1 /* $NetBSD: smartbat.c,v 1.1 2007/03/25 23:22:46 macallan Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 Michael Lorenz 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of The NetBSD Foundation nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 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: smartbat.c,v 1.1 2007/03/25 23:22:46 macallan Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/device.h> 39 #include <sys/proc.h> 40 41 #include <dev/sysmon/sysmonvar.h> 42 #include <dev/sysmon/sysmon_taskq.h> 43 44 #include <macppc/dev/pmuvar.h> 45 #include <macppc/dev/batteryvar.h> 46 #include <machine/bus.h> 47 #include "opt_battery.h" 48 49 #ifdef SMARTBAT_DEBUG 50 #define DPRINTF printf 51 #else 52 #define DPRINTF while (0) printf 53 #endif 54 55 #define BAT_CPU_TEMPERATURE 0 56 #define BAT_AC_PRESENT 1 57 #define BAT_PRESENT 2 58 #define BAT_VOLTAGE 3 59 #define BAT_CURRENT 4 60 #define BAT_MAX_CHARGE 5 61 #define BAT_CHARGE 6 62 #define BAT_CHARGING 7 63 #define BAT_DISCHARGING 8 64 #define BAT_FULL 9 65 #define BAT_TEMPERATURE 10 66 #define BAT_NSENSORS 11 /* number of sensors */ 67 68 struct smartbat_softc { 69 struct device sc_dev; 70 struct pmu_ops *sc_pmu_ops; 71 int sc_num; 72 73 /* envsys stuff */ 74 struct sysmon_envsys sc_sysmon; 75 struct envsys_basic_info sc_sinfo[BAT_NSENSORS]; 76 struct envsys_tre_data sc_sdata[BAT_NSENSORS]; 77 }; 78 79 static void smartbat_attach(struct device *, struct device *, void *); 80 static int smartbat_match(struct device *, struct cfdata *, void *); 81 82 CFATTACH_DECL(smartbat, sizeof(struct smartbat_softc), 83 smartbat_match, smartbat_attach, NULL, NULL); 84 85 static int 86 smartbat_match(struct device *parent, struct cfdata *cf, void *aux) 87 { 88 struct battery_attach_args *baa = aux; 89 90 if (baa->baa_type == BATTERY_TYPE_SMART) 91 return 1; 92 93 return 0; 94 } 95 96 static void 97 smartbat_attach(struct device *parent, struct device *self, void *aux) 98 { 99 struct battery_attach_args *baa = aux; 100 struct smartbat_softc *sc = (struct smartbat_softc *)self; 101 102 sc->sc_pmu_ops = baa->baa_pmu_ops; 103 sc->sc_num = baa->baa_num; 104 105 printf(" addr %d: smart battery\n", sc->sc_num); 106 107 } 108