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zapm.c revision 1.3.44.2
      1  1.3.44.2   skrll /*	$NetBSD: zapm.c,v 1.3.44.2 2009/04/28 07:35:02 skrll Exp $	*/
      2       1.3  nonaka /*	$OpenBSD: zaurus_apm.c,v 1.13 2006/12/12 23:14:28 dim Exp $	*/
      3       1.1    ober 
      4       1.1    ober /*
      5       1.1    ober  * Copyright (c) 2005 Uwe Stuehler <uwe (at) bsdx.de>
      6       1.1    ober  *
      7       1.1    ober  * Permission to use, copy, modify, and distribute this software for any
      8       1.1    ober  * purpose with or without fee is hereby granted, provided that the above
      9       1.1    ober  * copyright notice and this permission notice appear in all copies.
     10       1.1    ober  *
     11       1.1    ober  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     12       1.1    ober  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     13       1.1    ober  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     14       1.1    ober  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     15       1.1    ober  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     16       1.1    ober  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     17       1.1    ober  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     18       1.1    ober  */
     19       1.1    ober 
     20       1.3  nonaka #include <sys/cdefs.h>
     21  1.3.44.2   skrll __KERNEL_RCSID(0, "$NetBSD: zapm.c,v 1.3.44.2 2009/04/28 07:35:02 skrll Exp $");
     22       1.3  nonaka 
     23       1.1    ober #include <sys/param.h>
     24       1.1    ober #include <sys/systm.h>
     25       1.1    ober #include <sys/kernel.h>
     26       1.3  nonaka #include <sys/callout.h>
     27  1.3.44.2   skrll #include <sys/selinfo.h> /* XXX: for apm_softc that is exposed here */
     28       1.3  nonaka 
     29       1.3  nonaka #include <dev/hpc/apm/apmvar.h>
     30       1.1    ober 
     31       1.1    ober #include <arm/xscale/pxa2x0reg.h>
     32       1.1    ober #include <arm/xscale/pxa2x0var.h>
     33       1.3  nonaka #include <arm/xscale/pxa2x0cpu.h>
     34       1.1    ober #include <arm/xscale/pxa2x0_gpio.h>
     35       1.1    ober 
     36       1.3  nonaka #include <machine/config_hook.h>
     37       1.1    ober 
     38       1.3  nonaka #include <zaurus/dev/scoopvar.h>
     39       1.3  nonaka #include <zaurus/dev/zsspvar.h>
     40       1.3  nonaka #include <zaurus/zaurus/zaurus_reg.h>
     41       1.3  nonaka #include <zaurus/zaurus/zaurus_var.h>
     42       1.1    ober 
     43       1.3  nonaka #ifdef APMDEBUG
     44       1.1    ober #define DPRINTF(x)	printf x
     45       1.1    ober #else
     46       1.3  nonaka #define	DPRINTF(x)	do { } while (/*CONSTCOND*/0)
     47       1.1    ober #endif
     48       1.1    ober 
     49       1.1    ober struct zapm_softc {
     50  1.3.44.1   skrll 	device_t sc_dev;
     51       1.3  nonaka 	void *sc_apmdev;
     52       1.3  nonaka 
     53       1.3  nonaka 	struct callout sc_cyclic_poll;
     54       1.3  nonaka 	struct callout sc_discharge_poll;
     55       1.1    ober 	struct timeval sc_lastbattchk;
     56       1.3  nonaka 	volatile int suspended;
     57       1.3  nonaka 	volatile int charging;
     58       1.3  nonaka 	volatile int discharging;
     59       1.3  nonaka 	int battery_volt;
     60       1.3  nonaka 	int battery_full_cnt;
     61       1.3  nonaka 
     62       1.3  nonaka 	/* GPIO pin */
     63       1.3  nonaka 	int sc_ac_detect_pin;
     64       1.3  nonaka 	int sc_batt_cover_pin;
     65       1.3  nonaka 	int sc_charge_comp_pin;
     66       1.3  nonaka 
     67       1.3  nonaka 	/* machine-independent part */
     68       1.3  nonaka 	volatile u_int events;
     69       1.3  nonaka 	volatile int power_state;
     70       1.3  nonaka 	volatile int battery_state;
     71       1.3  nonaka 	volatile int ac_state;
     72       1.3  nonaka 	config_hook_tag sc_standby_hook;
     73       1.3  nonaka 	config_hook_tag sc_suspend_hook;
     74       1.3  nonaka 	config_hook_tag sc_battery_hook;
     75       1.3  nonaka 	config_hook_tag sc_ac_hook;
     76       1.3  nonaka 	int battery_life;
     77       1.3  nonaka 	int minutes_left;
     78       1.1    ober };
     79       1.1    ober 
     80  1.3.44.1   skrll static int	zapm_match(device_t, cfdata_t, void *);
     81  1.3.44.1   skrll static void	zapm_attach(device_t, device_t, void *);
     82       1.3  nonaka 
     83  1.3.44.1   skrll CFATTACH_DECL_NEW(zapm, sizeof(struct zapm_softc),
     84       1.3  nonaka     zapm_match, zapm_attach, NULL, NULL);
     85       1.1    ober 
     86       1.3  nonaka static int	zapm_hook(void *, int, long, void *);
     87       1.3  nonaka static void     zapm_disconnect(void *);
     88       1.3  nonaka static void     zapm_enable(void *, int);
     89       1.3  nonaka static int      zapm_set_powstate(void *, u_int, u_int);
     90  1.3.44.2   skrll static int      zapm_get_powstat(void *, u_int, struct apm_power_info *);
     91       1.3  nonaka static int      zapm_get_event(void *, u_int *, u_int *);
     92       1.3  nonaka static void     zapm_cpu_busy(void *);
     93       1.3  nonaka static void     zapm_cpu_idle(void *);
     94       1.3  nonaka static void     zapm_get_capabilities(void *, u_int *, u_int *);
     95       1.3  nonaka 
     96       1.3  nonaka static struct apm_accessops zapm_accessops = {
