Home | History | Annotate | Line # | Download | only in acpi
acpi_apm.c revision 1.3.2.2
      1  1.3.2.2  gdamore /*	$NetBSD: acpi_apm.c,v 1.3.2.2 2006/07/13 17:49:17 gdamore Exp $	*/
      2  1.3.2.2  gdamore 
      3  1.3.2.2  gdamore /*-
      4  1.3.2.2  gdamore  * Copyright (c) 2006 The NetBSD Foundation, Inc.
      5  1.3.2.2  gdamore  * All rights reserved.
      6  1.3.2.2  gdamore  *
      7  1.3.2.2  gdamore  * This code is derived from software contributed to The NetBSD Foundation
      8  1.3.2.2  gdamore  * by Christos Zoulas and by Jared McNeill.
      9  1.3.2.2  gdamore  *
     10  1.3.2.2  gdamore  * Redistribution and use in source and binary forms, with or without
     11  1.3.2.2  gdamore  * modification, are permitted provided that the following conditions
     12  1.3.2.2  gdamore  * are met:
     13  1.3.2.2  gdamore  * 1. Redistributions of source code must retain the above copyright
     14  1.3.2.2  gdamore  *    notice, this list of conditions and the following disclaimer.
     15  1.3.2.2  gdamore  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.3.2.2  gdamore  *    notice, this list of conditions and the following disclaimer in the
     17  1.3.2.2  gdamore  *    documentation and/or other materials provided with the distribution.
     18  1.3.2.2  gdamore  * 3. All advertising materials mentioning features or use of this software
     19  1.3.2.2  gdamore  *    must display the following acknowledgement:
     20  1.3.2.2  gdamore  *	This product includes software developed by the NetBSD
     21  1.3.2.2  gdamore  *	Foundation, Inc. and its contributors.
     22  1.3.2.2  gdamore  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.3.2.2  gdamore  *    contributors may be used to endorse or promote products derived
     24  1.3.2.2  gdamore  *    from this software without specific prior written permission.
     25  1.3.2.2  gdamore  *
     26  1.3.2.2  gdamore  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.3.2.2  gdamore  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.3.2.2  gdamore  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.3.2.2  gdamore  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.3.2.2  gdamore  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.3.2.2  gdamore  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.3.2.2  gdamore  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.3.2.2  gdamore  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.3.2.2  gdamore  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.3.2.2  gdamore  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.3.2.2  gdamore  * POSSIBILITY OF SUCH DAMAGE.
     37  1.3.2.2  gdamore  */
     38  1.3.2.2  gdamore 
     39  1.3.2.2  gdamore /*
     40  1.3.2.2  gdamore  * Autoconfiguration support for the Intel ACPI Component Architecture
     41  1.3.2.2  gdamore  * ACPI reference implementation.
     42  1.3.2.2  gdamore  */
     43  1.3.2.2  gdamore 
     44  1.3.2.2  gdamore #include <sys/cdefs.h>
