Home | History | Annotate | Line # | Download | only in pci
empm.c revision 1.1.14.2 
      1 /*	$NetBSD: empm.c,v 1.1.14.2 2014/05/22 11:39:29 yamt Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Radoslaw Kujawa.
      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 /*
     33  * Power management on Elbox Mediator 1200 SX and TX.
     34  */
     35 
     36 #include <sys/types.h>
     37 #include <sys/param.h>
     38 #include <sys/device.h>
     39 
     40 #include <machine/bus.h>
     41 
     42 #include <amiga/pci/empbreg.h>
     43 #include <amiga/pci/empmvar.h>
     44 
     45 static int	empm_match(device_t, cfdata_t, void *);
     46 static void	empm_attach(device_t, device_t, void *);
     47 
     48 CFATTACH_DECL_NEW(empm, sizeof(struct empm_softc),
     49     empm_match, empm_attach, NULL, NULL);
     50 
     51 static int
     52 empm_match(device_t parent, cfdata_t cf, void *aux)
     53 {
     54 	return 1;
     55 }
     56 
     57 static void
     58 empm_attach(device_t parent, device_t self, void *aux)
     59 {
     60 	struct empm_softc *sc;
     61 	struct empm_attach_args *aa;
     62 
     63 	sc = device_private(self);
     64 	aa = aux;
     65 
     66 	sc->sc_dev = self;
     67 
     68 	aprint_normal(": ELBOX Mediator 1200 SX/TX Power Manager\n");
     69 
     70 	sc->setup_area_t = aa->setup_area_t;
     71 
     72 	if (bus_space_map(sc->setup_area_t, EMPB_PM_OFF, 1, 0,
     73 	    &sc->powermgr_h))
     74 		aprint_error_dev(self, "couldn't map power manager register\n");
     75 
     76 }
     77 
     78 void
     79 empm_power_off(struct empm_softc *sc)
     80 {
     81 	aprint_normal_dev(sc->sc_dev, "trying soft power-off...\n");
     82 
     83 	bus_space_write_1(sc->setup_area_t, sc->powermgr_h, 0, 0);
     84 }
     85 
     86