     97       1.3  nonaka 	zapm_disconnect,
     98       1.3  nonaka 	zapm_enable,
     99       1.3  nonaka 	zapm_set_powstate,
    100       1.3  nonaka 	zapm_get_powstat,
    101       1.3  nonaka 	zapm_get_event,
    102       1.3  nonaka 	zapm_cpu_busy,
    103       1.3  nonaka 	zapm_cpu_idle,
    104       1.3  nonaka 	zapm_get_capabilities,
    105       1.1    ober };
    106       1.1    ober 
    107       1.3  nonaka static int	zapm_acintr(void *);
    108       1.3  nonaka static int	zapm_bcintr(void *);
    109       1.3  nonaka static void	zapm_cyclic(void *);
    110       1.3  nonaka static void	zapm_poll(void *);
    111       1.3  nonaka static void	zapm_poll1(void *, int);
    112       1.3  nonaka 
    113       1.3  nonaka /* battery-related GPIO pins */
    114       1.3  nonaka #define GPIO_AC_IN_C3000	115	/* 0=AC connected */
    115       1.3  nonaka #define GPIO_CHRG_CO_C3000	101	/* 1=battery full */
    116       1.3  nonaka #define GPIO_BATT_COVER_C3000	90	/* 0=unlocked */
    117       1.3  nonaka 
    118       1.3  nonaka /* Cyclic timer value */
    119       1.3  nonaka #define	CYCLIC_TIME	(60 * hz)	/* 60s */
    120       1.3  nonaka 
    121       1.3  nonaka static int
    122  1.3.44.1   skrll zapm_match(device_t parent, cfdata_t cf, void *aux)
    123       1.3  nonaka {
    124       1.3  nonaka 
    125       1.3  nonaka 	if (!ZAURUS_ISC3000)
    126       1.3  nonaka 		return 0;
    127       1.3  nonaka 	return 1;
    128       1.3  nonaka }
    129       1.3  nonaka 
    130       1.3  nonaka static void
    131  1.3.44.1   skrll zapm_attach(device_t parent, device_t self, void *aux)
    132       1.3  nonaka {
    133       1.3  nonaka 	struct zapm_softc *sc = device_private(self);
    134       1.3  nonaka 	struct apmdev_attach_args aaa;
    135       1.3  nonaka 
    136  1.3.44.1   skrll 	sc->sc_dev = self;
    137  1.3.44.1   skrll 
    138       1.3  nonaka 	aprint_normal(": pseudo power management module\n");
    139  1.3.44.1   skrll 	aprint_naive("\n");
    140       1.3  nonaka 
    141       1.3  nonaka 	/* machine-depent part */
    142       1.3  nonaka 	callout_init(&sc->sc_cyclic_poll, 0);
    143       1.3  nonaka 	callout_setfunc(&sc->sc_cyclic_poll, zapm_cyclic, sc);
    144       1.3  nonaka 	callout_init(&sc->sc_discharge_poll, 0);
    145       1.3  nonaka 	callout_setfunc(&sc->sc_discharge_poll, zapm_poll, sc);
    146       1.3  nonaka 
    147       1.3  nonaka 	if (ZAURUS_ISC3000) {
    148       1.3  nonaka 		sc->sc_ac_detect_pin = GPIO_AC_IN_C3000;
    149       1.3  nonaka 		sc->sc_batt_cover_pin = GPIO_BATT_COVER_C3000;
    150       1.3  nonaka 		sc->sc_charge_comp_pin = GPIO_CHRG_CO_C3000;
    151       1.3  nonaka 	} else {
    152       1.3  nonaka 		/* XXX */
    153       1.3  nonaka 		return;
    154       1.3  nonaka 	}
    155       1.3  nonaka 
    156       1.3  nonaka 	pxa2x0_gpio_set_function(sc->sc_ac_detect_pin, GPIO_IN);
    157       1.3  nonaka 	pxa2x0_gpio_set_function(sc->sc_charge_comp_pin, GPIO_IN);
    158       1.3  nonaka 	pxa2x0_gpio_set_function(sc->sc_batt_cover_pin, GPIO_IN);
    159       1.3  nonaka 
    160       1.3  nonaka 	(void)pxa2x0_gpio_intr_establish(sc->sc_ac_detect_pin,
    161       1.3  nonaka 	    IST_EDGE_BOTH, IPL_BIO, zapm_acintr, sc);
    162       1.3  nonaka 	(void)pxa2x0_gpio_intr_establish(sc->sc_charge_comp_pin,
    163       1.3  nonaka 	    IST_EDGE_BOTH, IPL_BIO, zapm_bcintr, sc);
    164       1.3  nonaka 
    165       1.3  nonaka 	/* machine-independent part */
    166       1.3  nonaka 	sc->events = 0;
    167       1.3  nonaka 	sc->power_state = APM_SYS_READY;
    168       1.3  nonaka 	sc->battery_state = APM_BATT_FLAG_UNKNOWN;
    169       1.3  nonaka 	sc->ac_state = APM_AC_UNKNOWN;
    170       1.3  nonaka 	sc->battery_life = APM_BATT_LIFE_UNKNOWN;
    171       1.3  nonaka 	sc->minutes_left = 0;
    172       1.3  nonaka 	sc->sc_standby_hook = config_hook(CONFIG_HOOK_PMEVENT,
    173       1.3  nonaka 					  CONFIG_HOOK_PMEVENT_STANDBYREQ,
    174       1.3  nonaka 					  CONFIG_HOOK_EXCLUSIVE,
    175       1.3  nonaka 					  zapm_hook, sc);
    176       1.3  nonaka 	sc->sc_suspend_hook = config_hook(CONFIG_HOOK_PMEVENT,
    177       1.3  nonaka 					  CONFIG_HOOK_PMEVENT_SUSPENDREQ,
    178       1.3  nonaka 					  CONFIG_HOOK_EXCLUSIVE,
    179       1.3  nonaka 					  zapm_hook, sc);
    180       1.3  nonaka 
    181       1.3  nonaka 	sc->sc_battery_hook = config_hook(CONFIG_HOOK_PMEVENT,
    182       1.3  nonaka 					  CONFIG_HOOK_PMEVENT_BATTERY,
    183       1.3  nonaka 					  CONFIG_HOOK_SHARE,
    184       1.3  nonaka 					  zapm_hook, sc);
    185       1.3  nonaka 
    186       1.3  nonaka 	sc->sc_ac_hook = config_hook(CONFIG_HOOK_PMEVENT,
    187       1.3  nonaka 				     CONFIG_HOOK_PMEVENT_AC,
    188       1.3  nonaka 				     CONFIG_HOOK_SHARE,
    189       1.3  nonaka 				     zapm_hook, sc);
    190       1.3  nonaka 
    191       1.3  nonaka 	aaa.accessops = &zapm_accessops;
    192       1.3  nonaka 	aaa.accesscookie = sc;
    193       1.3  nonaka 	aaa.apm_detail = 0x0102;
    194       1.3  nonaka 
    195       1.3  nonaka 	sc->sc_apmdev = config_found_ia(self, "apmdevif", &aaa, apmprint);
    196       1.3  nonaka 	if (sc->sc_apmdev != NULL) {
    197       1.3  nonaka 		zapm_poll1(sc, 0);
    198       1.3  nonaka 		callout_schedule(&sc->sc_cyclic_poll, CYCLIC_TIME);
    199       1.3  nonaka 	}
    200       1.3  nonaka }