     45  1.3.2.2  gdamore __KERNEL_RCSID(0, "$NetBSD: acpi_apm.c,v 1.3.2.2 2006/07/13 17:49:17 gdamore Exp $");
     46  1.3.2.2  gdamore 
     47  1.3.2.2  gdamore #include <sys/param.h>
     48  1.3.2.2  gdamore #include <sys/systm.h>
     49  1.3.2.2  gdamore #include <sys/device.h>
     50  1.3.2.2  gdamore #include <sys/malloc.h>
     51  1.3.2.2  gdamore #include <sys/kernel.h>
     52  1.3.2.2  gdamore #include <sys/proc.h>
     53  1.3.2.2  gdamore #include <sys/sysctl.h>
     54  1.3.2.2  gdamore #include <sys/select.h>
     55  1.3.2.2  gdamore #include <sys/envsys.h>
     56  1.3.2.2  gdamore #include <dev/sysmon/sysmonvar.h>
     57  1.3.2.2  gdamore 
     58  1.3.2.2  gdamore #include <dev/acpi/acpica.h>
     59  1.3.2.2  gdamore #include <dev/apm/apmvar.h>
     60  1.3.2.2  gdamore 
     61  1.3.2.2  gdamore static void	acpiapm_disconnect(void *);
     62  1.3.2.2  gdamore static void	acpiapm_enable(void *, int);
     63  1.3.2.2  gdamore static int	acpiapm_set_powstate(void *, u_int, u_int);
     64  1.3.2.2  gdamore static int	acpiapm_get_powstat(void *, u_int, struct apm_power_info *);
     65  1.3.2.2  gdamore static int	acpiapm_get_event(void *, u_int *, u_int *);
     66  1.3.2.2  gdamore static void	acpiapm_cpu_busy(void *);
     67  1.3.2.2  gdamore static void	acpiapm_cpu_idle(void *);
     68  1.3.2.2  gdamore static void	acpiapm_get_capabilities(void *, u_int *, u_int *);
     69  1.3.2.2  gdamore 
     70  1.3.2.2  gdamore struct apm_accessops acpiapm_accessops = {
     71  1.3.2.2  gdamore 	acpiapm_disconnect,
     72  1.3.2.2  gdamore 	acpiapm_enable,
     73  1.3.2.2  gdamore 	acpiapm_set_powstate,
     74  1.3.2.2  gdamore 	acpiapm_get_powstat,
     75  1.3.2.2  gdamore 	acpiapm_get_event,
     76  1.3.2.2  gdamore 	acpiapm_cpu_busy,
     77  1.3.2.2  gdamore 	acpiapm_cpu_idle,
     78  1.3.2.2  gdamore 	acpiapm_get_capabilities,
     79  1.3.2.2  gdamore };
     80  1.3.2.2  gdamore 
     81  1.3.2.2  gdamore #ifdef ACPI_APM_DEBUG
     82  1.3.2.2  gdamore #define DPRINTF(a) uprintf a
     83  1.3.2.2  gdamore #else
     84  1.3.2.2  gdamore #define DPRINTF(a)
     85  1.3.2.2  gdamore #endif
     86  1.3.2.2  gdamore 
     87  1.3.2.2  gdamore struct acpi_softc;
     88  1.3.2.2  gdamore extern ACPI_STATUS acpi_enter_sleep_state(struct acpi_softc *, int);
     89  1.3.2.2  gdamore static int acpiapm_match(struct device *, struct cfdata *, void *);
     90  1.3.2.2  gdamore static void acpiapm_attach(struct device *, struct device *, void *);
     91  1.3.2.2  gdamore 
     92  1.3.2.2  gdamore CFATTACH_DECL(acpiapm, sizeof(struct apm_softc),
     93  1.3.2.2  gdamore     acpiapm_match, acpiapm_attach, NULL, NULL);
     94  1.3.2.2  gdamore 
     95  1.3.2.2  gdamore static int
     96  1.3.2.2  gdamore acpiapm_match(struct device *parent, struct cfdata *match, void *aux)
     97  1.3.2.2  gdamore {
     98  1.3.2.2  gdamore 	return apm_match();
     99  1.3.2.2  gdamore }
    100  1.3.2.2  gdamore 
    101  1.3.2.2  gdamore static void
    102  1.3.2.2  gdamore acpiapm_attach(struct device *parent, struct device *self, void *aux)
