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      1 /*	$NetBSD: slhci_isa.c,v 1.15 2016/07/14 04:00:45 msaitoh 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 1.15 2016/07/14 04:00:45 msaitoh 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 (ia->ia_nio < 1)
     78 		goto out;
     79 	if (ia->ia_nirq < 1)
     80 		goto out;
     81 
     82 	if (ISA_DIRECT_CONFIG(ia))
     83 		goto out;
     84 
     85 	/* Disallow wildcarded i/o address. */
     86 	if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT)
     87 		goto out;
     88 
     89 	/* Don't allow wildcarded IRQ. */
     90 	if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ)
     91 		goto out;
     92 
     93 	if (bus_space_map(iot, ia->ia_io[0].ir_addr, SL11_PORTSIZE, 0, &ioh))
     94 		goto out;
     95 
     96 	bus_space_write_1(iot, ioh, SL11_IDX_ADDR, SL11_REV);
     97 	sltype = SL11_GET_REV(bus_space_read_1(iot, ioh, SL11_IDX_DATA));
     98 
     99 	result = slhci_supported_rev(sltype);
    100 
    101 	bus_space_unmap(iot, ioh, SL11_PORTSIZE);
    102 
    103  out:
    104 	if (result) {
    105 		ia->ia_nio = 1;
    106 		ia->ia_io[0].ir_size = SL11_PORTSIZE;
    107 
    108 		ia->ia_nirq = 1;
    109 
    110 		ia->ia_niomem = 0;
    111 		ia->ia_ndrq = 0;
    112 	}
    113 	return (result);
    114 }
    115 
    116 static void
    117 slhci_isa_attach(device_t parent, device_t self, void *aux)
    118 {
    119 	struct slhci_isa_softc *isc = device_private(self);
    120 	struct slhci_softc *sc = &isc->sc;
    121 	struct isa_attach_args *ia = aux;
    122 	bus_space_tag_t iot = ia->ia_iot;
    123 	bus_space_handle_t ioh;
    124 
    125 	sc->sc_dev = self;
    126 	sc->sc_bus.ub_hcpriv = sc;
    127 
    128 	printf("\n"); /* XXX still needed? */
    129 
    130 	/* Map I/O space */
    131 	if (bus_space_map(iot, ia->ia_io[0].ir_addr, SL11_PORTSIZE, 0, &ioh)) {
    132 		aprint_error("%s: can't map I/O space\n", SC_NAME(sc));
    133 		return;
    134 	}
    135 
    136 	/* Initialize sc XXX power value unconfirmed */
    137 	slhci_preinit(sc, NULL, iot, ioh, 500, SL11_IDX_DATA);
    138 
    139 	/* Establish the interrupt handler */
    140 	isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
    141 	    IST_EDGE, IPL_USB, slhci_intr, sc);
    142 	if (isc->sc_ih == NULL) {
    143 		aprint_error("%s: can't establish interrupt\n", SC_NAME(sc));
    144 		return;
    145 	}
    146 
    147 	/* Attach SL811HS/T */
    148 	if (slhci_attach(sc))
    149 		aprint_error("%s: slhci_attach failed\n", SC_NAME(sc));
    150 }
    151