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      1 /*	$NetBSD: ohci_arbus.c,v 1.6 2021/11/10 17:19:29 msaitoh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998, 1999, 2000, 2002, 2003 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Herb Peyerl of Middle Digital Inc.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "locators.h"
     33 
     34 #include <sys/cdefs.h>
     35 __KERNEL_RCSID(0, "$NetBSD: ohci_arbus.c,v 1.6 2021/11/10 17:19:29 msaitoh Exp $");
     36 
     37 #include <sys/param.h>
     38 #include <sys/systm.h>
     39 #include <sys/device.h>
     40 #include <sys/bus.h>
     41 
     42 #include <dev/usb/usb.h>
     43 #include <dev/usb/usbdi.h>
     44 #include <dev/usb/usbdivar.h>
     45 #include <dev/usb/usb_mem.h>
     46 
     47 #include <dev/usb/ohcireg.h>
     48 #include <dev/usb/ohcivar.h>
     49 
     50 #include <mips/locore.h>
     51 
     52 #include <mips/atheros/include/arbusvar.h>
     53 
     54 static int	ohci_arbus_match(device_t, cfdata_t, void *);
     55 static void	ohci_arbus_attach(device_t, device_t, void *);
     56 
     57 CFATTACH_DECL_NEW(ohci_arbus, sizeof (ohci_softc_t),
     58     ohci_arbus_match, ohci_arbus_attach, NULL, NULL);
     59 
     60 int
     61 ohci_arbus_match(device_t parent, cfdata_t cf, void *aux)
     62 {
     63 	struct arbus_attach_args *aa = aux;
     64 	bus_space_handle_t bsh;
     65 
     66 	if (strcmp(aa->aa_name, cf->cf_name))
     67 		return 0;
     68 
     69 	if (bus_space_map(aa->aa_bst, aa->aa_addr, aa->aa_size, 0, &bsh) != 0)
     70 		return 0;
     71 
     72 	return 0; /* XXX */
     73 
     74 	if (badaddr((void *)bsh, 4) == -1) {
     75 		bus_space_unmap(aa->aa_bst, bsh, aa->aa_size);
     76 		return 0;
     77 	}
     78 
     79 	bus_space_unmap(aa->aa_bst, bsh, aa->aa_size);
     80 	return 1;
     81 }
     82 
     83 void
     84 ohci_arbus_attach(device_t parent, device_t self, void *aux)
     85 {
     86 	ohci_softc_t * const sc = device_private(self);
     87 	struct arbus_attach_args * const aa = aux;
     88 	void *ih = NULL;
     89 
     90 	sc->sc_dev = self;
     91 	sc->iot = aa->aa_bst;
     92 	sc->sc_size = aa->aa_size;
     93 	sc->sc_bus.ub_dmatag = aa->aa_dmat;
     94 	sc->sc_bus.ub_hcpriv = sc;
     95 
     96 	if (bus_space_map(sc->iot, aa->aa_addr, sc->sc_size, 0, &sc->ioh)) {
     97 		aprint_error_dev(self, "unable to map registers\n");
     98 		return;
     99 	}
    100 
    101 	/* Disable OHCI interrupts */
    102 	bus_space_write_4(sc->iot, sc->ioh, OHCI_INTERRUPT_DISABLE,
    103 	    OHCI_ALL_INTRS);
    104 
    105 	/* establish interrupt */
    106 	ih = arbus_intr_establish(aa->aa_cirq, aa->aa_mirq, ohci_intr, sc);
    107 	if (ih == NULL)
    108 		panic("%s: couldn't establish interrupt", device_xname(self));
    109 
    110 	/* we don't handle endianness in bus space */
    111 	sc->sc_endian = OHCI_LITTLE_ENDIAN;
    112 
    113 	int err = ohci_init(sc);
    114 	if (err) {
    115 		aprint_error_dev(self, "init failed, error=%d\n", err);
    116 		if (ih != NULL)
    117 			arbus_intr_disestablish(ih);
    118 		return;
    119 	}
    120 
    121 #if 0
    122 	if (psc->sc_ohci_devs[0] == NULL) {
    123 		psc->sc_ohci_devs[0] = self;
    124 	} else if (psc->sc_ohci_devs[1] == NULL) {
    125 		psc->sc_ohci_devs[1] = self;
    126 	} else {
    127 		panic("%s: too many ohci devices", __func__);
    128 	}
    129 #endif
    130 
    131 	/* Attach USB device */
    132 	sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint, CFARGS_NONE);
    133 }
    134