112 	struct acpi_battery battery[MAX_SBS_BAT];  member
122 static int acpi_battery_get_state(struct acpi_battery *battery);
132 static inline int acpi_battery_vscale(struct acpi_battery *battery)  in acpi_battery_vscale()  argument
134 	return battery_scale((battery->spec & 0x0f00) >> 8);  in acpi_battery_vscale()
137 static inline int acpi_battery_ipscale(struct acpi_battery *battery)  in acpi_battery_ipscale()  argument
139 	return battery_scale((battery->spec & 0xf000) >> 12);  in acpi_battery_ipscale()
142 static inline int acpi_battery_mode(struct acpi_battery *battery)  in acpi_battery_mode()  argument
144 	return (battery->mode & 0x8000);  in acpi_battery_mode()
147 static inline int acpi_battery_scale(struct acpi_battery *battery)  in acpi_battery_scale()  argument
149 	return (acpi_battery_mode(battery) ? 10 : 1) *  in acpi_battery_scale()
150 	    acpi_battery_ipscale(battery);  in acpi_battery_scale()
168 static int acpi_battery_technology(struct acpi_battery *battery)  in acpi_battery_technology()  argument
170 	if (!strcasecmp("NiCd", battery->device_chemistry))  in acpi_battery_technology()
172 	if (!strcasecmp("NiMH", battery->device_chemistry))  in acpi_battery_technology()
174 	if (!strcasecmp("LION", battery->device_chemistry))  in acpi_battery_technology()
176 	if (!strcasecmp("LiP", battery->device_chemistry))  in acpi_battery_technology()
185 	struct acpi_battery *battery = to_acpi_battery(psy);  in acpi_sbs_battery_get_property()  local
187 	if ((!battery->present) && psp != POWER_SUPPLY_PROP_PRESENT)  in acpi_sbs_battery_get_property()
190 	acpi_battery_get_state(battery);  in acpi_sbs_battery_get_property()
193 		if (battery->rate_now < 0)  in acpi_sbs_battery_get_property()
195 		else if (battery->rate_now > 0)  in acpi_sbs_battery_get_property()
201 		val->intval = battery->present;  in acpi_sbs_battery_get_property()
204 		val->intval = acpi_battery_technology(battery);  in acpi_sbs_battery_get_property()
207 		val->intval = battery->cycle_count;  in acpi_sbs_battery_get_property()
210 		val->intval = battery->design_voltage *  in acpi_sbs_battery_get_property()
211 			acpi_battery_vscale(battery) * 1000;  in acpi_sbs_battery_get_property()
214 		val->intval = battery->voltage_now *  in acpi_sbs_battery_get_property()
215 				acpi_battery_vscale(battery) * 1000;  in acpi_sbs_battery_get_property()
219 		val->intval = abs(battery->rate_now) *  in acpi_sbs_battery_get_property()
220 				acpi_battery_ipscale(battery) * 1000;  in acpi_sbs_battery_get_property()
221 		val->intval *= (acpi_battery_mode(battery)) ?  in acpi_sbs_battery_get_property()
222 				(battery->voltage_now *  in acpi_sbs_battery_get_property()
223 				acpi_battery_vscale(battery) / 1000) : 1;  in acpi_sbs_battery_get_property()
227 		val->intval = abs(battery->rate_avg) *  in acpi_sbs_battery_get_property()
228 				acpi_battery_ipscale(battery) * 1000;  in acpi_sbs_battery_get_property()
229 		val->intval *= (acpi_battery_mode(battery)) ?  in acpi_sbs_battery_get_property()
230 				(battery->voltage_now *  in acpi_sbs_battery_get_property()
231 				acpi_battery_vscale(battery) / 1000) : 1;  in acpi_sbs_battery_get_property()
234 		val->intval = battery->state_of_charge;  in acpi_sbs_battery_get_property()
238 		val->intval = battery->design_capacity *  in acpi_sbs_battery_get_property()
239 			acpi_battery_scale(battery) * 1000;  in acpi_sbs_battery_get_property()
243 		val->intval = battery->full_charge_capacity *  in acpi_sbs_battery_get_property()
244 			acpi_battery_scale(battery) * 1000;  in acpi_sbs_battery_get_property()
248 		val->intval = battery->capacity_now *  in acpi_sbs_battery_get_property()
249 				acpi_battery_scale(battery) * 1000;  in acpi_sbs_battery_get_property()
252 		val->intval = battery->temp_now - 2730;	// dK -> dC  in acpi_sbs_battery_get_property()
255 		val->strval = battery->device_name;  in acpi_sbs_battery_get_property()
258 		val->strval = battery->manufacturer_name;  in acpi_sbs_battery_get_property()
361 static int acpi_battery_get_info(struct acpi_battery *battery)  in acpi_battery_get_info()  argument
366 		result = acpi_smbus_read(battery->sbs->hc,  in acpi_battery_get_info()
370 					 (u8 *) battery +  in acpi_battery_get_info()
378 static int acpi_battery_get_state(struct acpi_battery *battery)  in acpi_battery_get_state()  argument
382 	if (battery->update_time &&  in acpi_battery_get_state()
383 	    time_before(jiffies, battery->update_time +  in acpi_battery_get_state()
387 		result = acpi_smbus_read(battery->sbs->hc,  in acpi_battery_get_state()
