90 	struct acpi_battery battery[MAX_SBS_BAT];  member
100 static int acpi_battery_get_state(struct acpi_battery *battery);
110 static inline int acpi_battery_vscale(struct acpi_battery *battery)  in acpi_battery_vscale()  argument
112 	return battery_scale((battery->spec & 0x0f00) >> 8);  in acpi_battery_vscale()
115 static inline int acpi_battery_ipscale(struct acpi_battery *battery)  in acpi_battery_ipscale()  argument
117 	return battery_scale((battery->spec & 0xf000) >> 12);  in acpi_battery_ipscale()
120 static inline int acpi_battery_mode(struct acpi_battery *battery)  in acpi_battery_mode()  argument
122 	return (battery->mode & 0x8000);  in acpi_battery_mode()
125 static inline int acpi_battery_scale(struct acpi_battery *battery)  in acpi_battery_scale()  argument
127 	return (acpi_battery_mode(battery) ? 10 : 1) *  in acpi_battery_scale()
128 	    acpi_battery_ipscale(battery);  in acpi_battery_scale()
146 static int acpi_battery_technology(struct acpi_battery *battery)  in acpi_battery_technology()  argument
148 	if (!strcasecmp("NiCd", battery->device_chemistry))  in acpi_battery_technology()
150 	if (!strcasecmp("NiMH", battery->device_chemistry))  in acpi_battery_technology()
152 	if (!strcasecmp("LION", battery->device_chemistry))  in acpi_battery_technology()
154 	if (!strcasecmp("LiP", battery->device_chemistry))  in acpi_battery_technology()
163 	struct acpi_battery *battery = to_acpi_battery(psy);  in acpi_sbs_battery_get_property()  local
165 	if ((!battery->present) && psp != POWER_SUPPLY_PROP_PRESENT)  in acpi_sbs_battery_get_property()
168 	acpi_battery_get_state(battery);  in acpi_sbs_battery_get_property()
171 		if (battery->rate_now < 0)  in acpi_sbs_battery_get_property()
173 		else if (battery->rate_now > 0)  in acpi_sbs_battery_get_property()
179 		val->intval = battery->present;  in acpi_sbs_battery_get_property()
182 		val->intval = acpi_battery_technology(battery);  in acpi_sbs_battery_get_property()
185 		val->intval = battery->cycle_count;  in acpi_sbs_battery_get_property()
188 		val->intval = battery->design_voltage *  in acpi_sbs_battery_get_property()
189 			acpi_battery_vscale(battery) * 1000;  in acpi_sbs_battery_get_property()
192 		val->intval = battery->voltage_now *  in acpi_sbs_battery_get_property()
193 				acpi_battery_vscale(battery) * 1000;  in acpi_sbs_battery_get_property()
197 		val->intval = abs(battery->rate_now) *  in acpi_sbs_battery_get_property()
198 				acpi_battery_ipscale(battery) * 1000;  in acpi_sbs_battery_get_property()
199 		val->intval *= (acpi_battery_mode(battery)) ?  in acpi_sbs_battery_get_property()
200 				(battery->voltage_now *  in acpi_sbs_battery_get_property()
201 				acpi_battery_vscale(battery) / 1000) : 1;  in acpi_sbs_battery_get_property()
205 		val->intval = abs(battery->rate_avg) *  in acpi_sbs_battery_get_property()
206 				acpi_battery_ipscale(battery) * 1000;  in acpi_sbs_battery_get_property()
207 		val->intval *= (acpi_battery_mode(battery)) ?  in acpi_sbs_battery_get_property()
208 				(battery->voltage_now *  in acpi_sbs_battery_get_property()
209 				acpi_battery_vscale(battery) / 1000) : 1;  in acpi_sbs_battery_get_property()
212 		val->intval = battery->state_of_charge;  in acpi_sbs_battery_get_property()
216 		val->intval = battery->design_capacity *  in acpi_sbs_battery_get_property()
217 			acpi_battery_scale(battery) * 1000;  in acpi_sbs_battery_get_property()
221 		val->intval = battery->full_charge_capacity *  in acpi_sbs_battery_get_property()
222 			acpi_battery_scale(battery) * 1000;  in acpi_sbs_battery_get_property()
226 		val->intval = battery->capacity_now *  in acpi_sbs_battery_get_property()
227 				acpi_battery_scale(battery) * 1000;  in acpi_sbs_battery_get_property()
230 		val->intval = battery->temp_now - 2730;	// dK -> dC  in acpi_sbs_battery_get_property()
233 		val->strval = battery->device_name;  in acpi_sbs_battery_get_property()
236 		val->strval = battery->manufacturer_name;  in acpi_sbs_battery_get_property()
339 static int acpi_battery_get_info(struct acpi_battery *battery)  in acpi_battery_get_info()  argument
344 		result = acpi_smbus_read(battery->sbs->hc,  in acpi_battery_get_info()
348 					 (u8 *) battery +  in acpi_battery_get_info()
356 static int acpi_battery_get_state(struct acpi_battery *battery)  in acpi_battery_get_state()  argument
360 	if (battery->update_time &&  in acpi_battery_get_state()
361 	    time_before(jiffies, battery->update_time +  in acpi_battery_get_state()
365 		result = acpi_smbus_read(battery->sbs->hc,  in acpi_battery_get_state()
