/* $NetBSD: ffb_mainbus.c,v 1.15 2018/09/03 16:29:27 riastradh Exp $ */

/* $NetBSD: ffb_mainbus.c,v 1.15 2018/09/03 16:29:27 riastradh Exp $ */
/* $OpenBSD: creator_mainbus.c,v 1.4 2002/07/26 16:39:04 jason Exp $ */

/*
* Copyright (c) 2002 Jason L. Wright ([email protected]),
* Federico G. Schwindt ([email protected])
* 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 1.15 2018/09/03 16:29:27 riastradh Exp $");

#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>

#include <sys/bus.h>
#include <machine/autoconf.h>
#include <machine/openfirm.h>

#include <dev/wscons/wsconsio.h>
#include <dev/sun/fbio.h>
#include <dev/sun/fbvar.h>

#include <sparc64/dev/ffbreg.h>
#include <sparc64/dev/ffbvar.h>

extern int prom_stdout_node;

int ffb_mainbus_match(device_t, cfdata_t, void *);
void ffb_mainbus_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(ffb_mainbus, sizeof(struct ffb_softc),
ffb_mainbus_match, ffb_mainbus_attach, NULL, NULL);

int
ffb_mainbus_match(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux)
{
struct ffb_softc *sc = device_private(self);
struct mainbus_attach_args *ma = aux;
int i, nregs;

sc->sc_dev = self;
sc->sc_bt = ma->ma_bustag;

nregs = uimin(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_FBC].ur_paddr,
ma->ma_reg[FFB_REG_FBC].ur_len, 0, &sc->sc_fbc_h)) {
printf(": failed to map fbc\n");
goto fail1;
}

if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DAC].ur_paddr,
ma->ma_reg[FFB_REG_DAC].ur_len, 0, &sc->sc_dac_h)) {
printf(": failed to map dac\n");
goto unmap_fbc;
}

if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_SFB32].ur_paddr,
ma->ma_reg[FFB_REG_SFB32].ur_len,
BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE,
&sc->sc_sfb32_h)) {
panic(": failed to map SFB32\n");
goto unmap_dac;
}
sc->sc_sfb32 = bus_space_vaddr(sc->sc_bt, sc->sc_sfb32_h);

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(self);

return;

unmap_dac:
bus_space_unmap(sc->sc_bt, sc->sc_dac_h,
ma->ma_reg[FFB_REG_DAC].ur_len);

unmap_fbc:
bus_space_unmap(sc->sc_bt, sc->sc_fbc_h,
ma->ma_reg[FFB_REG_FBC].ur_len);
fail1:
return;
}