NetBSD/sys/dev/sbus/cgsix_sbus.c

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/* $NetBSD: cgsix_sbus.c,v 1.1 2000/08/20 14:33:26 pk Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Kranenburg.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* color display (cgsix) driver; Sbus bus front-end.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/malloc.h>
#include <sys/mman.h>
#include <sys/tty.h>
#include <sys/conf.h>
#ifdef DEBUG
#include <sys/proc.h>
#include <sys/syslog.h>
#endif
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <dev/sbus/sbusvar.h>
#include <dev/sun/fbio.h>
#include <dev/sun/fbvar.h>
#include <dev/sun/btreg.h>
#include <dev/sun/btvar.h>
#include <dev/sun/cgsixreg.h>
#include <dev/sun/cgsixvar.h>
/* autoconfiguration driver */
static int cgsixmatch __P((struct device *, struct cfdata *, void *));
static void cgsixattach __P((struct device *, struct device *, void *));
/* Allocate an `sbusdev' in addition to the bwtwo softc */
struct cgsix_sbus_softc {
struct cgsix_softc bss_softc;
struct sbusdev bss_sd;
};
struct cfattach cgsix_sbus_ca = {
sizeof(struct cgsix_sbus_softc), cgsixmatch, cgsixattach
};
/*
* Match a cgsix.
*/
int
cgsixmatch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct sbus_attach_args *sa = aux;
return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0);
}
/*
* Attach a cgsix.
*/
void
cgsixattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct cgsix_softc *sc = (struct cgsix_softc *)self;
struct sbusdev *sd = &((struct cgsix_sbus_softc *)self)->bss_sd;
struct sbus_attach_args *sa = aux;
struct fbdevice *fb = &sc->sc_fb;
int node, isconsole;
char *name;
bus_space_handle_t bh;
/* Remember cookies for cgsix_mmap() */
sc->sc_bustag = sa->sa_bustag;
sc->sc_btype = (bus_type_t)sa->sa_slot;
sc->sc_paddr = (bus_addr_t)sa->sa_offset;
node = sa->sa_node;
fb->fb_device = &sc->sc_dev;
fb->fb_type.fb_type = FBTYPE_SUNFAST_COLOR;
fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags & FB_USERMASK;
fb->fb_type.fb_depth = 8;
fb_setsize_obp(fb, fb->fb_type.fb_depth, 1152, 900, node);
/*
* Dunno what the PROM has mapped, though obviously it must have
* the video RAM mapped. Just map what we care about for ourselves
* (the FHC, THC, and Brooktree registers).
*/
if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
sa->sa_offset + CGSIX_BT_OFFSET,
sizeof(*sc->sc_bt),
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map brooktree registers\n", self->dv_xname);
return;
}
sc->sc_bt = (struct bt_regs *)bh;
if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
sa->sa_offset + CGSIX_FHC_OFFSET,
sizeof(*sc->sc_fhc),
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map FHC registers\n", self->dv_xname);
return;
}
sc->sc_fhc = (int *)bh;
if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
sa->sa_offset + CGSIX_THC_OFFSET,
sizeof(*sc->sc_thc),
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map THC registers\n", self->dv_xname);
return;
}
sc->sc_thc = (struct cg6_thc *)bh;
if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
sa->sa_offset + CGSIX_TEC_OFFSET,
sizeof(*sc->sc_tec),
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map TEC registers\n", self->dv_xname);
return;
}
sc->sc_tec = (struct cg6_tec_xxx *)bh;
if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
sa->sa_offset + CGSIX_FBC_OFFSET,
sizeof(*sc->sc_fbc),
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map FBC registers\n", self->dv_xname);
return;
}
sc->sc_fbc = (struct cg6_fbc *)bh;
sbus_establish(sd, &sc->sc_dev);
name = getpropstring(node, "model");
isconsole = fb_is_console(node);
if (isconsole && cgsix_use_rasterconsole) {
int ramsize = fb->fb_type.fb_height * fb->fb_linebytes;
if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
sa->sa_offset + CGSIX_RAM_OFFSET,
ramsize,
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map pixels\n", self->dv_xname);
return;
}
sc->sc_fb.fb_pixels = (caddr_t)bh;
}
cg6attach(sc, name, isconsole);
}