    103  1.3.2.2  gdamore {
    104  1.3.2.2  gdamore 	struct apm_softc *sc = (struct apm_softc *)self;
    105  1.3.2.2  gdamore 
    106  1.3.2.2  gdamore 	sc->sc_ops = &acpiapm_accessops;
    107  1.3.2.2  gdamore 	sc->sc_cookie = parent;
    108  1.3.2.2  gdamore 	sc->sc_vers = 0x0102;
    109  1.3.2.2  gdamore 	sc->sc_detail = 0;
    110  1.3.2.2  gdamore 	sc->sc_hwflags = APM_F_DONT_RUN_HOOKS;
    111  1.3.2.2  gdamore 	apm_attach(sc);
    112  1.3.2.2  gdamore }
    113  1.3.2.2  gdamore 
    114  1.3.2.2  gdamore /*****************************************************************************
    115  1.3.2.2  gdamore  * Minimalistic ACPI /dev/apm emulation support, for ACPI suspend
    116  1.3.2.2  gdamore  *****************************************************************************/
    117  1.3.2.2  gdamore 
    118  1.3.2.2  gdamore static void
    119  1.3.2.2  gdamore acpiapm_disconnect(void *opaque)
    120  1.3.2.2  gdamore {
    121  1.3.2.2  gdamore 	return;
    122  1.3.2.2  gdamore }
    123  1.3.2.2  gdamore 
    124  1.3.2.2  gdamore static void
    125  1.3.2.2  gdamore acpiapm_enable(void *opaque, int onoff)
    126  1.3.2.2  gdamore {
    127  1.3.2.2  gdamore 	return;
    128  1.3.2.2  gdamore }
    129  1.3.2.2  gdamore 
    130  1.3.2.2  gdamore static int
    131  1.3.2.2  gdamore acpiapm_set_powstate(void *opaque, u_int devid, u_int powstat)
    132  1.3.2.2  gdamore {
    133  1.3.2.2  gdamore 	struct acpi_softc *sc = opaque;
    134  1.3.2.2  gdamore 
    135  1.3.2.2  gdamore 	if (devid != APM_DEV_ALLDEVS)
    136  1.3.2.2  gdamore 		return APM_ERR_UNRECOG_DEV;
    137  1.3.2.2  gdamore 
    138  1.3.2.2  gdamore 	switch (powstat) {
    139  1.3.2.2  gdamore 	case APM_SYS_READY:
    140  1.3.2.2  gdamore 		break;
    141  1.3.2.2  gdamore 	case APM_SYS_STANDBY:
    142  1.3.2.2  gdamore 		acpi_enter_sleep_state(sc, ACPI_STATE_S1);
    143  1.3.2.2  gdamore 		break;
    144  1.3.2.2  gdamore 	case APM_SYS_SUSPEND:
    145  1.3.2.2  gdamore 		acpi_enter_sleep_state(sc, ACPI_STATE_S3);
    146  1.3.2.2  gdamore 		break;
    147  1.3.2.2  gdamore 	case APM_SYS_OFF:
    148  1.3.2.2  gdamore 		break;
    149  1.3.2.2  gdamore 	case APM_LASTREQ_INPROG:
    150  1.3.2.2  gdamore 		break;
    151  1.3.2.2  gdamore 	case APM_LASTREQ_REJECTED:
    152  1.3.2.2  gdamore 		break;
    153  1.3.2.2  gdamore 	}
    154  1.3.2.2  gdamore 
    155  1.3.2.2  gdamore 	return 0;
    156  1.3.2.2  gdamore }
    157  1.3.2.2  gdamore 
    158  1.3.2.2  gdamore static int
    159  1.3.2.2  gdamore acpiapm_get_powstat(void *opaque, u_int batteryid, struct apm_power_info *pinfo)
    160  1.3.2.2  gdamore {
    161  1.3.2.2  gdamore 	int i, curcap, lowcap, warncap, cap, descap, lastcap, discharge;
    162  1.3.2.2  gdamore 	envsys_tre_data_t etds;
    163  1.3.2.2  gdamore 	envsys_basic_info_t ebis;
    164  1.3.2.2  gdamore 
    165  1.3.2.2  gdamore 	curcap = lowcap = warncap = cap = descap = lastcap = discharge = -1;
    166  1.3.2.2  gdamore 
    167  1.3.2.2  gdamore 	(void)memset(pinfo, 0, sizeof(*pinfo));
