205 lines
6.1 KiB
C
205 lines
6.1 KiB
C
/* $NetBSD: cgsix_sbus.c,v 1.13 2004/03/17 17:04:58 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/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: cgsix_sbus.c,v 1.13 2004/03/17 17:04:58 pk Exp $");
|
|
|
|
#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 cgsix softc */
|
|
struct cgsix_sbus_softc {
|
|
struct cgsix_softc bss_softc;
|
|
struct sbusdev bss_sd;
|
|
};
|
|
|
|
CFATTACH_DECL(cgsix_sbus, sizeof(struct cgsix_sbus_softc),
|
|
cgsixmatch, cgsixattach, NULL, NULL);
|
|
|
|
/*
|
|
* 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_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_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_slot, 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, &bh) != 0) {
|
|
printf("%s: cannot map brooktree registers\n", self->dv_xname);
|
|
return;
|
|
}
|
|
sc->sc_bt = (struct bt_regs *)bus_space_vaddr(sa->sa_bustag, 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, &bh) != 0) {
|
|
printf("%s: cannot map FHC registers\n", self->dv_xname);
|
|
return;
|
|
}
|
|
sc->sc_fhc = (int *)bus_space_vaddr(sa->sa_bustag, 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, &bh) != 0) {
|
|
printf("%s: cannot map THC registers\n", self->dv_xname);
|
|
return;
|
|
}
|
|
sc->sc_thc = (struct cg6_thc *)bus_space_vaddr(sa->sa_bustag, 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, &bh) != 0) {
|
|
printf("%s: cannot map TEC registers\n", self->dv_xname);
|
|
return;
|
|
}
|
|
sc->sc_tec = (struct cg6_tec_xxx *)bus_space_vaddr(sa->sa_bustag, 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, &bh) != 0) {
|
|
printf("%s: cannot map FBC registers\n", self->dv_xname);
|
|
return;
|
|
}
|
|
sc->sc_fbc = (struct cg6_fbc *)bus_space_vaddr(sa->sa_bustag, bh);
|
|
|
|
sbus_establish(sd, &sc->sc_dev);
|
|
name = prom_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, &bh) != 0) {
|
|
printf("%s: cannot map pixels\n", self->dv_xname);
|
|
return;
|
|
}
|
|
sc->sc_fb.fb_pixels = (caddr_t)bus_space_vaddr(sa->sa_bustag,
|
|
bh);
|
|
}
|
|
|
|
cg6attach(sc, name, isconsole);
|
|
}
|