    201       1.3  nonaka 
    202       1.3  nonaka static int
    203       1.3  nonaka zapm_hook(void *v, int type, long id, void *msg)
    204       1.3  nonaka {
    205       1.3  nonaka 	struct zapm_softc *sc = (struct zapm_softc *)v;
    206       1.3  nonaka 	int charge;
    207       1.3  nonaka 	int message;
    208       1.3  nonaka 	int s;
    209       1.3  nonaka 
    210       1.3  nonaka 	if (type != CONFIG_HOOK_PMEVENT)
    211       1.3  nonaka 		return 1;
    212       1.3  nonaka 
    213       1.3  nonaka 	if (CONFIG_HOOK_VALUEP(msg))
    214       1.3  nonaka 		message = (int)msg;
    215       1.3  nonaka 	else
    216       1.3  nonaka 		message = *(int *)msg;
    217       1.3  nonaka 
    218       1.3  nonaka 	s = splhigh();
    219       1.3  nonaka 
    220       1.3  nonaka 	switch (id) {
    221       1.3  nonaka 	case CONFIG_HOOK_PMEVENT_STANDBYREQ:
    222       1.3  nonaka 		if (sc->power_state != APM_SYS_STANDBY) {
    223       1.3  nonaka 			sc->events |= (1 << APM_USER_STANDBY_REQ);
    224       1.3  nonaka 		} else {
    225       1.3  nonaka 			sc->events |= (1 << APM_NORMAL_RESUME);
    226       1.3  nonaka 		}
    227       1.3  nonaka 		break;
    228       1.3  nonaka 	case CONFIG_HOOK_PMEVENT_SUSPENDREQ:
    229       1.3  nonaka 		if (sc->power_state != APM_SYS_SUSPEND) {
    230       1.3  nonaka 			DPRINTF(("zapm: suspend request\n"));
    231       1.3  nonaka 			sc->events |= (1 << APM_USER_SUSPEND_REQ);
    232       1.3  nonaka 		} else {
    233       1.3  nonaka 			sc->events |= (1 << APM_NORMAL_RESUME);
    234       1.3  nonaka 		}
    235       1.3  nonaka 		break;
    236       1.3  nonaka 	case CONFIG_HOOK_PMEVENT_BATTERY:
    237       1.3  nonaka 		switch (message) {
    238       1.3  nonaka 		case CONFIG_HOOK_BATT_CRITICAL:
    239       1.3  nonaka 			DPRINTF(("zapm: battery state critical\n"));
    240       1.3  nonaka 			charge = sc->battery_state & APM_BATT_FLAG_CHARGING;
    241       1.3  nonaka 			sc->battery_state = APM_BATT_FLAG_CRITICAL;
    242       1.3  nonaka 			sc->battery_state |= charge;
    243       1.3  nonaka 			sc->battery_life = 0;
    244       1.3  nonaka 			break;
    245       1.3  nonaka 		case CONFIG_HOOK_BATT_LOW:
    246       1.3  nonaka 			DPRINTF(("zapm: battery state low\n"));
    247       1.3  nonaka 			charge = sc->battery_state & APM_BATT_FLAG_CHARGING;
    248       1.3  nonaka 			sc->battery_state = APM_BATT_FLAG_LOW;
    249       1.3  nonaka 			sc->battery_state |= charge;
    250       1.3  nonaka 			break;
    251       1.3  nonaka 		case CONFIG_HOOK_BATT_HIGH:
    252       1.3  nonaka 			DPRINTF(("zapm: battery state high\n"));
    253       1.3  nonaka 			charge = sc->battery_state & APM_BATT_FLAG_CHARGING;
    254       1.3  nonaka 			sc->battery_state = APM_BATT_FLAG_HIGH;
    255       1.3  nonaka 			sc->battery_state |= charge;
    256       1.3  nonaka 			break;
    257       1.3  nonaka 		case CONFIG_HOOK_BATT_10P:
    258       1.3  nonaka 			DPRINTF(("zapm: battery life 10%%\n"));
    259       1.3  nonaka 			sc->battery_life = 10;
    260       1.3  nonaka 			break;
    261       1.3  nonaka 		case CONFIG_HOOK_BATT_20P:
    262       1.3  nonaka 			DPRINTF(("zapm: battery life 20%%\n"));
    263       1.3  nonaka 			sc->battery_life = 20;
    264       1.3  nonaka 			break;
    265       1.3  nonaka 		case CONFIG_HOOK_BATT_30P:
    266       1.3  nonaka 			DPRINTF(("zapm: battery life 30%%\n"));
    267       1.3  nonaka 			sc->battery_life = 30;
    268       1.3  nonaka 			break;
    269       1.3  nonaka 		case CONFIG_HOOK_BATT_40P:
    270       1.3  nonaka 			DPRINTF(("zapm: battery life 40%%\n"));
    271       1.3  nonaka 			sc->battery_life = 40;
    272       1.3  nonaka 			break;
    273       1.3  nonaka 		case CONFIG_HOOK_BATT_50P:
    274       1.3  nonaka 			DPRINTF(("zapm: battery life 50%%\n"));
    275       1.3  nonaka 			sc->battery_life = 50;
    276       1.3  nonaka 			break;
    277       1.3  nonaka 		case CONFIG_HOOK_BATT_60P:
    278       1.3  nonaka 			DPRINTF(("zapm: battery life 60%%\n"));
    279       1.3  nonaka 			sc->battery_life = 60;
    280       1.3  nonaka 			break;
    281       1.3  nonaka 		case CONFIG_HOOK_BATT_70P:
    282       1.3  nonaka 			DPRINTF(("zapm: battery life 70%%\n"));
    283       1.3  nonaka 			sc->battery_life = 70;
    284       1.3  nonaka 			break;
    285       1.3  nonaka 		case CONFIG_HOOK_BATT_80P:
    286       1.3  nonaka 			DPRINTF(("zapm: battery life 80%%\n"));
    287       1.3  nonaka 			sc->battery_life = 80;
    288       1.3  nonaka 			break;
    289       1.3  nonaka 		case CONFIG_HOOK_BATT_90P:
    290       1.3  nonaka 			DPRINTF(("zapm: battery life 90%%\n"));
    291       1.3  nonaka 			sc->battery_life = 90;
    292       1.3  nonaka 			break;
    293       1.3  nonaka 		case CONFIG_HOOK_BATT_100P:
    294       1.3  nonaka 			DPRINTF(("zapm: battery life 100%%\n"));
    295       1.3  nonaka 			sc->battery_life = 100;
    296       1.3  nonaka 			break;
    297       1.3  nonaka 		case CONFIG_HOOK_BATT_UNKNOWN:
    298       1.3  nonaka 			DPRINTF(("zapm: battery state unknown\n"));
    299       1.3  nonaka 			sc->battery_state = APM_BATT_FLAG_UNKNOWN;
    300       1.3  nonaka 			sc->battery_life = APM_BATT_LIFE_UNKNOWN;
    301       1.3  nonaka 			break;
    302       1.3  nonaka 		case CONFIG_HOOK_BATT_NO_SYSTEM_BATTERY:
    303       1.3  nonaka 			DPRINTF(("zapm: battery state no system battery?\n"));
