/*      $NetBSD: gftty_mainbus.c,v 1.2 2024/01/06 17:52:43 thorpej Exp $        */

/*-
* Copyright (c) 2023, 2024 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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.
*
* 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.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: gftty_mainbus.c,v 1.2 2024/01/06 17:52:43 thorpej Exp $");

#include <sys/types.h>
#include <sys/bus.h>
#include <sys/device.h>
#include <sys/intr.h>
#include <sys/systm.h>

#include <virt68k/dev/mainbusvar.h>

#include <dev/goldfish/gfttyvar.h>

static const struct device_compatible_entry compat_data[] = {
       { .compat = "google,goldfish-tty" },
       DEVICE_COMPAT_EOL
};


static int
gftty_mainbus_match(device_t parent, cfdata_t cf, void *aux)
{
       struct mainbus_attach_args * const ma = aux;

       return mainbus_compatible_match(ma, compat_data);
}

static void
gftty_mainbus_attach(device_t parent, device_t self, void *aux)
{
       struct gftty_softc * const sc = device_private(self);
       struct mainbus_attach_args * const ma = aux;
       char strbuf[INTR_STRING_BUFSIZE];

       sc->sc_dev = self;

       if (! gftty_is_console(sc)) {
               bus_space_handle_t bsh;

               if (bus_space_map(ma->ma_st, ma->ma_addr, ma->ma_size, 0,
                                 &bsh) != 0) {
                       aprint_error(": couldn't map registers\n");
                       return;
               }
               gftty_alloc_config(sc, ma->ma_st, bsh);
       }

       sc->sc_dmat = ma->ma_dmat;

       gftty_attach(sc);
       if (sc->sc_tty != NULL) {
               /* Attach was successful. Set up interrupt. */
               sc->sc_ih = intr_establish(gftty_intr, sc,
                   ma->ma_irq, IPL_TTY, 0);
               if (sc->sc_ih == NULL) {
                       aprint_error_dev(self,
                           "couldn't install interrupt handler\n");
                       return;
               }
               aprint_normal_dev(self, "interrupting at %s\n",
                   intr_string(sc->sc_ih, strbuf, sizeof(strbuf)));
       }
}

CFATTACH_DECL_NEW(gftty_mainbus, sizeof(struct gftty_softc),
       gftty_mainbus_match, gftty_mainbus_attach, NULL, NULL);