/* $NetBSD: tcbus.c,v 1.12 2000/06/06 00:27:58 nisimura Exp $ */ /* * Copyright (c) 1999, 2000 Tohru Nishimura. 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 Tohru Nishimura * for the NetBSD Project. * 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. */ #include /* RCS ID & Copyright macro defns */ __KERNEL_RCSID(0, "$NetBSD: tcbus.c,v 1.12 2000/06/06 00:27:58 nisimura Exp $"); /* * Which system models were configured? */ #include "opt_dec_3max.h" #include "opt_dec_3min.h" #include "opt_dec_maxine.h" #include "opt_dec_3maxplus.h" #include #include #include #include #include #define _PMAX_BUS_DMA_PRIVATE #include #include #include static const struct evcnt *tc_ds_intr_evcnt __P((struct device *, void *)); static void tc_ds_intr_establish __P((struct device *, void *, int, int (*)(void *), void *)); static void tc_ds_intr_disestablish __P((struct device *, void *)); static bus_dma_tag_t tc_ds_get_dma_tag __P((int)); extern struct tcbus_attach_args kn02_tc_desc[]; /* XXX */ extern struct tcbus_attach_args kmin_tc_desc[]; /* XXX */ extern struct tcbus_attach_args xine_tc_desc[]; /* XXX */ extern struct tcbus_attach_args kn03_tc_desc[]; /* XXX */ static int tcbus_match __P((struct device *, struct cfdata *, void *)); static void tcbus_attach __P((struct device *, struct device *, void *)); struct cfattach tcbus_ca = { sizeof(struct tc_softc), tcbus_match, tcbus_attach, }; static int tcbus_found; static int tcbus_match(parent, cfdata, aux) struct device *parent; struct cfdata *cfdata; void *aux; { struct mainbus_attach_args *ma = aux; if (tcbus_found || strcmp(ma->ma_name, "tcbus")) return 0; return 1; } static void tcbus_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct tcbus_attach_args *tba; tcbus_found = 1; switch (systype) { #ifdef DEC_3MAX case DS_3MAX: tba = &kn02_tc_desc[0]; break; #endif #ifdef DEC_3MIN case DS_3MIN: tba = &kmin_tc_desc[0]; break; #endif #ifdef DEC_MAXINE case DS_MAXINE: tba = &xine_tc_desc[0]; break; #endif #ifdef DEC_3MAXPLUS case DS_3MAXPLUS: tba = &kn03_tc_desc[0]; break; #endif default: panic("tcbus_attach: no TURBOchannel configured for systype = %d", systype); } tba->tba_busname = "tc"; tba->tba_memt = 0; tba->tba_intr_evcnt = tc_ds_intr_evcnt; tba->tba_intr_establish = tc_ds_intr_establish; tba->tba_intr_disestablish = tc_ds_intr_disestablish; tba->tba_get_dma_tag = tc_ds_get_dma_tag; tcattach(parent, self, tba); } /* * Dispatch to model specific interrupt line evcnt fetch rontine */ static const struct evcnt * tc_ds_intr_evcnt(dev, cookie) struct device *dev; void *cookie; { /* XXX for now, no evcnt parent reported */ return NULL; } /* * Dispatch to model specific interrupt establishing routine */ static void tc_ds_intr_establish(dev, cookie, level, handler, val) struct device *dev; void *cookie; int level; int (*handler) __P((void *)); void *val; { (*platform.intr_establish)(dev, cookie, level, handler, val); } static void tc_ds_intr_disestablish(dev, arg) struct device *dev; void *arg; { printf("cannot disestablish TC interrupts\n"); } /* * Return the DMA tag for use by the specified TURBOchannel slot. */ static bus_dma_tag_t tc_ds_get_dma_tag(slot) int slot; { /* * All DECstations use the default DMA tag. */ return (&pmax_default_bus_dma_tag); } #include "rasterconsole.h" #if NRASTERCONSOLE > 0 #include "mfb.h" #include "cfb.h" #include "sfb.h" #include "px.h" #include /* XXX */ #include /* XXX */ #include /* XXX */ #include /* XXX */ #include #include #include #include #include #include int tcfb_cnattach(slotno) int slotno; { paddr_t tcaddr; char tcname[TC_ROM_LLEN]; tcaddr = (*callv->_slot_address)(slotno); if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0) panic("TC console designated by PROM does not exist!?"); #if NSFB > 0 if (strncmp("PMAGB-BA", tcname, TC_ROM_LLEN) == 0) { return sfb_cnattach(tcaddr); } #endif #if NCFB > 0 if (strncmp("PMAG-BA ", tcname, TC_ROM_LLEN) == 0) { return cfb_cnattach(tcaddr); } #endif #if NMFB > 0 if (strncmp("PMAG-AA ", tcname, TC_ROM_LLEN) == 0) { return mfb_cnattach(tcaddr); } #endif #if NPX > 0 if (strncmp("PMAG-CA ", tcname, TC_ROM_LLEN) == 0 || strncmp("PMAG-DA ", tcname, TC_ROM_LLEN) == 0 || strncmp("PMAG-FA ", tcname, TC_ROM_LLEN) == 0) { int px_cnattach __P((paddr_t)); /* XXX much simpler XXX */ return px_cnattach(tcaddr); } #endif return 0; } #endif