369 					 (u8 *)battery +  in acpi_battery_get_state()
375 	battery->update_time = jiffies;  in acpi_battery_get_state()
379 static int acpi_battery_get_alarm(struct acpi_battery *battery)  in acpi_battery_get_alarm()  argument
381 	return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,  in acpi_battery_get_alarm()
383 				 (u8 *)&battery->alarm_capacity);  in acpi_battery_get_alarm()
386 static int acpi_battery_set_alarm(struct acpi_battery *battery)  in acpi_battery_set_alarm()  argument
388 	struct acpi_sbs *sbs = battery->sbs;  in acpi_battery_set_alarm()
389 	u16 value, sel = 1 << (battery->id + 12);  in acpi_battery_set_alarm()
410 				0x01, (u8 *)&battery->alarm_capacity, 2);  in acpi_battery_set_alarm()
445 	struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));  in acpi_battery_alarm_show()  local
446 	acpi_battery_get_alarm(battery);  in acpi_battery_alarm_show()
447 	return sprintf(buf, "%d\n", battery->alarm_capacity *  in acpi_battery_alarm_show()
448 				acpi_battery_scale(battery) * 1000);  in acpi_battery_alarm_show()
456 	struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));  in acpi_battery_alarm_store()  local
458 		battery->alarm_capacity = x /  in acpi_battery_alarm_store()
459 			(1000 * acpi_battery_scale(battery));  in acpi_battery_alarm_store()
460 	if (battery->present)  in acpi_battery_alarm_store()
461 		acpi_battery_set_alarm(battery);  in acpi_battery_alarm_store()
474 static int acpi_battery_read(struct acpi_battery *battery)  in acpi_battery_read()  argument
476 	int result = 0, saved_present = battery->present;  in acpi_battery_read()
479 	if (battery->sbs->manager_present) {  in acpi_battery_read()
480 		result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,  in acpi_battery_read()
483 			battery->present = state & (1 << battery->id);  in acpi_battery_read()
485 		state |= 1 << (battery->id + 12);  in acpi_battery_read()
486 		acpi_smbus_write(battery->sbs->hc, SMBUS_WRITE_WORD,  in acpi_battery_read()
488 	} else if (battery->id == 0)  in acpi_battery_read()
489 		battery->present = 1;  in acpi_battery_read()
491 	if (result || !battery->present)  in acpi_battery_read()
494 	if (saved_present != battery->present) {  in acpi_battery_read()
495 		battery->update_time = 0;  in acpi_battery_read()
496 		result = acpi_battery_get_info(battery);  in acpi_battery_read()
498 			battery->present = 0;  in acpi_battery_read()
502 	result = acpi_battery_get_state(battery);  in acpi_battery_read()
504 		battery->present = 0;  in acpi_battery_read()
511 	struct acpi_battery *battery = &sbs->battery[id];  in acpi_battery_add()  local
512 	struct power_supply_config psy_cfg = { .drv_data = battery, };  in acpi_battery_add()
515 	battery->id = id;  in acpi_battery_add()
516 	battery->sbs = sbs;  in acpi_battery_add()
517 	result = acpi_battery_read(battery);  in acpi_battery_add()
521 	sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id);  in acpi_battery_add()
522 	battery->bat_desc.name = battery->name;  in acpi_battery_add()
523 	battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY;  in acpi_battery_add()
524 	if (!acpi_battery_mode(battery)) {  in acpi_battery_add()
525 		battery->bat_desc.properties = sbs_charge_battery_props;  in acpi_battery_add()
526 		battery->bat_desc.num_properties =  in acpi_battery_add()
529 		battery->bat_desc.properties = sbs_energy_battery_props;  in acpi_battery_add()
530 		battery->bat_desc.num_properties =  in acpi_battery_add()
533 	battery->bat_desc.get_property = acpi_sbs_battery_get_property;  in acpi_battery_add()
534 	battery->bat = power_supply_register(&sbs->device->dev,  in acpi_battery_add()
535 					&battery->bat_desc, &psy_cfg);  in acpi_battery_add()
536 	if (IS_ERR(battery->bat)) {  in acpi_battery_add()
537 		result = PTR_ERR(battery->bat);  in acpi_battery_add()
538 		battery->bat = NULL;  in acpi_battery_add()
542 	result = device_create_file(&battery->bat->dev, &alarm_attr);  in acpi_battery_add()
545 	battery->have_sysfs_alarm = 1;  in acpi_battery_add()
549 	       battery->name, battery->present ? "present" : "absent");  in acpi_battery_add()
555 	struct acpi_battery *battery = &sbs->battery[id];  in acpi_battery_remove()  local
557 	if (battery->bat) {  in acpi_battery_remove()
558 		if (battery->have_sysfs_alarm)  in acpi_battery_remove()
559 			device_remove_file(&battery->bat->dev, &alarm_attr);  in acpi_battery_remove()
560 		power_supply_unregister(battery->bat);  in acpi_battery_remove()
611 			bat = &sbs->battery[id];  in acpi_sbs_callback()