/*      $NetBSD: slhci_isa.c,v 1.15 2016/07/14 04:00:45 msaitoh Exp $   */

/*
* Copyright (c) 2001 Kiyoshi Ikehara. 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 Kiyoshi Ikehara.
* 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.
*/

/*
* ISA-USB host board
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: slhci_isa.c,v 1.15 2016/07/14 04:00:45 msaitoh Exp $");

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

#include <sys/bus.h>
#include <sys/cpu.h>

#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>

#include <dev/ic/sl811hsreg.h>
#include <dev/ic/sl811hsvar.h>

#include <dev/isa/isavar.h>

struct slhci_isa_softc {
       struct slhci_softc sc;
       isa_chipset_tag_t sc_ic;
       void    *sc_ih;
};

static int  slhci_isa_match(device_t, cfdata_t, void *);
static void slhci_isa_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(slhci_isa, sizeof(struct slhci_isa_softc),
   slhci_isa_match, slhci_isa_attach, NULL, slhci_activate);

static int
slhci_isa_match(device_t parent, cfdata_t cf, void *aux)
{
       struct isa_attach_args *ia = aux;
       bus_space_tag_t iot = ia->ia_iot;
       bus_space_handle_t ioh;
       int result = 0;
       uint8_t sltype;

       if (ia->ia_nio < 1)
               goto out;
       if (ia->ia_nirq < 1)
               goto out;

       if (ISA_DIRECT_CONFIG(ia))
               goto out;

       /* Disallow wildcarded i/o address. */
       if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT)
               goto out;

       /* Don't allow wildcarded IRQ. */
       if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ)
               goto out;

       if (bus_space_map(iot, ia->ia_io[0].ir_addr, SL11_PORTSIZE, 0, &ioh))
               goto out;

       bus_space_write_1(iot, ioh, SL11_IDX_ADDR, SL11_REV);
       sltype = SL11_GET_REV(bus_space_read_1(iot, ioh, SL11_IDX_DATA));

       result = slhci_supported_rev(sltype);

       bus_space_unmap(iot, ioh, SL11_PORTSIZE);

out:
       if (result) {
               ia->ia_nio = 1;
               ia->ia_io[0].ir_size = SL11_PORTSIZE;

               ia->ia_nirq = 1;

               ia->ia_niomem = 0;
               ia->ia_ndrq = 0;
       }
       return (result);
}

static void
slhci_isa_attach(device_t parent, device_t self, void *aux)
{
       struct slhci_isa_softc *isc = device_private(self);
       struct slhci_softc *sc = &isc->sc;
       struct isa_attach_args *ia = aux;
       bus_space_tag_t iot = ia->ia_iot;
       bus_space_handle_t ioh;

       sc->sc_dev = self;
       sc->sc_bus.ub_hcpriv = sc;

       printf("\n"); /* XXX still needed? */

       /* Map I/O space */
       if (bus_space_map(iot, ia->ia_io[0].ir_addr, SL11_PORTSIZE, 0, &ioh)) {
               aprint_error("%s: can't map I/O space\n", SC_NAME(sc));
               return;
       }

       /* Initialize sc XXX power value unconfirmed */
       slhci_preinit(sc, NULL, iot, ioh, 500, SL11_IDX_DATA);

       /* Establish the interrupt handler */
       isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
           IST_EDGE, IPL_USB, slhci_intr, sc);
       if (isc->sc_ih == NULL) {
               aprint_error("%s: can't establish interrupt\n", SC_NAME(sc));
               return;
       }

       /* Attach SL811HS/T */
       if (slhci_attach(sc))
               aprint_error("%s: slhci_attach failed\n", SC_NAME(sc));
}