NetBSD/sys/arch/sparc64/dev/ffb_mainbus.c

138 lines
4.1 KiB
C

/* $NetBSD: ffb_mainbus.c,v 1.3 2004/03/19 21:10:31 petrov Exp $ */
/* $OpenBSD: creator_mainbus.c,v 1.4 2002/07/26 16:39:04 jason Exp $ */
/*
* Copyright (c) 2002 Jason L. Wright (jason@thought.net),
* Federico G. Schwindt (fgsch@openbsd.org)
* All rights reserved.
*
* 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 Jason L. Wright
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ffb_mainbus.c,v 1.3 2004/03/19 21:10:31 petrov Exp $");
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <machine/openfirm.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/wscons/wscons_raster.h>
#include <dev/rasops/rasops.h>
#include <sparc64/dev/ffbreg.h>
#include <sparc64/dev/ffbvar.h>
extern int prom_stdout_node;
int ffb_mainbus_match(struct device *, struct cfdata *, void *);
void ffb_mainbus_attach(struct device *, struct device *, void *);
CFATTACH_DECL(ffb_mainbus, sizeof(struct ffb_softc),
ffb_mainbus_match, ffb_mainbus_attach, NULL, NULL);
int
ffb_mainbus_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct mainbus_attach_args *ma = aux;
if (strcmp(ma->ma_name, "SUNW,ffb") == 0 ||
strcmp(ma->ma_name, "SUNW,afb") == 0)
return (1);
return (0);
}
void
ffb_mainbus_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ffb_softc *sc = (struct ffb_softc *)self;
struct mainbus_attach_args *ma = aux;
int i, nregs;
sc->sc_bt = ma->ma_bustag;
nregs = min(ma->ma_nreg, FFB_NREGS);
if (nregs < FFB_REG_DFB24) {
printf(": no dfb24 regs found\n");
goto fail1;
}
if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DFB24].ur_paddr,
ma->ma_reg[FFB_REG_DFB24].ur_len, BUS_SPACE_MAP_LINEAR,
&sc->sc_pixel_h)) {
printf(": failed to map dfb24\n");
goto fail1;
}
if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_FBC].ur_paddr,
ma->ma_reg[FFB_REG_FBC].ur_len, 0, &sc->sc_fbc_h)) {
printf(": failed to map fbc\n");
goto fail;
}
for (i = 0; i < nregs; i++) {
sc->sc_addrs[i] = ma->ma_reg[i].ur_paddr;
sc->sc_sizes[i] = ma->ma_reg[i].ur_len;
}
sc->sc_nreg = nregs;
sc->sc_console = (prom_stdout_node == ma->ma_node);
sc->sc_node = ma->ma_node;
if (strcmp(ma->ma_name, "SUNW,afb") == 0)
sc->sc_type = FFB_AFB;
ffb_attach(sc);
return;
fail:
#if 0
if (sc->sc_fbc_h != 0)
bus_space_unmap(sc->sc_bt, sc->sc_fbc_h,
ma->ma_reg[FFB_REG_FBC].ur_len);
#endif
/* if (sc->sc_pixel_h != 0) */
bus_space_unmap(sc->sc_bt, sc->sc_pixel_h,
ma->ma_reg[FFB_REG_DFB24].ur_len);
fail1:
return;
}