/* $NetBSD: ohci_hollywood.c,v 1.3 2024/09/22 13:56:25 jmcneill Exp $ */

/*-
* Copyright (c) 2024 Jared McNeill <[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.
*
* 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: ohci_hollywood.c,v 1.3 2024/09/22 13:56:25 jmcneill Exp $");

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

#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <dev/usb/usb_mem.h>
#include <dev/usb/ohcireg.h>
#include <dev/usb/ohcivar.h>

#include <machine/wii.h>
#include <machine/pio.h>
#include "hollywood.h"

#define USB_CHICKENBITS         0x0d0400cc
#define  OHCI_INTR_ENABLE       0x000e1800

extern struct powerpc_bus_dma_tag wii_mem2_bus_dma_tag;

static int      ohci_hollywood_match(device_t, cfdata_t, void *);
static void     ohci_hollywood_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(ohci_hollywood, sizeof(struct ohci_softc),
       ohci_hollywood_match, ohci_hollywood_attach, NULL, NULL);

static int
ohci_hollywood_match(device_t parent, cfdata_t cf, void *aux)
{
       return 1;
}

static void
ohci_hollywood_attach(device_t parent, device_t self, void *aux)
{
       struct hollywood_attach_args *haa = aux;
       struct ohci_softc *sc = device_private(self);
       int error;

       sc->sc_dev = self;
       sc->sc_bus.ub_hcpriv = sc;
       sc->sc_bus.ub_dmatag = &wii_mem2_bus_dma_tag;
       sc->sc_flags = 0;
       sc->sc_size = 0x200;
       sc->iot = haa->haa_bst;
       error = bus_space_map(sc->iot, haa->haa_addr, sc->sc_size, 0, &sc->ioh);
       if (error != 0) {
               aprint_error(": couldn't map registers (%d)\n", error);
               return;
       }

       aprint_naive("\n");
       aprint_normal(": OHCI\n");

       hollywood_claim_device(self,
           device_unit(self) == 0 ? IOPOH0EN : IOPOH1EN);

       bus_space_write_4(sc->iot, sc->ioh, OHCI_INTERRUPT_DISABLE,
           OHCI_ALL_INTRS);

       out32(USB_CHICKENBITS, in32(USB_CHICKENBITS) | OHCI_INTR_ENABLE);

       hollywood_intr_establish(haa->haa_irq, IPL_USB, ohci_intr, sc,
           device_xname(self));

       error = ohci_init(sc);
       if (error != 0) {
               aprint_error_dev(self, "init failed, error = %d\n", error);
               return;
       }

       sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint,
           CFARGS_NONE);
}