    304       1.3  nonaka 			sc->battery_state = APM_BATT_FLAG_NO_SYSTEM_BATTERY;
    305       1.3  nonaka 			sc->battery_life = APM_BATT_LIFE_UNKNOWN;
    306       1.3  nonaka 			break;
    307       1.3  nonaka 		}
    308       1.3  nonaka 		break;
    309       1.3  nonaka 	case CONFIG_HOOK_PMEVENT_AC:
    310       1.3  nonaka 		switch (message) {
    311       1.3  nonaka 		case CONFIG_HOOK_AC_OFF:
    312       1.3  nonaka 			DPRINTF(("zapm: ac not connected\n"));
    313       1.3  nonaka 			sc->battery_state &= ~APM_BATT_FLAG_CHARGING;
    314       1.3  nonaka 			sc->ac_state = APM_AC_OFF;
    315       1.3  nonaka 			break;
    316       1.3  nonaka 		case CONFIG_HOOK_AC_ON_CHARGE:
    317       1.3  nonaka 			DPRINTF(("zapm: charging\n"));
    318       1.3  nonaka 			sc->battery_state |= APM_BATT_FLAG_CHARGING;
    319       1.3  nonaka 			sc->ac_state = APM_AC_ON;
    320       1.3  nonaka 			break;
    321       1.3  nonaka 		case CONFIG_HOOK_AC_ON_NOCHARGE:
    322       1.3  nonaka 			DPRINTF(("zapm: ac connected\n"));
    323       1.3  nonaka 			sc->battery_state &= ~APM_BATT_FLAG_CHARGING;
    324       1.3  nonaka 			sc->ac_state = APM_AC_ON;
    325       1.3  nonaka 			break;
    326       1.3  nonaka 		case CONFIG_HOOK_AC_UNKNOWN:
    327       1.3  nonaka 			sc->ac_state = APM_AC_UNKNOWN;
    328       1.3  nonaka 			break;
    329       1.3  nonaka 		}
    330       1.3  nonaka 		break;
    331       1.3  nonaka 	}
    332       1.3  nonaka 
    333       1.3  nonaka 	splx(s);
    334       1.3  nonaka 
    335       1.3  nonaka 	return 0;
    336       1.3  nonaka }
    337       1.3  nonaka 
    338       1.3  nonaka static void
    339       1.3  nonaka zapm_disconnect(void *v)
    340       1.3  nonaka {
    341       1.3  nonaka #if 0
    342       1.3  nonaka 	struct zapm_softc *sc = (struct zapm_softc *)v;
    343       1.3  nonaka #endif
    344       1.3  nonaka }
    345       1.3  nonaka 
    346       1.3  nonaka static void
    347       1.3  nonaka zapm_enable(void *v, int onoff)
    348       1.3  nonaka {
    349       1.3  nonaka #if 0
    350       1.3  nonaka 	struct zapm_softc *sc = (struct zapm_softc *)v;
    351       1.3  nonaka #endif
    352       1.3  nonaka }
    353       1.3  nonaka 
    354       1.3  nonaka static int
    355       1.3  nonaka zapm_set_powstate(void *v, u_int devid, u_int powstat)
    356       1.3  nonaka {
    357       1.3  nonaka 	struct zapm_softc *sc = (struct zapm_softc *)v;
    358       1.3  nonaka 
    359       1.3  nonaka 	if (devid != APM_DEV_ALLDEVS)
    360       1.3  nonaka 		return APM_ERR_UNRECOG_DEV;
    361       1.3  nonaka 
    362       1.3  nonaka 	switch (powstat) {
    363       1.3  nonaka 	case APM_SYS_READY:
    364       1.3  nonaka 		DPRINTF(("zapm: set power state READY\n"));
    365       1.3  nonaka 		sc->power_state = APM_SYS_READY;
    366       1.3  nonaka 		break;
    367       1.3  nonaka 	case APM_SYS_STANDBY:
    368       1.3  nonaka 		DPRINTF(("zapm: set power state STANDBY\n"));
    369       1.3  nonaka 		/* XXX */
    370       1.3  nonaka 		DPRINTF(("zapm: resume\n"));
    371       1.3  nonaka 		break;
    372       1.3  nonaka 	case APM_SYS_SUSPEND:
    373       1.3  nonaka 		DPRINTF(("zapm: set power state SUSPEND...\n"));
    374       1.3  nonaka 		/* XXX */
    375       1.3  nonaka 		DPRINTF(("zapm: resume\n"));
    376       1.3  nonaka 		break;
    377       1.3  nonaka 	case APM_SYS_OFF:
    378       1.3  nonaka 		DPRINTF(("zapm: set power state OFF\n"));
    379       1.3  nonaka 		sc->power_state = APM_SYS_OFF;
    380       1.3  nonaka 		break;
    381       1.3  nonaka 	case APM_LASTREQ_INPROG:
    382       1.3  nonaka 		/*DPRINTF(("zapm: set power state INPROG\n"));*/
    383       1.3  nonaka 		break;
    384       1.3  nonaka 	case APM_LASTREQ_REJECTED:
    385       1.3  nonaka 		DPRINTF(("zapm: set power state REJECTED\n"));
    386       1.3  nonaka 		break;
    387       1.3  nonaka 	}
    388       1.3  nonaka 
    389       1.3  nonaka 	return 0;
    390       1.3  nonaka }
    391       1.3  nonaka 
    392       1.3  nonaka static int
    393  1.3.44.2   skrll zapm_get_powstat(void *v, u_int batteryid, struct apm_power_info *pinfo)
    394       1.3  nonaka {
    395       1.3  nonaka 	struct zapm_softc *sc = (struct zapm_softc *)v;
    396       1.3  nonaka 	int val;
    397       1.3  nonaka 
    398       1.3  nonaka 	if (config_hook_call(CONFIG_HOOK_GET,
    399       1.3  nonaka 			     CONFIG_HOOK_ACADAPTER, &val) != -1)
    400       1.3  nonaka 		pinfo->ac_state = val;
    401       1.3  nonaka 	else
    402       1.3  nonaka 		pinfo->ac_state = sc->ac_state;
    403       1.3  nonaka 	if (config_hook_call(CONFIG_HOOK_GET,
    404       1.3  nonaka 			     CONFIG_HOOK_CHARGE, &val) != -1)
    405       1.3  nonaka 		pinfo->battery_state = val;
    406       1.3  nonaka 	else
    407       1.3  nonaka 		pinfo->battery_state = sc->battery_state;
    408       1.3  nonaka 	if (config_hook_call(CONFIG_HOOK_GET,
    409       1.3  nonaka 			     CONFIG_HOOK_BATTERYVAL, &val) != -1)
    410       1.3  nonaka 		pinfo->battery_life = val;
    411       1.3  nonaka 	else
    412       1.3  nonaka 		pinfo->battery_life = sc->battery_life;
    413       1.3  nonaka 
    414       1.3  nonaka 	return 0;
    415       1.3  nonaka }
    416       1.3  nonaka 
    417       1.3  nonaka static int
    418       1.3  nonaka zapm_get_event(void *v, u_int *event_type, u_int *event_info)