    168  1.3.2.2  gdamore 	pinfo->ac_state = APM_AC_UNKNOWN;
    169  1.3.2.2  gdamore 	pinfo->minutes_valid = 0;
    170  1.3.2.2  gdamore 	pinfo->minutes_left = 0xffff;
    171  1.3.2.2  gdamore 	pinfo->batteryid = 0;
    172  1.3.2.2  gdamore 	pinfo->nbattery = 1;
    173  1.3.2.2  gdamore 	pinfo->battery_flags = 0;
    174  1.3.2.2  gdamore 	pinfo->battery_state = APM_BATT_UNKNOWN;
    175  1.3.2.2  gdamore 	pinfo->battery_life = APM_BATT_LIFE_UNKNOWN;
    176  1.3.2.2  gdamore 
    177  1.3.2.2  gdamore 	for (i = 0;; i++) {
    178  1.3.2.2  gdamore 		const char *desc;
    179  1.3.2.2  gdamore 		int data;
    180  1.3.2.2  gdamore 		int flags;
    181  1.3.2.2  gdamore 
    182  1.3.2.2  gdamore 		ebis.sensor = i;
    183  1.3.2.2  gdamore 		if (sysmonioctl_envsys(0, ENVSYS_GTREINFO, (void *)&ebis, 0,
    184  1.3.2.2  gdamore 		    NULL) || (ebis.validflags & ENVSYS_FVALID) == 0)
    185  1.3.2.2  gdamore 			break;
    186  1.3.2.2  gdamore 		etds.sensor = i;
    187  1.3.2.2  gdamore 		if (sysmonioctl_envsys(0, ENVSYS_GTREDATA, (void *)&etds, 0,
    188  1.3.2.2  gdamore 		    NULL))
    189  1.3.2.2  gdamore 			continue;
    190  1.3.2.2  gdamore 		desc = ebis.desc;
    191  1.3.2.2  gdamore 		flags = etds.validflags;
    192  1.3.2.2  gdamore 		data = etds.cur.data_s;
    193  1.3.2.2  gdamore 
    194  1.3.2.2  gdamore 		DPRINTF(("%d %s %d %d\n", i, desc, data, flags));
    195  1.3.2.2  gdamore 		if ((flags & ENVSYS_FCURVALID) == 0)
    196  1.3.2.2  gdamore 			continue;
    197  1.3.2.2  gdamore 		if (strstr(desc, " disconnected")) {
    198  1.3.2.2  gdamore 			pinfo->ac_state = data ? APM_AC_OFF : APM_AC_ON;
    199  1.3.2.2  gdamore 			break;
    200  1.3.2.2  gdamore 		} else if (strstr(desc, " present") && data == 0) {
    201  1.3.2.2  gdamore 			pinfo->battery_flags |= APM_BATT_FLAG_NO_SYSTEM_BATTERY;
    202  1.3.2.2  gdamore 			pinfo->battery_state = APM_BATT_ABSENT;
    203  1.3.2.2  gdamore 		} else if (strstr(desc, " charging") && data) {
    204  1.3.2.2  gdamore 			pinfo->battery_flags |= APM_BATT_FLAG_CHARGING;
    205  1.3.2.2  gdamore 			pinfo->battery_state = APM_BATT_CHARGING;
    206  1.3.2.2  gdamore 		} else if (strstr(desc, " discharging") && data)
    207  1.3.2.2  gdamore 			pinfo->battery_flags &= ~APM_BATT_FLAG_CHARGING;
    208  1.3.2.2  gdamore 		else if (strstr(desc, " warn cap"))
    209  1.3.2.2  gdamore 			warncap = data / 1000;
    210  1.3.2.2  gdamore 		else if (strstr(desc, " low cap"))
    211  1.3.2.2  gdamore 			lowcap = data / 1000;
    212  1.3.2.2  gdamore 		else if (strstr(desc, " last full cap"))
    213  1.3.2.2  gdamore 			lastcap = data / 1000;
    214  1.3.2.2  gdamore 		else if (strstr(desc, " design cap"))
    215  1.3.2.2  gdamore 			descap = data / 1000;
    216  1.3.2.2  gdamore 		else if (strstr(desc, " charge") &&
    217  1.3.2.2  gdamore 		    strstr(desc, " charge rate") == NULL)
    218  1.3.2.2  gdamore 			cap = data / 1000;
    219  1.3.2.2  gdamore 		else if (strstr(desc, " discharge rate"))
