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/* $OpenBSD: tcasic.c,v 1.15 2006/06/15 20:08:29 brad Exp $ */
/* $NetBSD: tcasic.c,v 1.36 2001/08/23 01:16:52 nisimura Exp $ */
/*
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/rpb.h>
#include <machine/cpu.h>
#include <dev/tc/tcvar.h>
#include <alpha/tc/tc_conf.h>
/* Definition of the driver for autoconfig. */
int tcasicmatch(struct device *, void *, void *);
void tcasicattach(struct device *, struct device *, void *);
struct cfattach tcasic_ca = {
sizeof (struct device), tcasicmatch, tcasicattach,
};
struct cfdriver tcasic_cd = {
NULL, "tcasic", DV_DULL,
};
int tcasicprint(void *, const char *);
/* There can be only one. */
int tcasicfound;
int
tcasicmatch(parent, cfdata, aux)
struct device *parent;
void *cfdata, *aux;
{
struct mainbus_attach_args *ma = aux;
/* Make sure that we're looking for a TurboChannel ASIC. */
if (strcmp(ma->ma_name, tcasic_cd.cd_name))
return (0);
if (tcasicfound)
return (0);
return (1);
}
void
tcasicattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct tcbus_attach_args tba;
void (*intr_setup)(void);
void (*iointr)(void *, unsigned long);
printf("\n");
tcasicfound = 1;
switch (cputype) {
#ifdef DEC_3000_500
case ST_DEC_3000_500:
intr_setup = tc_3000_500_intr_setup;
iointr = tc_3000_500_iointr;
tba.tba_speed = TC_SPEED_25_MHZ;
tba.tba_nslots = tc_3000_500_nslots;
tba.tba_slots = tc_3000_500_slots;
if (hwrpb->rpb_variation & SV_GRAPHICS) {
tba.tba_nbuiltins = tc_3000_500_graphics_nbuiltins;
tba.tba_builtins = tc_3000_500_graphics_builtins;
} else {
tba.tba_nbuiltins = tc_3000_500_nographics_nbuiltins;
tba.tba_builtins = tc_3000_500_nographics_builtins;
}
tba.tba_intr_establish = tc_3000_500_intr_establish;
tba.tba_intr_disestablish = tc_3000_500_intr_disestablish;
tba.tba_get_dma_tag = tc_dma_get_tag_3000_500;
/* Do 3000/500-specific DMA setup now. */
tc_dma_init_3000_500(tc_3000_500_nslots);
break;
#endif /* DEC_3000_500 */
#ifdef DEC_3000_300
case ST_DEC_3000_300:
intr_setup = tc_3000_300_intr_setup;
iointr = tc_3000_300_iointr;
tba.tba_speed = TC_SPEED_12_5_MHZ;
tba.tba_nslots = tc_3000_300_nslots;
tba.tba_slots = tc_3000_300_slots;
tba.tba_nbuiltins = tc_3000_300_nbuiltins;
tba.tba_builtins = tc_3000_300_builtins;
tba.tba_intr_establish = tc_3000_300_intr_establish;
tba.tba_intr_disestablish = tc_3000_300_intr_disestablish;
tba.tba_get_dma_tag = tc_dma_get_tag_3000_300;
break;
#endif /* DEC_3000_300 */
default:
panic("tcasicattach: bad cputype");
}
tba.tba_busname = "tc";
tba.tba_memt = tc_bus_mem_init(NULL);
tc_dma_init();
(*intr_setup)();
/* They all come in at 0x800. */
scb_set(0x800, iointr, NULL);
config_found(self, &tba, tcasicprint);
}
int
tcasicprint(aux, pnp)
void *aux;
const char *pnp;
{
/* only TCs can attach to tcasics; easy. */
if (pnp)
printf("tc at %s", pnp);
return (UNCONF);
}
#ifdef notyet
#include "wsdisplay.h"
#if NWSDISPLAY > 0
#include "sfb.h"
#include "sfbp.h"
#include "cfb.h"
#include "mfb.h"
#include "tfb.h"
#include "px.h"
#include "pxg.h"
extern void sfb_cnattach(tc_addr_t);
extern void sfbp_cnattach(tc_addr_t);
extern void cfb_cnattach(tc_addr_t);
extern void mfb_cnattach(tc_addr_t);
extern void tfb_cnattach(tc_addr_t);
extern void px_cnattach(tc_addr_t);
extern void pxg_cnattach(tc_addr_t);
extern int tc_checkslot(tc_addr_t, char *);
struct cnboards {
const char *cb_tcname;
void (*cb_cnattach)(tc_addr_t);
} static const cnboards[] = {
#if NSFB > 0
{ "PMAGB-BA", sfb_cnattach },
#endif
#if NSFBP > 0
{ "PMAGD ", sfbp_cnattach },
#endif
#if NCFB > 0
{ "PMAG-BA ", cfb_cnattach },
#endif
#if NMFB > 0
{ "PMAG-AA ", mfb_cnattach },
#endif
#if NTFB > 0
{ "PMAG-JA ", tfb_cnattach },
#endif
#if NPX > 0
{ "PMAG-CA ", px_cnattach },
#endif
#if NPXG > 0
{ "PMAG-DA ", pxg_cnattach },
{ "PMAG-FA ", pxg_cnattach },
{ "PMAG-FB ", pxg_cnattach },
{ "PMAGB-FA", pxg_cnattach },
{ "PMAGB-FB", pxg_cnattach },
#endif
};
/*
* tc_fb_cnattach --
* Attempt to attach the appropriate display driver to the
* output console.
*/
int
tc_fb_cnattach(tcaddr)
tc_addr_t tcaddr;
{
char tcname[TC_ROM_LLEN];
int i;
if (tc_badaddr(tcaddr) || (tc_checkslot(tcaddr, tcname) == 0))
return (EINVAL);
for (i = 0; i < sizeof(cnboards) / sizeof(cnboards[0]); i++)
if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0)
break;
if (i == sizeof(cnboards) / sizeof(cnboards[0]))
return (ENXIO);
(cnboards[i].cb_cnattach)(tcaddr);
return (0);
}
#endif /* if NWSDISPLAY > 0 */
#else
int
tc_fb_cnattach(tcaddr)
tc_addr_t tcaddr;
{
return (ENXIO);
}
#endif
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