    419       1.3  nonaka {
    420       1.3  nonaka 	struct zapm_softc *sc = (struct zapm_softc *)v;
    421       1.3  nonaka 	u_int ev;
    422       1.3  nonaka 	int s;
    423       1.3  nonaka 
    424       1.3  nonaka 	s = splhigh();
    425       1.3  nonaka 	for (ev = APM_STANDBY_REQ; ev <= APM_CAP_CHANGE; ev++) {
    426       1.3  nonaka 		if (sc->events & (1 << ev)) {
    427       1.3  nonaka 			sc->events &= ~(1 << ev);
    428       1.3  nonaka 			*event_type = ev;
    429       1.3  nonaka 			if (*event_type == APM_NORMAL_RESUME ||
    430       1.3  nonaka 			    *event_type == APM_CRIT_RESUME) {
    431       1.3  nonaka 				/* pccard power off in the suspend state */
    432       1.3  nonaka 				*event_info = 1;
    433       1.3  nonaka 				sc->power_state = APM_SYS_READY;
    434       1.3  nonaka 			} else {
    435       1.3  nonaka 				*event_info = 0;
    436       1.3  nonaka 			}
    437       1.3  nonaka 			splx(s);
    438       1.3  nonaka 
    439       1.3  nonaka 			return 0;
    440       1.3  nonaka 		}
    441       1.3  nonaka 	}
    442       1.3  nonaka 	splx(s);
    443       1.3  nonaka 
    444       1.3  nonaka 	return APM_ERR_NOEVENTS;
    445       1.3  nonaka }
    446       1.3  nonaka 
    447       1.3  nonaka static void
    448       1.3  nonaka zapm_cpu_busy(void *v)
    449       1.3  nonaka {
    450       1.3  nonaka #if 0
    451       1.3  nonaka 	struct zapm_softc *sc = (struct zapm_softc *)v;
    452       1.3  nonaka #endif
    453       1.3  nonaka }
    454       1.3  nonaka 
    455       1.3  nonaka static void
    456       1.3  nonaka zapm_cpu_idle(void *v)
    457       1.3  nonaka {
    458       1.3  nonaka #if 0
    459       1.3  nonaka 	struct zapm_softc *sc = (struct zapm_softc *)v;
    460       1.3  nonaka #endif
    461       1.3  nonaka }
    462       1.3  nonaka 
    463       1.3  nonaka static void
    464       1.3  nonaka zapm_get_capabilities(void *v, u_int *numbatts, u_int *capflags)
    465       1.3  nonaka {
    466       1.3  nonaka #if 0
    467       1.3  nonaka 	struct zapm_softc *sc = (struct zapm_softc *)v;
    468       1.3  nonaka #endif
    469       1.3  nonaka 
    470       1.3  nonaka 	*numbatts = 1;
    471       1.3  nonaka 	*capflags = 0 /* | APM_GLOBAL_STANDBY | APM_GLOBAL_SUSPEND */;
    472       1.3  nonaka }
    473       1.3  nonaka 
    474       1.3  nonaka /*-----------------------------------------------------------------------------
    475       1.3  nonaka  * zaurus depent part
    476       1.3  nonaka  */
    477       1.1    ober /* MAX1111 command word */
    478       1.1    ober #define MAXCTRL_PD0		(1<<0)
    479       1.1    ober #define MAXCTRL_PD1		(1<<1)
    480       1.1    ober #define MAXCTRL_SGL		(1<<2)
    481       1.1    ober #define MAXCTRL_UNI		(1<<3)
    482       1.1    ober #define MAXCTRL_SEL_SHIFT	4
    483       1.1    ober #define MAXCTRL_STR		(1<<7)
    484       1.1    ober 
    485       1.1    ober /* MAX1111 ADC channels */
    486       1.1    ober #define	BATT_THM		2
    487       1.1    ober #define	BATT_AD			4
    488       1.1    ober #define JK_VAD			6
    489       1.1    ober 
    490       1.1    ober /*
    491       1.1    ober  * Battery-specific information
    492       1.1    ober  */
    493       1.1    ober struct battery_threshold {
    494       1.3  nonaka 	int	percent;
    495       1.3  nonaka 	int	value;
    496       1.3  nonaka 	int	state;
    497       1.1    ober };
    498       1.1    ober 
    499       1.1    ober struct battery_info {
    500       1.3  nonaka 	const struct battery_threshold *bi_thres;
    501       1.1    ober };
    502       1.1    ober 
    503       1.3  nonaka static const struct battery_threshold zaurus_battery_life_c3000[] = {
    504  1.3.44.2   skrll 	{ 100,	212,	CONFIG_HOOK_BATT_HIGH		},
    505  1.3.44.2   skrll 	{  98,	212,	CONFIG_HOOK_BATT_HIGH		},
    506  1.3.44.2   skrll 	{  95,	211,	CONFIG_HOOK_BATT_HIGH		},
    507  1.3.44.2   skrll 	{  93,	210,	CONFIG_HOOK_BATT_HIGH		},
    508  1.3.44.2   skrll 	{  90,	209,	CONFIG_HOOK_BATT_HIGH		},
    509  1.3.44.2   skrll 	{  88,	208,	CONFIG_HOOK_BATT_HIGH		},
    510  1.3.44.2   skrll 	{  85,	207,	CONFIG_HOOK_BATT_HIGH		},
    511  1.3.44.2   skrll 	{  83,	206,	CONFIG_HOOK_BATT_HIGH		},
    512  1.3.44.2   skrll 	{  80,	205,	CONFIG_HOOK_BATT_HIGH		},
    513  1.3.44.2   skrll 	{  78,	204,	CONFIG_HOOK_BATT_HIGH		},
    514  1.3.44.2   skrll 	{  75,	203,	CONFIG_HOOK_BATT_HIGH		},
    515  1.3.44.2   skrll 	{  73,	202,	CONFIG_HOOK_BATT_HIGH		},
    516  1.3.44.2   skrll 	{  70,	201,	CONFIG_HOOK_BATT_HIGH		},
    517  1.3.44.2   skrll 	{  68,	200,	CONFIG_HOOK_BATT_HIGH		},
    518  1.3.44.2   skrll 	{  65,	199,	CONFIG_HOOK_BATT_HIGH		},
    519  1.3.44.2   skrll 	{  63,	198,	CONFIG_HOOK_BATT_HIGH		},
    520  1.3.44.2   skrll 	{  60,	197,	CONFIG_HOOK_BATT_HIGH		},
    521  1.3.44.2   skrll 	{  58,	196,	CONFIG_HOOK_BATT_HIGH		},
    522  1.3.44.2   skrll 	{  55,	195,	CONFIG_HOOK_BATT_HIGH		},
    523  1.3.44.2   skrll 	{  53,	194,	CONFIG_HOOK_BATT_HIGH		},
    524  1.3.44.2   skrll 	{  50,	193,	CONFIG_HOOK_BATT_HIGH		},
    525  1.3.44.2   skrll 	{  48,	192,	CONFIG_HOOK_BATT_HIGH		},
    526  1.3.44.2   skrll 	{  45,	192,	CONFIG_HOOK_BATT_HIGH		},
    527  1.3.44.2   skrll 	{  43,	191,	CONFIG_HOOK_BATT_HIGH		},
    528  1.3.44.2   skrll 	{  40,	191,	CONFIG_HOOK_BATT_HIGH		},
