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attimer_isa.c revision 1.13 
      1  1.13  jmcneill /*	$NetBSD: attimer_isa.c,v 1.13 2009/08/23 16:02:53 jmcneill Exp $	*/
      2   1.1      cube 
      3   1.1      cube /*
      4   1.1      cube  *  Copyright (c) 2005 The NetBSD Foundation.
      5   1.1      cube  *  All rights reserved.
      6   1.1      cube  *
      7   1.1      cube  *  Redistribution and use in source and binary forms, with or without
      8   1.1      cube  *  modification, are permitted provided that the following conditions
      9   1.1      cube  *  are met:
     10   1.1      cube  *  1. Redistributions of source code must retain the above copyright
     11   1.1      cube  *     notice, this list of conditions and the following disclaimer.
     12   1.1      cube  *  2. Redistributions in binary form must reproduce the above copyright
     13   1.1      cube  *     notice, this list of conditions and the following disclaimer in the
     14   1.1      cube  *     documentation and/or other materials provided with the distribution.
     15   1.1      cube  *
     16   1.1      cube  *  THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17   1.1      cube  *  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18   1.1      cube  *  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19   1.1      cube  *  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20   1.1      cube  *  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21   1.1      cube  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22   1.1      cube  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23   1.1      cube  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24   1.1      cube  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25   1.1      cube  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26   1.1      cube  *  POSSIBILITY OF SUCH DAMAGE.
     27   1.1      cube  */
     28   1.1      cube 
     29   1.1      cube /*
     30   1.1      cube  * Copyright (c) 1996 Carnegie-Mellon University.
     31   1.1      cube  * All rights reserved.
     32   1.1      cube  *
     33   1.1      cube  * Author: Chris G. Demetriou
     34   1.1      cube  *
     35   1.1      cube  * Permission to use, copy, modify and distribute this software and
     36   1.1      cube  * its documentation is hereby granted, provided that both the copyright
     37   1.1      cube  * notice and this permission notice appear in all copies of the
     38   1.1      cube  * software, derivative works or modified versions, and any portions
     39   1.1      cube  * thereof, and that both notices appear in supporting documentation.
     40   1.1      cube  *
     41   1.1      cube  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     42   1.1      cube  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     43   1.1      cube  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     44   1.1      cube  *
     45   1.1      cube  * Carnegie Mellon requests users of this software to return to
     46   1.1      cube  *
     47   1.1      cube  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     48   1.1      cube  *  School of Computer Science
     49   1.1      cube  *  Carnegie Mellon University
     50   1.1      cube  *  Pittsburgh PA 15213-3890
     51   1.1      cube  *
     52   1.1      cube  * any improvements or extensions that they make and grant Carnegie the
     53   1.1      cube  * rights to redistribute these changes.
     54   1.1      cube  */
     55   1.1      cube 
     56   1.1      cube /*
     57   1.1      cube  * ISA attachment for attimer(4)
     58   1.1      cube  */
     59   1.1      cube 
     60   1.1      cube #include <sys/cdefs.h>
     61  1.13  jmcneill __KERNEL_RCSID(0, "$NetBSD: attimer_isa.c,v 1.13 2009/08/23 16:02:53 jmcneill Exp $");
