256 lines
7.0 KiB
C
256 lines
7.0 KiB
C
/* $NetBSD: tcbus.c,v 1.7 2000/01/14 13:45:28 simonb Exp $ */
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/*
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* Copyright (c) 1999 Tohru Nishimura. 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 Tohru Nishimura
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* for the NetBSD Project.
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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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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: tcbus.c,v 1.7 2000/01/14 13:45:28 simonb Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/autoconf.h>
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#include <machine/sysconf.h>
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#define _PMAX_BUS_DMA_PRIVATE
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#include <machine/bus.h>
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#include <dev/tc/tcvar.h>
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#include <pmax/pmax/pmaxtype.h>
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/*
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* Which system models were configured?
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*/
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#include "opt_dec_3max.h"
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#include "opt_dec_3min.h"
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#include "opt_dec_maxine.h"
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#include "opt_dec_3maxplus.h"
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/* XXX XXX TO BE REMOVED XXX XXX */
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/*
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* DECstation tc implementations dont' have a tcasic to handle interrupts,
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* and the mapping to CPU interrupt lines is model-dependent.
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* We have to pass TC interrupt establish/disestablish requests up to
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* motherboard-specific code.
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*/
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static void tc_ds_intr_establish __P((struct device *, void *,
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int, int (*)(void *), void *));
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static void tc_ds_intr_disestablish __P((struct device *, void *));
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/* XXX XXX XXX XXX XXX XXX XXX */
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static bus_dma_tag_t tc_ds_get_dma_tag __P((int));
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extern struct tcbus_attach_args kn02_tc_desc[]; /* XXX */
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extern struct tcbus_attach_args kmin_tc_desc[]; /* XXX */
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extern struct tcbus_attach_args xine_tc_desc[]; /* XXX */
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extern struct tcbus_attach_args kn03_tc_desc[]; /* XXX */
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static int tcbus_match __P((struct device *, struct cfdata *, void *));
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static void tcbus_attach __P((struct device *, struct device *, void *));
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struct cfattach tcbus_ca = {
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sizeof(struct tc_softc), tcbus_match, tcbus_attach,
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};
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static int tcbus_found;
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int
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tcbus_match(parent, cfdata, aux)
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struct device *parent;
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struct cfdata *cfdata;
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void *aux;
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{
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struct mainbus_attach_args *ma = aux;
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if (tcbus_found || strcmp(ma->ma_name, "tcbus"))
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return 0;
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return 1;
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}
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void
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tcbus_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 tcbus_attach_args *tba;
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tcbus_found = 1;
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switch (systype) {
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#ifdef DEC_3MAX
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case DS_3MAX:
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tba = &kn02_tc_desc[0]; break;
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#endif
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#ifdef DEC_3MIN
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case DS_3MIN:
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tba = &kmin_tc_desc[0]; break;
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#endif
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#ifdef DEC_MAXINE
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case DS_MAXINE:
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tba = &xine_tc_desc[0]; break;
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#endif
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#ifdef DEC_3MAXPLUS
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case DS_3MAXPLUS:
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tba = &kn03_tc_desc[0]; break;
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#endif
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default:
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panic("tcbus_attach: no TURBOchannel configured for systype = %d", systype);
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}
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tba->tba_busname = "tc";
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tba->tba_memt = 0;
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tba->tba_intr_establish = tc_ds_intr_establish;
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tba->tba_intr_disestablish = tc_ds_intr_disestablish;
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tba->tba_get_dma_tag = tc_ds_get_dma_tag;
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tcattach(parent, self, tba);
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}
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/*
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* Return the DMA tag for use by the specified TURBOchannel slot.
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*/
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static bus_dma_tag_t
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tc_ds_get_dma_tag(slot)
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int slot;
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{
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/*
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* All DECstations use the default DMA tag.
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*/
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return (&pmax_default_bus_dma_tag);
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}
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/*
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* Establish an interrupt handler.
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* For both TC and IOCTL asic, we must upcall to motherboard-specific
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* interrupt-hanlder functions, in case we need to recompute masks for
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* CPU interrupt lines.
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*/
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static void
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tc_ds_intr_establish(dev, cookie, level, handler, val)
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struct device *dev;
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void *cookie;
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int level;
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int (*handler) __P((void *));
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void *val;
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{
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#ifdef DEBUG
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printf("tc_ds_intr_establish: slot %d level %d handler %p sc %p on\n",
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(int) cookie, (int) level, handler, val);
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#endif
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/*
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* Enable the interrupt from tc (or ioctl asic) slot with NetBSD/pmax
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* sw-convention name ``cookie'' on this CPU.
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* XXX store the level somewhere for selective enabling of
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* interrupts from TC option slots.
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*/
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(*platform.intr_establish)(dev, cookie, level, handler, val);
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}
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static void
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tc_ds_intr_disestablish(dev, arg)
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struct device *dev;
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void *arg;
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{
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/*(*platform.intr_disestablish)(dev, cookie, level, handler, val);*/
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printf("cannot dis-establish IOASIC interrupts\n");
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}
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#include "rasterconsole.h"
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#if NRASTERCONSOLE > 0
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#include "mfb.h"
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#include "cfb.h"
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#include "sfb.h"
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#include "px.h"
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#include <machine/fbio.h>
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#include <machine/fbvar.h>
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#include <pmax/dev/cfbvar.h>
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#include <pmax/dev/mfbvar.h>
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#include <machine/pmioctl.h> /* XXX shouldn't need this here for pxvar.h */
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#include <pmax/dev/fbreg.h> /* XXX shouldn't need this here for pxvar.h */
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#include <pmax/dev/pxreg.h> /* XXX shouldn't need this here for pxvar.h */
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#include <pmax/dev/pxvar.h>
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#include <pmax/dev/sfbvar.h>
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#include <machine/dec_prom.h>
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int
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tcfb_cnattach(slotno)
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int slotno;
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{
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tc_addr_t tcaddr;
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char tcname[TC_ROM_LLEN];
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struct fbinfo *fi;
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tcaddr = (*callv->_slot_address)(slotno);
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if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0)
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panic("TC console designated by PROM does not exist!?");
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#if NSFB > 0
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if (strncmp("PMAGB-BA", tcname, TC_ROM_LLEN) == 0) {
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fballoc((caddr_t)tcaddr, &fi);
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sfbinit(fi, (caddr_t)tcaddr, 0, 1);
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return 1;
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}
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#endif
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#if NCFB > 0
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if (strncmp("PMAG-BA ", tcname, TC_ROM_LLEN) == 0) {
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fballoc((caddr_t)tcaddr, &fi);
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cfbinit(fi, (caddr_t)tcaddr, 0, 1);
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return 1;
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}
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#endif
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#if NMFB > 0
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if (strncmp("PMAG-AA ", tcname, TC_ROM_LLEN) == 0) {
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fballoc((caddr_t)tcaddr, &fi);
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mfbinit(fi, (caddr_t)tcaddr, 0, 1);
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return 1;
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}
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#endif
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#if NPX > 0
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if (strncmp("PMAG-CA ", tcname, TC_ROM_LLEN) == 0
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|| strncmp("PMAG-DA ", tcname, TC_ROM_LLEN) == 0
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|| strncmp("PMAG-FA ", tcname, TC_ROM_LLEN) == 0) {
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fballoc((caddr_t)tcaddr, &fi);
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px_init(fi, (caddr_t)tcaddr, 0, 1);
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return 1;
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}
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#endif
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return 0;
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}
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#endif
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