sys/dev/isa/slhci_isa.c

   1 /*      $NetBSD: slhci_isa.c,v 1.10 2009/05/12 08:44:19 cegger Exp $    */
   2
   3 /*
   4  * Copyright (c) 2001 Kiyoshi Ikehara. All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by Kiyoshi Ikehara.
  17  * 4. The name of the author may not be used to endorse or promote products
  18  *    derived from this software without specific prior written permission
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  25  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  26  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  27  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * ISA-USB host board
  35  */
  36
  37 #include <sys/cdefs.h>
  38 __KERNEL_RCSID(0, "$NetBSD: slhci_isa.c,v 1.10 2009/05/12 08:44:19 cegger Exp $");
  39
  40 #include <sys/param.h>
  41 #include <sys/systm.h>
  42 #include <sys/device.h>
  43
  44 #include <sys/bus.h>
  45 #include <sys/cpu.h>
  46
  47 #include <dev/usb/usb.h>
  48 #include <dev/usb/usbdi.h>
  49 #include <dev/usb/usbdivar.h>
  50
  51 #include <dev/ic/sl811hsreg.h>
  52 #include <dev/ic/sl811hsvar.h>
  53
  54 #include <dev/isa/isavar.h>
  55
  56 struct slhci_isa_softc {
  57         struct slhci_softc sc;
  58         isa_chipset_tag_t sc_ic;
  59         void    *sc_ih;
  60 };
  61
  62 static int  slhci_isa_match(device_t, cfdata_t, void *);
  63 static void slhci_isa_attach(device_t, device_t, void *);
  64
  65 CFATTACH_DECL_NEW(slhci_isa, sizeof(struct slhci_isa_softc),
  66     slhci_isa_match, slhci_isa_attach, NULL, slhci_activate);
  67
  68 static int
  69 slhci_isa_match(device_t parent, cfdata_t cf, void *aux)
  70 {
  71         struct isa_attach_args *ia = aux;
  72         bus_space_tag_t iot = ia->ia_iot;
  73         bus_space_handle_t ioh;
  74         int result = 0;
  75         uint8_t sltype;
  76
  77         if (bus_space_map(iot, ia->ia_io[0].ir_addr, SL11_PORTSIZE, 0, &ioh))
  78                 goto out;
  79
  80         bus_space_write_1(iot, ioh, SL11_IDX_ADDR, SL11_REV);
  81         sltype = SL11_GET_REV(bus_space_read_1(iot, ioh, SL11_IDX_DATA));
  82
  83         result = slhci_supported_rev(sltype);
  84
  85         bus_space_unmap(iot, ioh, SL11_PORTSIZE);
  86
  87  out:
  88         return (result);
  89 }
  90
  91 static void
  92 slhci_isa_attach(device_t parent, device_t self, void *aux)
  93 {
  94         struct slhci_isa_softc *isc = device_private(self);
  95         struct slhci_softc *sc = &isc->sc;
  96         struct isa_attach_args *ia = aux;
  97         bus_space_tag_t iot = ia->ia_iot;
  98         bus_space_handle_t ioh;
  99
 100         sc->sc_dev = self;
 101         sc->sc_bus.hci_private = self;
 102
 103         printf("\n"); /* XXX still needed? */
 104
 105         /* Map I/O space */
 106         if (bus_space_map(iot, ia->ia_io[0].ir_addr, SL11_PORTSIZE, 0, &ioh)) {
 107                 printf("%s: can't map I/O space\n", SC_NAME(sc));
 108                 return;
 109         }
 110
 111         /* Initialize sc XXX power value unconfirmed */
 112         slhci_preinit(sc, NULL, iot, ioh, 30, SL11_IDX_DATA);
 113
 114         /* Establish the interrupt handler */
 115         isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
 116                                         IST_EDGE, IPL_USB, slhci_intr, sc);
 117         if (isc->sc_ih == NULL) {
 118                 printf("%s: can't establish interrupt\n", SC_NAME(sc));
 119                 return;
 120         }
 121
 122         /* Attach SL811HS/T */
 123         if (slhci_attach(sc))
 124                 printf("%s: slhci_attach failed\n", SC_NAME(sc));
 125 }