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hpcout.c revision 1.12.10.2 
      1 /*	$NetBSD: hpcout.c,v 1.12.10.2 2009/05/16 10:41:21 yamt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: hpcout.c,v 1.12.10.2 2009/05/16 10:41:21 yamt Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/device.h>
     38 
     39 #include <machine/config_hook.h>
     40 #include <sys/bus.h>
     41 
     42 #include <dev/hpc/hpciovar.h>
     43 #include <dev/hpc/hpciomanvar.h>
     44 
     45 #include "locators.h"
     46 
     47 int	hpcout_match(device_t, cfdata_t, void *);
     48 void	hpcout_attach(device_t, device_t, void *);
     49 int	hpcout_hook(void *, int, long, void *);
     50 
     51 struct hpcout_softc {
     52 	struct device sc_dev;
     53 	struct hpcioman_attach_args sc_hma;
     54 };
     55 
     56 #define sc_hc		sc_hma.hma_hc
     57 #define sc_intr_mode	sc_hma.hma_intr_mode
     58 #define sc_type		sc_hma.hma_type
     59 #define sc_id		sc_hma.hma_id
     60 #define sc_port		sc_hma.hma_port
     61 #define sc_initvalue	sc_hma.hma_initvalue
     62 #define sc_on		sc_hma.hma_on
     63 #define sc_off		sc_hma.hma_off
     64 
     65 CFATTACH_DECL(hpcout, sizeof(struct hpcout_softc),
     66     hpcout_match, hpcout_attach, NULL, NULL);
     67 
     68 int
     69 hpcout_match(device_t parent, cfdata_t cf, void *aux)
     70 {
     71 	return (1);
     72 }
     73 
     74 void
     75 hpcout_attach(device_t parent, device_t self, void *aux)
     76 {
     77 	struct hpcioman_attach_args *hma = aux;
     78 	struct hpcout_softc *sc = device_private(self);
     79 
     80 	sc->sc_hma = *hma;	/* structure assignment */
     81 
     82 	if (hma->hma_hc == NULL ||
     83 	    hma->hma_type == HPCIOMANCF_EVTYPE_DEFAULT ||
     84 	    hma->hma_id == HPCIOMANCF_ID_DEFAULT ||
     85 	    hma->hma_port == HPCIOMANCF_PORT_DEFAULT) {
     86 		printf(": ignored\n");
     87 		return;
     88 	}
     89 	printf("\n");
     90 
     91 	if (hma->hma_initvalue != -1)
     92 		hpcio_portwrite(sc->sc_hc, sc->sc_port, hma->hma_initvalue);
     93 
     94 	config_hook(sc->sc_type, sc->sc_id, CONFIG_HOOK_SHARE,
     95 	    hpcout_hook, sc);
     96 }
     97 
     98 int
     99 hpcout_hook(void *arg, int type, long id, void *msg)
    100 {
    101 	struct hpcout_softc *sc = arg;
    102 
    103 	printf("%s: port %d: %s\n", __func__, sc->sc_port,
    104 	    (int)msg ? "on" : "off");
    105 	hpcio_portwrite(sc->sc_hc, sc->sc_port,
    106 	    (int)msg ? sc->sc_on : sc->sc_off);
    107 
    108 	return (0);
    109 }
    110