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/* $NetBSD: pm_ds.c,v 1.3 1996/10/23 02:34:23 mhitch Exp $ */
/*
* Copyright 1996 The Board of Trustees of The Leland Stanford
* Junior University. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. Stanford University
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*
* this driver contributed by Jonathan Stone
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/types.h>
#include <sys/device.h>
#include <sys/tty.h>
#include <machine/autoconf.h>
#include <pmax/pmax/kn01.h>
#include <pmax/pmax/cons.h>
#include <sys/ioctl.h>
#include <machine/pmioctl.h>
#include <machine/fbio.h>
#include <machine/fbvar.h>
#include <pmax/dev/fbreg.h>
#include <machine/dc7085cons.h> /* XXX */
#include <pmax/dev/pmvar.h> /* XXX move */
#include "fb.h"
#include "pm.h"
#include "dc.h"
#if 0
#if NDC == 0
pm needs dc device
#endif
#endif
extern int pminit __P((struct fbinfo *fi, int unit, int cold_console_flag));
int ds_pm_init __P ((struct fbinfo *fi, int unti, int cold_console_flag));
int pm_ds_match __P((struct device *, void *, void *));
void pm_ds_attach __P((struct device *, struct device *, void *));
/*
* Define decstation pm front-end driver for autoconfig
*/
extern struct cfattach pm_ds_ca;
struct cfattach pm_ds_ca = {
sizeof(struct device), pm_ds_match, pm_ds_attach
};
/* XXX pmvar.h */
extern struct fbuacces pmu;
/* static struct for cold console init */
struct fbinfo pmfi; /*XXX*/
/*
* rcons methods and globals.
*/
extern struct pmax_fbtty pmfb;
/*
* XXX
* pmax raster-console infrastructure needs to reset the mouse, so
* we need a driver callback.
* pm framebuffers are only found in {dec,vax}station 3100s with dc7085s..
* we hardcode an entry point.
* XXX
*/
void dcPutc __P((dev_t, int)); /* XXX */
/*
* Intialize pm framebuffer as console while cold
*/
int
ds_pm_init (fi, unit, cold_console_flag)
struct fbinfo *fi;
int unit;
int cold_console_flag;
{
/* only have one pm, address &c hardcoded in pminit() */
return (pminit(fi, unit, cold_console_flag));
}
int
pm_ds_match(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct confargs *ca = aux;
caddr_t pmaddr = (caddr_t)ca->ca_addr;
/* make sure that we're looking for this type of device. */
if (strcmp(ca->ca_name, "pm") != 0)
return (0);
if (badaddr(pmaddr, 4))
return (0);
return (1);
}
void
pm_ds_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
/*struct confargs *ca = aux;*/
/*caddr_t pmaddr = (caddr_t)ca->ca_addr;*/
if (!pminit(&pmfi, 0, 0))
return;
/* no interrupts for PM */
/*BUS_INTR_ESTABLISH(ca, sccintr, self->dv_unit);*/
printf("\n");
return;
}
/*
* pmax FB initialization. This is abstracted out from pmattach() so
* that a console framebuffer can be initialized early in boot.
*
* Compute cursor-chip address, raster address, depth, initialize
* statically-allocated "softc", and pass to pmattach().
*/
int
pminit(fi, unit, cold_console_flag)
struct fbinfo *fi;
int unit;
int cold_console_flag;
{
/*
* If this device is being initialized as the console, malloc()
* is not yet up and we must use statically-allocated space.
*/
if (fi == NULL) {
fi = &pmfi; /* XXX */
}
/* cmap_bits set in MI back-end */
/* Set address of frame buffer... */
fi->fi_unit = unit;
fi->fi_pixels = (caddr_t)MACH_PHYS_TO_UNCACHED(KN01_PHYS_FBUF_START);
fi->fi_base = (caddr_t)MACH_PHYS_TO_UNCACHED(KN01_SYS_PCC);
fi->fi_vdac = (caddr_t)MACH_PHYS_TO_UNCACHED(KN01_SYS_VDAC);
/* check for no frame buffer */
if (badaddr((char *)fi->fi_pixels, 4))
return (0);
/* Fill in the stuff that differs from monochrome to color. */
if (*(volatile u_short *)MACH_PHYS_TO_UNCACHED(KN01_SYS_CSR) &
KN01_CSR_MONO) {
fi->fi_type.fb_depth = 1;
}
else {
fi->fi_type.fb_depth = 8;
}
/*
* Set mmap'able address of qvss-compatible user info structure.
*
* Must be in Uncached space since the fbuaccess structure is
* mapped into the user's address space uncached.
*
* XXX can go away when MI support for d_mmap entrypoints added.
*/
fi->fi_fbu = (struct fbuaccess *)
MACH_PHYS_TO_UNCACHED(MACH_CACHED_TO_PHYS(&pmu));
fi->fi_glasstty = &pmfb;
/*
* set putc/getc entry point
*/
fi->fi_glasstty->KBDPutc = dcPutc; /* XXX */
fi->fi_glasstty->kbddev = makedev(DCDEV, DCKBD_PORT);
/* call back-end to initialize hardware and attach to rcons */
return (pmattach(fi, unit, cold_console_flag));
}
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