     62   1.1      cube 
     63   1.1      cube #include <sys/param.h>
     64   1.1      cube #include <sys/systm.h>
     65   1.1      cube #include <sys/errno.h>
     66   1.1      cube #include <sys/ioctl.h>
     67   1.1      cube #include <sys/device.h>
     68   1.1      cube #include <sys/proc.h>
     69   1.1      cube 
     70   1.7        ad #include <sys/bus.h>
     71   1.1      cube 
     72   1.1      cube #include <dev/ic/attimervar.h>
     73   1.1      cube 
     74   1.1      cube #include <dev/isa/isareg.h>
     75   1.1      cube #include <dev/isa/isavar.h>
     76   1.1      cube 
     77  1.12    cegger static int	attimer_isa_match(device_t, cfdata_t, void *);
     78   1.8    dyoung static void	attimer_isa_attach(device_t, device_t, void *);
     79   1.1      cube 
     80  1.10      cube CFATTACH_DECL_NEW(attimer_isa, sizeof(struct attimer_softc),
     81   1.9    dyoung     attimer_isa_match, attimer_isa_attach, attimer_detach, NULL);
     82   1.1      cube 
     83   1.1      cube static int
     84  1.10      cube attimer_isa_match(device_t parent, cfdata_t match, void *aux)
     85   1.1      cube {
     86   1.1      cube 	struct isa_attach_args *ia = aux;
     87   1.1      cube 	bus_space_handle_t att_ioh;
     88   1.1      cube 
     89   1.1      cube 	if (ISA_DIRECT_CONFIG(ia))
     90   1.1      cube 		return (0);
     91   1.1      cube 
     92   1.1      cube 	/* If values are hardwired to something that they can't be, punt. */
     93   1.1      cube 	if (ia->ia_nio < 1 ||
     94   1.1      cube 	    (ia->ia_io[0].ir_addr != ISA_UNKNOWN_PORT &&
     95   1.1      cube 	    ia->ia_io[0].ir_addr != IO_TIMER1))
     96   1.1      cube 		return (0);
     97   1.1      cube 
     98   1.1      cube 	if (ia->ia_niomem > 0 &&
     99   1.1      cube 	    (ia->ia_iomem[0].ir_addr != ISA_UNKNOWN_IOMEM))
    100   1.1      cube 		return (0);
    101   1.1      cube 
    102   1.1      cube 	if (ia->ia_nirq > 0 &&
    103   1.1      cube 	    (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ))
    104   1.1      cube 		return (0);
    105   1.1      cube 
    106   1.1      cube 	if (ia->ia_ndrq > 0 &&
    107   1.1      cube 	    (ia->ia_drq[0].ir_drq != ISA_UNKNOWN_DRQ))
    108   1.1      cube 		return (0);
    109   1.1      cube 
    110   1.1      cube 	if (bus_space_map(ia->ia_iot, IO_TIMER1, 4, 0, &att_ioh))
    111   1.1      cube 		return 0;
    112   1.1      cube 	bus_space_unmap(ia->ia_iot, att_ioh, 4);
    113   1.1      cube 
    114   1.1      cube 	ia->ia_io[0].ir_addr = IO_TIMER1;
    115   1.1      cube 	ia->ia_io[0].ir_size = 4;
    116   1.1      cube 	ia->ia_nio = 1;
    117   1.1      cube 
    118   1.1      cube 	ia->ia_niomem = 0;
    119   1.1      cube 	ia->ia_nirq = 0;
    120   1.1      cube 	ia->ia_ndrq = 0;
    121   1.1      cube 
    122   1.1      cube 	return 1;
    123   1.1      cube }
    124   1.1      cube 
    125   1.1      cube static void
    126   1.8    dyoung attimer_isa_attach(device_t parent, device_t self, void *aux)
    127   1.1      cube {
    128   1.8    dyoung 	struct attimer_softc *sc = device_private(self);
    129   1.1      cube 	struct isa_attach_args *ia = aux;
    130   1.1      cube 
    131  1.10      cube 	sc->sc_dev = self;
    132   1.1      cube 	sc->sc_iot = ia->ia_iot;
    133   1.1      cube 
    134  1.13  jmcneill 	aprint_naive("\n");
    135  1.13  jmcneill 	aprint_normal("\n");
    136   1.1      cube 
    137   1.9    dyoung 	sc->sc_size = 4;
    138   1.9    dyoung 	if (bus_space_map(sc->sc_iot, IO_TIMER1, sc->sc_size, 0,
    139   1.9    dyoung 	                  &sc->sc_ioh) != 0)
    140  1.10      cube 		aprint_error_dev(self, "could not map registers\n");
    141   1.1      cube 	else
    142   1.1      cube 		attimer_attach(sc);
    143   1.1      cube }
    144