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119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/* $NetBSD: nbppm.c,v 1.1 2011/08/06 03:53:40 kiyohara Exp $ */
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/*
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* Copyright (c) 2011 KIYOHARA Takashi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: nbppm.c,v 1.1 2011/08/06 03:53:40 kiyohara Exp $");
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/errno.h>
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#include <machine/config_hook.h>
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#include <arm/xscale/pxa2x0_gpio.h>
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#include <hpcarm/dev/nbppconvar.h>
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#include "locators.h"
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struct nbppm_softc {
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device_t sc_dev;
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device_t sc_parent;
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int sc_tag;
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};
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static int nbppm_match(device_t, cfdata_t, void *);
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static void nbppm_attach(device_t, device_t, void *);
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static int nbppm_critical_intr(void *);
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static int nbppm_suspend_intr(void *);
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CFATTACH_DECL_NEW(nbppm, sizeof(struct nbppm_softc),
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nbppm_match, nbppm_attach, NULL, NULL);
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/* ARGSUSED */
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static int
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nbppm_match(device_t parent, cfdata_t match, void *aux)
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{
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struct nbppcon_attach_args *pcon = aux;
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if (strcmp(pcon->aa_name, match->cf_name) ||
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pcon->aa_tag == NBPPCONCF_TAG_DEFAULT)
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return 0;
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return 1;
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}
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static void
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nbppm_attach(device_t parent, device_t self, void *aux)
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{
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struct nbppm_softc *sc = device_private(self);
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struct nbppcon_attach_args *pcon = aux;
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aprint_naive("\n");
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aprint_normal("\n");
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sc->sc_dev = self;
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sc->sc_parent = parent;
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sc->sc_tag = pcon->aa_tag;
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/* GPIO 0 is Critical Suspend */
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pxa2x0_gpio_set_function(0, GPIO_IN);
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if (pxa2x0_gpio_intr_establish(0, IST_EDGE_RISING, IPL_HIGH,
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nbppm_critical_intr, sc) == NULL)
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aprint_error_dev(self,
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"unable to establish critical interrupt\n");
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/* GPIO 1 is Suspend */
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pxa2x0_gpio_set_function(1, GPIO_IN);
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if (pxa2x0_gpio_intr_establish(1, IST_EDGE_BOTH, IPL_HIGH,
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nbppm_suspend_intr, sc) == NULL)
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aprint_error_dev(self,
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"unable to establish suspend interrupt\n");
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return;
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}
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static int
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nbppm_critical_intr(void *arg)
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{
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struct nbppm_softc *sc = arg;
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aprint_normal_dev(sc->sc_dev, "Battery Low\n");
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return 0;
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}
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static int
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nbppm_suspend_intr(void *arg)
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{
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struct nbppm_softc *sc = arg;
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aprint_verbose_dev(sc->sc_dev, "lid closed\n");
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return 0;
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}
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