    529  1.3.44.2   skrll 	{  38,	190,	CONFIG_HOOK_BATT_HIGH		},
    530  1.3.44.2   skrll 	{  35,	190,	CONFIG_HOOK_BATT_HIGH		},
    531  1.3.44.2   skrll 	{  33,	189,	CONFIG_HOOK_BATT_HIGH		},
    532  1.3.44.2   skrll 	{  30,	188,	CONFIG_HOOK_BATT_HIGH		},
    533  1.3.44.2   skrll 	{  28,	187,	CONFIG_HOOK_BATT_LOW		},
    534  1.3.44.2   skrll 	{  25,	186,	CONFIG_HOOK_BATT_LOW		},
    535  1.3.44.2   skrll 	{  23,	185,	CONFIG_HOOK_BATT_LOW		},
    536  1.3.44.2   skrll 	{  20,	184,	CONFIG_HOOK_BATT_LOW		},
    537  1.3.44.2   skrll 	{  18,	183,	CONFIG_HOOK_BATT_LOW		},
    538  1.3.44.2   skrll 	{  15,	182,	CONFIG_HOOK_BATT_LOW		},
    539  1.3.44.2   skrll 	{  13,	181,	CONFIG_HOOK_BATT_LOW		},
    540  1.3.44.2   skrll 	{  10,	180,	CONFIG_HOOK_BATT_LOW		},
    541  1.3.44.2   skrll 	{   8,	179,	CONFIG_HOOK_BATT_LOW		},
    542       1.3  nonaka 	{   5,	178,	CONFIG_HOOK_BATT_LOW		},
    543       1.3  nonaka 	{   0,	  0,	CONFIG_HOOK_BATT_CRITICAL	}
    544       1.1    ober };
    545       1.1    ober 
    546       1.3  nonaka static const struct battery_info zaurus_battery_c3000 = {
    547       1.1    ober 	zaurus_battery_life_c3000
    548       1.1    ober };
    549       1.1    ober 
    550       1.3  nonaka static const struct battery_info *zaurus_main_battery = &zaurus_battery_c3000;
    551       1.1    ober 
    552       1.1    ober /* Restart charging this many times before accepting BATT_FULL. */
    553       1.3  nonaka #define	MIN_BATT_FULL		2
    554       1.1    ober 
    555       1.1    ober /* Discharge 100 ms before reading the voltage if AC is connected. */
    556       1.3  nonaka #define	DISCHARGE_TIMEOUT	(hz / 10)
    557       1.1    ober 
    558       1.1    ober /* Check battery voltage and "kick charging" every minute. */
    559       1.3  nonaka static const struct timeval zapm_battchkrate = { 60, 0 };
    560       1.3  nonaka 
    561       1.3  nonaka static int	zapm_get_ac_state(struct zapm_softc *);
    562       1.3  nonaka static int	zapm_get_battery_compartment_state(struct zapm_softc *);
    563       1.3  nonaka static int	zapm_get_charge_complete_state(struct zapm_softc *);
    564       1.3  nonaka static void	zapm_set_charging(struct zapm_softc *, int);
    565       1.3  nonaka static int	zapm_charge_complete(struct zapm_softc *);
    566  1.3.44.2   skrll static int	max1111_adc_value_avg(int chan, int pause);
    567       1.3  nonaka static int	zapm_get_battery_volt(void);
    568       1.3  nonaka static int	zapm_battery_state(int volt);
    569       1.3  nonaka static int	zapm_battery_life(int volt);
    570       1.3  nonaka 
    571       1.3  nonaka static int
    572       1.3  nonaka zapm_acintr(void *v)
    573       1.3  nonaka {
    574       1.3  nonaka 
    575       1.3  nonaka 	zapm_poll1(v, 1);
    576       1.3  nonaka 
    577       1.3  nonaka 	return 1;
    578       1.3  nonaka }
    579       1.3  nonaka 
    580       1.3  nonaka static int
    581       1.3  nonaka zapm_bcintr(void *v)
    582       1.3  nonaka {
    583       1.3  nonaka 
    584       1.3  nonaka 	zapm_poll1(v, 1);
    585       1.1    ober 
    586       1.3  nonaka 	return 1;
    587       1.3  nonaka }
    588       1.3  nonaka 
    589       1.3  nonaka static void
    590       1.3  nonaka zapm_cyclic(void *v)
    591       1.3  nonaka {
    592       1.3  nonaka 	struct zapm_softc *sc = (struct zapm_softc *)v;
    593       1.1    ober 
    594       1.3  nonaka 	zapm_poll1(sc, 1);
    595       1.3  nonaka 
    596       1.3  nonaka 	callout_schedule(&sc->sc_cyclic_poll, CYCLIC_TIME);
    597       1.3  nonaka }
    598       1.3  nonaka 
    599       1.3  nonaka static void
    600       1.3  nonaka zapm_poll(void *v)
    601       1.3  nonaka {
    602       1.1    ober 
    603       1.3  nonaka 	zapm_poll1(v, 1);
    604       1.3  nonaka }
    605       1.1    ober 
    606       1.3  nonaka static int
    607       1.3  nonaka zapm_get_ac_state(struct zapm_softc *sc)
    608       1.3  nonaka {
    609       1.1    ober 
    610       1.3  nonaka 	if (!pxa2x0_gpio_get_bit(sc->sc_ac_detect_pin))
    611       1.3  nonaka 		return APM_AC_ON;
    612       1.3  nonaka 	return APM_AC_OFF;
    613       1.1    ober }
    614       1.1    ober 
    615       1.3  nonaka static int
    616       1.3  nonaka zapm_get_battery_compartment_state(struct zapm_softc *sc)
    617       1.1    ober {
    618       1.1    ober 
    619       1.3  nonaka 	return pxa2x0_gpio_get_bit(sc->sc_batt_cover_pin);
    620       1.1    ober }
    621       1.1    ober 
    622       1.3  nonaka static int
    623       1.3  nonaka zapm_get_charge_complete_state(struct zapm_softc *sc)
    624       1.1    ober {
    625       1.3  nonaka 
    626       1.3  nonaka 	return pxa2x0_gpio_get_bit(sc->sc_charge_comp_pin);
    627       1.1    ober }
    628       1.1    ober 
    629       1.3  nonaka static void
    630       1.3  nonaka zapm_set_charging(struct zapm_softc *sc, int enable)
    631       1.1    ober {
    632       1.3  nonaka 
    633       1.3  nonaka 	scoop_discharge_battery(0);
    634       1.3  nonaka 	scoop_charge_battery(enable, 0);
    635       1.3  nonaka 	scoop_led_set(SCOOP_LED_ORANGE, enable);
    636       1.1    ober }
    637       1.1    ober 
    638       1.3  nonaka /*
    639       1.3  nonaka  * Return non-zero if the charge complete signal indicates that the
    640       1.3  nonaka  * battery is fully charged.  Restart charging to clear this signal.
