210 lines
5.0 KiB
C
210 lines
5.0 KiB
C
/* $NetBSD: tcasic.c,v 1.28 2000/03/26 10:32:52 nisimura Exp $ */
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/*
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* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#include "opt_dec_3000_300.h"
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#include "opt_dec_3000_500.h"
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: tcasic.c,v 1.28 2000/03/26 10:32:52 nisimura 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/rpb.h>
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#include <machine/alpha.h>
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#include <machine/intrcnt.h>
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#include <dev/tc/tcvar.h>
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#include <alpha/tc/tc_conf.h>
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/* Definition of the driver for autoconfig. */
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int tcasicmatch(struct device *, struct cfdata *, void *);
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void tcasicattach(struct device *, struct device *, void *);
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struct cfattach tcasic_ca = {
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sizeof (struct device), tcasicmatch, tcasicattach,
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};
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extern struct cfdriver tcasic_cd;
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int tcasicprint __P((void *, const char *));
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/* There can be only one. */
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int tcasicfound;
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int
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tcasicmatch(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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/* Make sure that we're looking for a TurboChannel ASIC. */
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if (strcmp(ma->ma_name, tcasic_cd.cd_name))
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return (0);
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/* Make sure that the system supports a TurboChannel ASIC. */
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if ((cputype != ST_DEC_3000_500) && (cputype != ST_DEC_3000_300))
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return (0);
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if (tcasicfound)
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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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tcasicattach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct tcbus_attach_args tba;
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void (*intr_setup) __P((void));
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void (*iointr) __P((void *, unsigned long));
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printf("\n");
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tcasicfound = 1;
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switch (cputype) {
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#ifdef DEC_3000_500
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case ST_DEC_3000_500:
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intr_setup = tc_3000_500_intr_setup;
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iointr = tc_3000_500_iointr;
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tba.tba_speed = TC_SPEED_25_MHZ;
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tba.tba_nslots = tc_3000_500_nslots;
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tba.tba_slots = tc_3000_500_slots;
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if (hwrpb->rpb_variation & SV_GRAPHICS) {
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tba.tba_nbuiltins = tc_3000_500_graphics_nbuiltins;
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tba.tba_builtins = tc_3000_500_graphics_builtins;
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} else {
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tba.tba_nbuiltins = tc_3000_500_nographics_nbuiltins;
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tba.tba_builtins = tc_3000_500_nographics_builtins;
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}
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tba.tba_intr_establish = tc_3000_500_intr_establish;
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tba.tba_intr_disestablish = tc_3000_500_intr_disestablish;
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tba.tba_get_dma_tag = tc_dma_get_tag_3000_500;
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/* Do 3000/500-specific DMA setup now. */
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tc_dma_init_3000_500(tc_3000_500_nslots);
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break;
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#endif /* DEC_3000_500 */
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#ifdef DEC_3000_300
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case ST_DEC_3000_300:
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intr_setup = tc_3000_300_intr_setup;
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iointr = tc_3000_300_iointr;
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tba.tba_speed = TC_SPEED_12_5_MHZ;
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tba.tba_nslots = tc_3000_300_nslots;
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tba.tba_slots = tc_3000_300_slots;
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tba.tba_nbuiltins = tc_3000_300_nbuiltins;
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tba.tba_builtins = tc_3000_300_builtins;
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tba.tba_intr_establish = tc_3000_300_intr_establish;
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tba.tba_intr_disestablish = tc_3000_300_intr_disestablish;
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tba.tba_get_dma_tag = tc_dma_get_tag_3000_300;
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break;
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#endif /* DEC_3000_300 */
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default:
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panic("tcasicattach: bad cputype");
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}
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tba.tba_busname = "tc";
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tba.tba_memt = tc_bus_mem_init(NULL);
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tc_dma_init();
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(*intr_setup)();
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set_iointr(iointr);
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config_found(self, &tba, tcasicprint);
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}
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int
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tcasicprint(aux, pnp)
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void *aux;
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const char *pnp;
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{
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/* only TCs can attach to tcasics; easy. */
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if (pnp)
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printf("tc at %s", pnp);
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return (UNCONF);
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}
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#include "wsdisplay.h"
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#if NWSDISPLAY > 0
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#include "cfb.h"
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#include "sfb.h"
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extern int sfb_cnattach __P((tc_addr_t));
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extern int cfb_cnattach __P((tc_addr_t));
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extern int tc_checkslot __P((tc_addr_t, char *));
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/*
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* tc_fb_cnattach --
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* Attempt to attach the appropriate display driver to the
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* output console.
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*/
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int
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tc_fb_cnattach(tcaddr)
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tc_addr_t tcaddr;
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{
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char tcname[TC_ROM_LLEN];
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if (tc_badaddr(tcaddr) || (tc_checkslot(tcaddr, tcname) == 0)) {
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return EINVAL;
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}
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#if NSFB > 0
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if (strncmp("PMAGB-BA", tcname, TC_ROM_LLEN) == 0) {
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sfb_cnattach(tcaddr);
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return 0;
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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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cfb_cnattach(tcaddr);
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return 0;
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}
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#endif
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return ENXIO;
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}
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#endif /* if NWSDISPLAY > 0 */
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