb364_intr3
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movl #0x0002,a0@(0xfe6040)
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movl #0x0105,a0@(0xfe6048)
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movl #0x000e,a0@(0xfe604c)
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movl #0x00c3,a0@(0xfe6058)
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movl #0x0061,a0@(0xfe605c)
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|
btst #0x06,d2
|
|
beq _cb364_intr2
|
|
movl #0x001c,a0@(0xfe6050)
|
|
movl #0x00bc,a0@(0xfe6054)
|
|
movl #0x0012,a0@(0xfe6060)
|
|
movl #0x000e,a0@(0xfe6044)
|
|
movl #0x00c3,a0@(0xfe6064)
|
|
movl #0x0061,a0@(0xfe6020)
|
|
rts
|
|
_cb364_intr2:
|
|
movl #0x0016,a0@(0xfe6050)
|
|
movl #0x00b6,a0@(0xfe6054)
|
|
movl #0x0011,a0@(0xfe6060)
|
|
movl #0x0101,a0@(0xfe6044)
|
|
movl #0x00bf,a0@(0xfe6064)
|
|
movl #0x0001,a0@(0xfe6020)
|
|
rts
|
|
_cb364_intr3:
|
|
movl #0x0002,a0@(0xfe6040)
|
|
movl #0x0209,a0@(0xfe6044)
|
|
movl #0x020c,a0@(0xfe6048)
|
|
movl #0x000f,a0@(0xfe604c)
|
|
movl #0x0027,a0@(0xfe6050)
|
|
movl #0x00c7,a0@(0xfe6054)
|
|
movl #0x00d7,a0@(0xfe6058)
|
|
movl #0x006b,a0@(0xfe605c)
|
|
movl #0x0029,a0@(0xfe6060)
|
|
oril #0x0040,a0@(0xfe6064)
|
|
movl #0x0000,a0@(0xfe6020)
|
|
rts
|
|
_cb364_intr4:
|
|
movq #0x00,d0
|
|
_cb364_intr5:
|
|
movl a0@(0xfe600c),d1
|
|
andl #0x3,d1
|
|
cmpl d1,d0
|
|
beq _cb364_intr_out
|
|
bsr _cb364_intr1
|
|
_cb364_intr_out:
|
|
movl #0x1,a0@(0xfe6014)
|
|
_cb364_intr_quit:
|
|
" : : "g" (slotbase) : "a0","d0","d1","d2");
|
|
}
|