    641       1.3  nonaka  */
    642       1.3  nonaka static int
    643       1.3  nonaka zapm_charge_complete(struct zapm_softc *sc)
    644       1.1    ober {
    645       1.3  nonaka 
    646       1.3  nonaka 	if (sc->charging && sc->battery_full_cnt < MIN_BATT_FULL) {
    647       1.3  nonaka 		if (zapm_get_charge_complete_state(sc)) {
    648       1.3  nonaka 			sc->battery_full_cnt++;
    649       1.3  nonaka 			if (sc->battery_full_cnt < MIN_BATT_FULL) {
    650       1.3  nonaka 				DPRINTF(("battery almost full\n"));
    651       1.3  nonaka 				zapm_set_charging(sc, 0);
    652       1.3  nonaka 				delay(15000);
    653       1.3  nonaka 				zapm_set_charging(sc, 1);
    654       1.3  nonaka 			}
    655       1.3  nonaka 		} else if (sc->battery_full_cnt > 0) {
    656       1.3  nonaka 			/* false alarm */
    657       1.3  nonaka 			sc->battery_full_cnt = 0;
    658       1.3  nonaka 			zapm_set_charging(sc, 0);
    659       1.3  nonaka 			delay(15000);
    660       1.3  nonaka 			zapm_set_charging(sc, 1);
    661       1.3  nonaka 		}
    662       1.3  nonaka 	}
    663       1.3  nonaka 
    664       1.3  nonaka 	return (sc->battery_full_cnt >= MIN_BATT_FULL);
    665       1.1    ober }
    666       1.1    ober 
    667       1.3  nonaka static int
    668       1.1    ober max1111_adc_value(int chan)
    669       1.1    ober {
    670       1.1    ober 
    671       1.1    ober 	return ((int)zssp_ic_send(ZSSP_IC_MAX1111, MAXCTRL_PD0 |
    672       1.1    ober 	    MAXCTRL_PD1 | MAXCTRL_SGL | MAXCTRL_UNI |
    673       1.1    ober 	    (chan << MAXCTRL_SEL_SHIFT) | MAXCTRL_STR));
    674       1.1    ober }
    675       1.1    ober 
    676       1.1    ober /* XXX simplify */
    677       1.3  nonaka static int
    678       1.1    ober max1111_adc_value_avg(int chan, int pause)
    679       1.1    ober {
    680       1.1    ober 	int val[5];
    681  1.3.44.2   skrll 	int sum;
    682  1.3.44.2   skrll 	int minv, maxv, v;
    683  1.3.44.2   skrll 	int i;
    684       1.1    ober 
    685       1.3  nonaka 	DPRINTF(("max1111_adc_value_avg: chan = %d, pause = %d\n",
    686       1.3  nonaka 	    chan, pause));
    687       1.3  nonaka 
    688       1.1    ober 	for (i = 0; i < 5; i++) {
    689       1.1    ober 		val[i] = max1111_adc_value(chan);
    690       1.1    ober 		if (i != 4)
    691       1.1    ober 			delay(pause * 1000);
    692       1.3  nonaka 		DPRINTF(("max1111_adc_value_avg: chan[%d] = %d\n", i, val[i]));
    693       1.1    ober 	}
    694       1.1    ober 
    695  1.3.44.2   skrll 	/* get max value */
    696  1.3.44.2   skrll 	v = val[0];
    697  1.3.44.2   skrll 	minv = 0;
    698       1.1    ober 	for (i = 1; i < 5; i++) {
    699  1.3.44.2   skrll 		if (v < val[i]) {
    700  1.3.44.2   skrll 			v = val[i];
    701  1.3.44.2   skrll 			minv = i;
    702       1.1    ober 		}
    703       1.1    ober 	}
    704       1.1    ober 
    705  1.3.44.2   skrll 	/* get min value */
    706  1.3.44.2   skrll 	v = val[4];
    707  1.3.44.2   skrll 	maxv = 4;
    708       1.1    ober 	for (i = 3; i >= 0; i--) {
    709  1.3.44.2   skrll 		if (v > val[i]) {
    710  1.3.44.2   skrll 			v = val[i];
    711  1.3.44.2   skrll 			maxv = i;
    712       1.1    ober 		}
    713       1.1    ober 	}
    714       1.1    ober 
    715  1.3.44.2   skrll 	DPRINTF(("max1111_adc_value_avg: minv = %d, maxv = %d\n", minv, maxv));
    716  1.3.44.2   skrll 	sum = 0;
    717       1.1    ober 	for (i = 0; i < 5; i++) {
    718  1.3.44.2   skrll 		if (i == minv || i == maxv)
    719       1.1    ober 			continue;
    720       1.1    ober 		sum += val[i];
    721       1.1    ober 	}
    722       1.1    ober 
    723       1.3  nonaka 	DPRINTF(("max1111_adc_value_avg: sum = %d, sum / 3 = %d\n",
    724       1.3  nonaka 	    sum, sum / 3));
    725       1.1    ober 
    726       1.3  nonaka 	return sum / 3;
    727       1.1    ober }
    728       1.1    ober 
    729       1.3  nonaka static int
    730       1.3  nonaka zapm_get_battery_volt(void)
    731       1.1    ober {
    732       1.1    ober 
    733       1.3  nonaka 	return max1111_adc_value_avg(BATT_AD, 10);
    734       1.1    ober }
    735       1.1    ober 
    736       1.3  nonaka static int
    737       1.3  nonaka zapm_battery_state(int volt)
    738       1.1    ober {
    739       1.1    ober 	const struct battery_threshold *bthr;
    740       1.1    ober 	int i;
    741       1.1    ober 
    742       1.1    ober 	bthr = zaurus_main_battery->bi_thres;
    743       1.1    ober 
    744       1.3  nonaka 	for (i = 0; bthr[i].value > 0; i++)
    745       1.3  nonaka 		if (bthr[i].value <= volt)
    746       1.1    ober 			break;
    747       1.1    ober 
    748       1.3  nonaka 	return bthr[i].state;
    749       1.1    ober }
    750       1.1    ober 
    751       1.3  nonaka static int
    752       1.3  nonaka zapm_battery_life(int volt)
    753       1.1    ober {
    754       1.1    ober 	const struct battery_threshold *bthr;
    755       1.1    ober 	int i;
    756       1.1    ober 
    757       1.1    ober 	bthr = zaurus_main_battery->bi_thres;
    758       1.1    ober 
    759       1.3  nonaka 	for (i = 0; bthr[i].value > 0; i++)
    760       1.3  nonaka 		if (bthr[i].value <= volt)
    761       1.1    ober 			break;
    762       1.1    ober 
    763       1.1    ober 	if (i == 0)
    764       1.3  nonaka 		return bthr[0].percent;
    765       1.1    ober 
    766       1.3  nonaka 	return (bthr[i].percent +
    767       1.3  nonaka 	    ((volt - bthr[i].value) * 100) /
    768       1.3  nonaka 	    (bthr[i-1].value - bthr[i].value) *
    769       1.3  nonaka 	    (bthr[i-1].percent - bthr[i].percent) / 100);
    770       1.1    ober }
    771       1.1    ober 
    772       1.1    ober /*
    773       1.1    ober  * Poll power-management related GPIO inputs, update battery life
    774       1.1    ober  * in softc, and/or control battery charging.