    220  1.3.2.2  gdamore 			discharge = data / 1000;
    221  1.3.2.2  gdamore 	}
    222  1.3.2.2  gdamore 
    223  1.3.2.2  gdamore 	if (cap != -1)  {
    224  1.3.2.2  gdamore 		if (warncap != -1 && cap < warncap) {
    225  1.3.2.2  gdamore 			pinfo->battery_flags |= APM_BATT_FLAG_CRITICAL;
    226  1.3.2.2  gdamore 			pinfo->battery_state = APM_BATT_CRITICAL;
    227  1.3.2.2  gdamore 		} else if (lowcap != -1 && cap < lowcap) {
    228  1.3.2.2  gdamore 			pinfo->battery_flags |= APM_BATT_FLAG_LOW;
    229  1.3.2.2  gdamore 			pinfo->battery_state = APM_BATT_LOW;
    230  1.3.2.2  gdamore 		}
    231  1.3.2.2  gdamore 		if (lastcap != -1 && lastcap != 0)
    232  1.3.2.2  gdamore 			pinfo->battery_life = 100 * cap / lastcap;
    233  1.3.2.2  gdamore 		else if (descap != -1 && descap != 0)
    234  1.3.2.2  gdamore 			pinfo->battery_life = 100 * cap / descap;
    235  1.3.2.2  gdamore 	}
    236  1.3.2.2  gdamore 
    237  1.3.2.2  gdamore 	if ((pinfo->battery_flags & APM_BATT_FLAG_CHARGING) == 0) {
    238  1.3.2.2  gdamore 		if (discharge != -1 && cap != -1 && discharge != 0)
    239  1.3.2.2  gdamore 			pinfo->minutes_left = 60 * cap / discharge;
    240  1.3.2.2  gdamore 		if (pinfo->battery_state == APM_BATT_UNKNOWN)
    241  1.3.2.2  gdamore 			pinfo->battery_state = pinfo->ac_state == APM_AC_ON ?
    242  1.3.2.2  gdamore 			    APM_BATT_HIGH : APM_BATT_LOW;
    243  1.3.2.2  gdamore 	} else {
    244  1.3.2.2  gdamore 		if (pinfo->battery_state == APM_BATT_UNKNOWN)
    245  1.3.2.2  gdamore 			pinfo->battery_state = APM_BATT_HIGH;
    246  1.3.2.2  gdamore 	}
    247  1.3.2.2  gdamore 	DPRINTF(("%d %d %d %d %d %d\n", cap, warncap, lowcap, lastcap, descap,
    248  1.3.2.2  gdamore 	    discharge));
    249  1.3.2.2  gdamore 	DPRINTF(("pinfo %d %d %d %d\n", pinfo->battery_flags,
    250  1.3.2.2  gdamore 	    pinfo->battery_state, pinfo->battery_life, pinfo->battery_life));
    251  1.3.2.2  gdamore 	return 0;
    252  1.3.2.2  gdamore }
    253  1.3.2.2  gdamore 
    254  1.3.2.2  gdamore static int
    255  1.3.2.2  gdamore acpiapm_get_event(void *opaque, u_int *event_type, u_int *event_info)
    256  1.3.2.2  gdamore {
    257  1.3.2.2  gdamore 	return APM_ERR_NOEVENTS;
    258  1.3.2.2  gdamore }
    259  1.3.2.2  gdamore 
    260  1.3.2.2  gdamore static void
    261  1.3.2.2  gdamore acpiapm_cpu_busy(void *opaque)
    262  1.3.2.2  gdamore {
    263  1.3.2.2  gdamore 	return;
    264  1.3.2.2  gdamore }
    265  1.3.2.2  gdamore 
    266  1.3.2.2  gdamore static void
    267  1.3.2.2  gdamore acpiapm_cpu_idle(void *opaque)
    268  1.3.2.2  gdamore {
    269  1.3.2.2  gdamore 	return;
    270  1.3.2.2  gdamore }
    271  1.3.2.2  gdamore 
    272  1.3.2.2  gdamore static void
    273  1.3.2.2  gdamore acpiapm_get_capabilities(void *opaque, u_int *numbatts, u_int *capflags)
    274  1.3.2.2  gdamore {
    275  1.3.2.2  gdamore 	*numbatts = 1;
    276  1.3.2.2  gdamore 	*capflags = APM_GLOBAL_STANDBY | APM_GLOBAL_SUSPEND;
    277  1.3.2.2  gdamore 	return;
    278  1.3.2.2  gdamore }
    279