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slhci_isa.c revision 1.6.18.1 
      1 /*	$NetBSD: slhci_isa.c,v 1.6.18.1 2007/05/22 14:57:32 itohy 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 1.6.18.1 2007/05/22 14:57:32 itohy Exp $");
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/device.h>
     43 
     44 #include <machine/bus.h>
     45 #include <machine/cpu.h>
     46 
     47 #include <dev/usb/usb.h>
     48 #include <dev/usb/usbdi.h>
     49 #include <dev/usb/usbdivar.h>
     50 #include <dev/usb/usb_mem_nodma.h>
     51 
     52 #include <dev/ic/sl811hsreg.h>
     53 #include <dev/ic/sl811hsvar.h>
     54 
     55 #include <dev/isa/isavar.h>
     56 
     57 struct slhci_isa_softc {
     58 	struct slhci_softc sc;
     59 	isa_chipset_tag_t sc_ic;
     60 	void	*sc_ih;
     61 };
     62 
     63 static int  slhci_isa_match(struct device *, struct cfdata *, void *);
     64 static void slhci_isa_attach(struct device *, struct device *, void *);
     65 
     66 CFATTACH_DECL(slhci_isa, sizeof(struct slhci_isa_softc),
     67     slhci_isa_match, slhci_isa_attach, NULL, NULL);
     68 
     69 static int
     70 slhci_isa_match(struct device *parent, struct cfdata *cf,
     71     void *aux)
     72 {
     73 	struct slhci_softc sc;
     74 	struct isa_attach_args *ia = aux;
     75 	bus_space_tag_t iot = ia->ia_iot;
     76 	bus_space_handle_t ioh;
     77 	int result = 0;
     78 
     79 	if (bus_space_map(iot, ia->ia_io[0].ir_addr, SL11_PORTSIZE, 0, &ioh))
     80 		goto out;
     81 
     82 	memset(&sc, 0, sizeof(sc));
     83 	sc.sc_iot = iot;
     84 	sc.sc_ioh = ioh;
     85 	if (sl811hs_find(&sc) >= 0)
     86 		result = 1;
     87 
     88 	bus_space_unmap(iot, ioh, SL11_PORTSIZE);
     89 
     90  out:
     91 	return (result);
     92 }
     93 
     94 static void
     95 slhci_isa_attach(struct device *parent, struct device *self, void *aux)
     96 {
     97 	struct slhci_isa_softc *isc = (struct slhci_isa_softc *)self;
     98 	struct slhci_softc *sc = &isc->sc;
     99 	struct isa_attach_args *ia = aux;
    100 	bus_space_tag_t iot = ia->ia_iot;
    101 	bus_space_handle_t ioh;
    102 
    103 	printf("\n");
    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",
    108 			sc->sc_bus.bdev.dv_xname);
    109 		return;
    110 	}
    111 
    112 	/* Initialize sc */
    113 	sc->sc_iot = iot;
    114 	sc->sc_ioh = ioh;
    115 	sc->sc_enable_power = NULL;
    116 	sc->sc_enable_intr  = NULL;
    117 	sc->sc_arg = isc;
    118 
    119 	/* Establish the interrupt handler */
    120 	isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
    121 					IST_EDGE, IPL_USB, slhci_intr, sc);
    122 	if (isc->sc_ih == NULL) {
    123 		printf("%s: can't establish interrupt\n",
    124 			sc->sc_bus.bdev.dv_xname);
    125 		return;
    126 	}
    127 
    128 	/* Attach SL811HS/T */
    129 	if (slhci_attach(sc))
    130 		return;
    131 }
    132