    775       1.1    ober  */
    776       1.3  nonaka static void
    777       1.3  nonaka zapm_poll1(void *v, int do_suspend)
    778       1.1    ober {
    779       1.3  nonaka 	struct zapm_softc *sc = (struct zapm_softc *)v;
    780       1.3  nonaka 	int ac_state;
    781       1.1    ober 	int bc_lock;
    782       1.1    ober 	int charging;
    783       1.1    ober 	int volt;
    784       1.1    ober 	int s;
    785       1.1    ober 
    786       1.1    ober 	s = splhigh();
    787       1.1    ober 
    788       1.3  nonaka 	ac_state = zapm_get_ac_state(sc);
    789       1.3  nonaka 	bc_lock = zapm_get_battery_compartment_state(sc);
    790       1.1    ober 
    791       1.1    ober 	/* Stop discharging. */
    792       1.3  nonaka 	if (sc->discharging) {
    793       1.3  nonaka 		sc->discharging = 0;
    794       1.1    ober 		charging = 0;
    795       1.3  nonaka 		volt = zapm_get_battery_volt();
    796       1.1    ober 		DPRINTF(("zapm_poll: discharge off volt %d\n", volt));
    797       1.1    ober 	} else {
    798       1.3  nonaka 		charging = sc->battery_state & APM_BATT_FLAG_CHARGING;
    799       1.3  nonaka 		volt = sc->battery_volt;
    800       1.1    ober 	}
    801       1.1    ober 
    802       1.1    ober 	/* Start or stop charging as necessary. */
    803       1.3  nonaka 	if (ac_state && bc_lock) {
    804       1.3  nonaka 		int charge_completed = zapm_charge_complete(sc);
    805       1.1    ober 		if (charging) {
    806       1.3  nonaka 			if (charge_completed) {
    807       1.3  nonaka 				DPRINTF(("zapm_poll: battery is full\n"));
    808       1.1    ober 				charging = 0;
    809       1.3  nonaka 				zapm_set_charging(sc, 0);
    810       1.1    ober 			}
    811       1.3  nonaka 		} else if (!charge_completed) {
    812       1.1    ober 			charging = 1;
    813       1.3  nonaka 			volt = zapm_get_battery_volt();
    814       1.3  nonaka 			zapm_set_charging(sc, 1);
    815       1.1    ober 			DPRINTF(("zapm_poll: start charging volt %d\n", volt));
    816       1.1    ober 		}
    817       1.1    ober 	} else {
    818       1.1    ober 		if (charging) {
    819       1.1    ober 			charging = 0;
    820       1.3  nonaka 			zapm_set_charging(sc, 0);
    821       1.1    ober 			timerclear(&sc->sc_lastbattchk);
    822       1.1    ober 			DPRINTF(("zapm_poll: stop charging\n"));
    823       1.1    ober 		}
    824       1.3  nonaka 		sc->battery_full_cnt = 0;
    825       1.1    ober 	}
    826       1.1    ober 
    827       1.1    ober 	/*
    828       1.1    ober 	 * Restart charging once in a while.  Discharge a few milliseconds
    829       1.1    ober 	 * before updating the voltage in our softc if A/C is connected.
    830       1.1    ober 	 */
    831       1.1    ober 	if (bc_lock && ratecheck(&sc->sc_lastbattchk, &zapm_battchkrate)) {
    832       1.3  nonaka 		if (do_suspend && sc->suspended) {
    833       1.3  nonaka 			/* XXX */
    834       1.3  nonaka #if 0
    835       1.1    ober 			DPRINTF(("zapm_poll: suspended %lu %lu\n",
    836       1.3  nonaka 			    sc->lastbattchk.tv_sec,
    837       1.1    ober 			    pxa2x0_rtc_getsecs()));
    838       1.1    ober 			if (charging) {
    839       1.3  nonaka 				zapm_set_charging(sc, 0);
    840       1.1    ober 				delay(15000);
    841       1.3  nonaka 				zapm_set_charging(sc, 1);
    842       1.1    ober 				pxa2x0_rtc_setalarm(pxa2x0_rtc_getsecs() +
    843       1.1    ober 				    zapm_battchkrate.tv_sec + 1);
    844       1.1    ober 			}
    845       1.3  nonaka #endif
    846       1.3  nonaka 		} else if (ac_state && sc->battery_full_cnt == 0) {
    847       1.1    ober 			DPRINTF(("zapm_poll: discharge on\n"));
    848       1.1    ober 			if (charging)
    849       1.3  nonaka 				zapm_set_charging(sc, 0);
    850       1.3  nonaka 			sc->discharging = 1;
    851       1.1    ober 			scoop_discharge_battery(1);
    852       1.3  nonaka 			callout_schedule(&sc->sc_discharge_poll,
    853       1.3  nonaka 			    DISCHARGE_TIMEOUT);
    854       1.3  nonaka 		} else if (!ac_state) {
    855       1.3  nonaka 			volt = zapm_get_battery_volt();
    856       1.1    ober 			DPRINTF(("zapm_poll: volt %d\n", volt));
    857       1.1    ober 		}
    858       1.1    ober 	}
    859       1.1    ober 
    860       1.1    ober 	/* Update the cached power state in our softc. */
    861       1.3  nonaka 	if ((ac_state != sc->ac_state)
    862       1.3  nonaka 	 || (charging != (sc->battery_state & APM_BATT_FLAG_CHARGING))) {
    863       1.3  nonaka 		config_hook_call(CONFIG_HOOK_PMEVENT,
    864       1.3  nonaka 		    CONFIG_HOOK_PMEVENT_AC,
    865       1.3  nonaka 		    (void *)((ac_state == APM_AC_OFF)
    866       1.3  nonaka 		        ? CONFIG_HOOK_AC_OFF
    867       1.3  nonaka 		        : (charging ? CONFIG_HOOK_AC_ON_CHARGE
    868       1.3  nonaka 		                    : CONFIG_HOOK_AC_ON_NOCHARGE)));
    869       1.3  nonaka 	}
    870       1.3  nonaka 	if (volt != sc->battery_volt) {
    871       1.3  nonaka 		sc->battery_volt = volt;
    872       1.3  nonaka 		sc->battery_life = zapm_battery_life(volt);
    873       1.3  nonaka 		config_hook_call(CONFIG_HOOK_PMEVENT,
    874       1.3  nonaka 		    CONFIG_HOOK_PMEVENT_BATTERY,
    875       1.3  nonaka 		    (void *)zapm_battery_state(volt));
    876       1.1    ober 	}
    877       1.1    ober 
    878       1.1    ober 	splx(s);
    879       1.1    ober }
    880