391 				         (u8 *)battery +  in acpi_battery_get_state()
397 	battery->update_time = jiffies;  in acpi_battery_get_state()
401 static int acpi_battery_get_alarm(struct acpi_battery *battery)  in acpi_battery_get_alarm()  argument
403 	return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,  in acpi_battery_get_alarm()
405 				 (u8 *)&battery->alarm_capacity);  in acpi_battery_get_alarm()
408 static int acpi_battery_set_alarm(struct acpi_battery *battery)  in acpi_battery_set_alarm()  argument
410 	struct acpi_sbs *sbs = battery->sbs;  in acpi_battery_set_alarm()
411 	u16 value, sel = 1 << (battery->id + 12);  in acpi_battery_set_alarm()
432 				0x01, (u8 *)&battery->alarm_capacity, 2);  in acpi_battery_set_alarm()
463 	struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));  in acpi_battery_alarm_show()  local
464 	acpi_battery_get_alarm(battery);  in acpi_battery_alarm_show()
465 	return sprintf(buf, "%d\n", battery->alarm_capacity *  in acpi_battery_alarm_show()
466 				acpi_battery_scale(battery) * 1000);  in acpi_battery_alarm_show()
474 	struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));  in acpi_battery_alarm_store()  local
476 		battery->alarm_capacity = x /  in acpi_battery_alarm_store()
477 			(1000 * acpi_battery_scale(battery));  in acpi_battery_alarm_store()
478 	if (battery->present)  in acpi_battery_alarm_store()
479 		acpi_battery_set_alarm(battery);  in acpi_battery_alarm_store()
492 static int acpi_battery_read(struct acpi_battery *battery)  in acpi_battery_read()  argument
494 	int result = 0, saved_present = battery->present;  in acpi_battery_read()
497 	if (battery->sbs->manager_present) {  in acpi_battery_read()
498 		result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,  in acpi_battery_read()
501 			battery->present = state & (1 << battery->id);  in acpi_battery_read()
503 		state |= 1 << (battery->id + 12);  in acpi_battery_read()
504 		acpi_smbus_write(battery->sbs->hc, SMBUS_WRITE_WORD,  in acpi_battery_read()
506 	} else if (battery->id == 0)  in acpi_battery_read()
507 		battery->present = 1;  in acpi_battery_read()
509 	if (result || !battery->present)  in acpi_battery_read()
512 	if (saved_present != battery->present) {  in acpi_battery_read()
513 		battery->update_time = 0;  in acpi_battery_read()
514 		result = acpi_battery_get_info(battery);  in acpi_battery_read()
516 			battery->present = 0;  in acpi_battery_read()
520 	result = acpi_battery_get_state(battery);  in acpi_battery_read()
522 		battery->present = 0;  in acpi_battery_read()
529 	struct acpi_battery *battery = &sbs->battery[id];  in acpi_battery_add()  local
530 	struct power_supply_config psy_cfg = { .drv_data = battery, };  in acpi_battery_add()
533 	battery->id = id;  in acpi_battery_add()
534 	battery->sbs = sbs;  in acpi_battery_add()
535 	result = acpi_battery_read(battery);  in acpi_battery_add()
539 	sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id);  in acpi_battery_add()
540 	battery->bat_desc.name = battery->name;  in acpi_battery_add()
541 	battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY;  in acpi_battery_add()
542 	if (!acpi_battery_mode(battery)) {  in acpi_battery_add()
543 		battery->bat_desc.properties = sbs_charge_battery_props;  in acpi_battery_add()
544 		battery->bat_desc.num_properties =  in acpi_battery_add()
547 		battery->bat_desc.properties = sbs_energy_battery_props;  in acpi_battery_add()
548 		battery->bat_desc.num_properties =  in acpi_battery_add()
551 	battery->bat_desc.get_property = acpi_sbs_battery_get_property;  in acpi_battery_add()
552 	battery->bat = power_supply_register(&sbs->device->dev,  in acpi_battery_add()
553 					&battery->bat_desc, &psy_cfg);  in acpi_battery_add()
554 	if (IS_ERR(battery->bat)) {  in acpi_battery_add()
555 		result = PTR_ERR(battery->bat);  in acpi_battery_add()
556 		battery->bat = NULL;  in acpi_battery_add()
560 	result = device_create_file(&battery->bat->dev, &alarm_attr);  in acpi_battery_add()
563 	battery->have_sysfs_alarm = 1;  in acpi_battery_add()
567 	       battery->name, battery->present ? "present" : "absent");  in acpi_battery_add()
573 	struct acpi_battery *battery = &sbs->battery[id];  in acpi_battery_remove()  local
575 	if (battery->bat) {  in acpi_battery_remove()
576 		if (battery->have_sysfs_alarm)  in acpi_battery_remove()
577 			device_remove_file(&battery->bat->dev, &alarm_attr);  in acpi_battery_remove()
578 		power_supply_unregister(battery->bat);  in acpi_battery_remove()
629 			bat = &sbs->battery[id];  in acpi_sbs_callback()