xref: /src/sys/arch/hpcmips/vr/ite8181_vrip.c

/*	$NetBSD: ite8181_vrip.c,v 1.10 2012/10/27 17:17:55 chs Exp $	*/

/*-
 * Copyright (c) 2000 SATO Kazumi
 * 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. 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 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 AUTHOR 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.
 *
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ite8181_vrip.c,v 1.10 2012/10/27 17:17:55 chs Exp $");

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

#include <machine/bus.h>

#include "opt_vr41xx.h"
#include <hpcmips/vr/vrcpudef.h>
#include <hpcmips/vr/vripif.h>
#include <hpcmips/dev/ite8181var.h>
#include "bivideo.h"
#if NBIVIDEO > 0
#include <dev/hpc/bivideovar.h>
#endif

#include "locators.h"

struct ite8181_vrip_softc {
	struct ite8181_softc	sc_ite8181;
};

static int	ite8181_vrip_probe(device_t, cfdata_t, void *);
static void	ite8181_vrip_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(ite8181video_vrip, sizeof(struct ite8181_vrip_softc),
    ite8181_vrip_probe, ite8181_vrip_attach, NULL, NULL);

static int
ite8181_vrip_probe(device_t parent, cfdata_t cf, void *aux)
{
	struct vrip_attach_args *va = aux;
	bus_space_handle_t ioh;
	int res;

	if (va->va_addr == VRIPIFCF_ADDR_DEFAULT)
		return (0);

#if NBIVIDEO > 0
	if (bivideo_dont_attach) /* already attach video driver */
		return 0;
#endif /* NBIVIDEO > 0 */

	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0, &ioh)) {
		printf("ite8181_vrip_probe: can't map i/o space\n");
		return 0;
	}
	res = ite8181_probe(va->va_iot, ioh);
	bus_space_unmap(va->va_iot, ioh, va->va_size);

	return (res);
}


static void
ite8181_vrip_attach(device_t parent, device_t self, void *aux)
{
	struct ite8181_vrip_softc *vsc = device_private(self);
	struct ite8181_softc *sc = &vsc->sc_ite8181;
	struct vrip_attach_args *va = aux;

	sc->sc_dev = self;
	sc->sc_baseaddr = va->va_addr;
	sc->sc_iot = va->va_iot;
	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0,
			  &sc->sc_ioh)) {
		printf(": can't map bus space\n");
		return;
	}

	ite8181_attach(sc);
}