108 	struct acpi_battery battery[MAX_SBS_BAT];  member
118 static int acpi_battery_get_state(struct acpi_battery *battery);
128 static inline int acpi_battery_vscale(struct acpi_battery *battery)  in acpi_battery_vscale()  argument
130 	return battery_scale((battery->spec & 0x0f00) >> 8);  in acpi_battery_vscale()
133 static inline int acpi_battery_ipscale(struct acpi_battery *battery)  in acpi_battery_ipscale()  argument
135 	return battery_scale((battery->spec & 0xf000) >> 12);  in acpi_battery_ipscale()
138 static inline int acpi_battery_mode(struct acpi_battery *battery)  in acpi_battery_mode()  argument
140 	return (battery->mode & 0x8000);  in acpi_battery_mode()
143 static inline int acpi_battery_scale(struct acpi_battery *battery)  in acpi_battery_scale()  argument
145 	return (acpi_battery_mode(battery) ? 10 : 1) *  in acpi_battery_scale()
146 	    acpi_battery_ipscale(battery);  in acpi_battery_scale()
164 static int acpi_battery_technology(struct acpi_battery *battery)  in acpi_battery_technology()  argument
166 	if (!strcasecmp("NiCd", battery->device_chemistry))  in acpi_battery_technology()
168 	if (!strcasecmp("NiMH", battery->device_chemistry))  in acpi_battery_technology()
170 	if (!strcasecmp("LION", battery->device_chemistry))  in acpi_battery_technology()
172 	if (!strcasecmp("LiP", battery->device_chemistry))  in acpi_battery_technology()
181 	struct acpi_battery *battery = to_acpi_battery(psy);  in acpi_sbs_battery_get_property()  local
183 	if ((!battery->present) && psp != POWER_SUPPLY_PROP_PRESENT)  in acpi_sbs_battery_get_property()
186 	acpi_battery_get_state(battery);  in acpi_sbs_battery_get_property()
189 		if (battery->rate_now < 0)  in acpi_sbs_battery_get_property()
191 		else if (battery->rate_now > 0)  in acpi_sbs_battery_get_property()
197 		val->intval = battery->present;  in acpi_sbs_battery_get_property()
200 		val->intval = acpi_battery_technology(battery);  in acpi_sbs_battery_get_property()
203 		val->intval = battery->cycle_count;  in acpi_sbs_battery_get_property()
206 		val->intval = battery->design_voltage *  in acpi_sbs_battery_get_property()
207 			acpi_battery_vscale(battery) * 1000;  in acpi_sbs_battery_get_property()
210 		val->intval = battery->voltage_now *  in acpi_sbs_battery_get_property()
211 				acpi_battery_vscale(battery) * 1000;  in acpi_sbs_battery_get_property()
215 		val->intval = abs(battery->rate_now) *  in acpi_sbs_battery_get_property()
216 				acpi_battery_ipscale(battery) * 1000;  in acpi_sbs_battery_get_property()
217 		val->intval *= (acpi_battery_mode(battery)) ?  in acpi_sbs_battery_get_property()
218 				(battery->voltage_now *  in acpi_sbs_battery_get_property()
219 				acpi_battery_vscale(battery) / 1000) : 1;  in acpi_sbs_battery_get_property()
223 		val->intval = abs(battery->rate_avg) *  in acpi_sbs_battery_get_property()
224 				acpi_battery_ipscale(battery) * 1000;  in acpi_sbs_battery_get_property()
225 		val->intval *= (acpi_battery_mode(battery)) ?  in acpi_sbs_battery_get_property()
226 				(battery->voltage_now *  in acpi_sbs_battery_get_property()
227 				acpi_battery_vscale(battery) / 1000) : 1;  in acpi_sbs_battery_get_property()
230 		val->intval = battery->state_of_charge;  in acpi_sbs_battery_get_property()
234 		val->intval = battery->design_capacity *  in acpi_sbs_battery_get_property()
235 			acpi_battery_scale(battery) * 1000;  in acpi_sbs_battery_get_property()
239 		val->intval = battery->full_charge_capacity *  in acpi_sbs_battery_get_property()
240 			acpi_battery_scale(battery) * 1000;  in acpi_sbs_battery_get_property()
244 		val->intval = battery->capacity_now *  in acpi_sbs_battery_get_property()
245 				acpi_battery_scale(battery) * 1000;  in acpi_sbs_battery_get_property()
248 		val->intval = battery->temp_now - 2730;	// dK -> dC  in acpi_sbs_battery_get_property()
251 		val->strval = battery->device_name;  in acpi_sbs_battery_get_property()
254 		val->strval = battery->manufacturer_name;  in acpi_sbs_battery_get_property()
357 static int acpi_battery_get_info(struct acpi_battery *battery)  in acpi_battery_get_info()  argument
362 		result = acpi_smbus_read(battery->sbs->hc,  in acpi_battery_get_info()
366 					 (u8 *) battery +  in acpi_battery_get_info()
374 static int acpi_battery_get_state(struct acpi_battery *battery)  in acpi_battery_get_state()  argument
378 	if (battery->update_time &&  in acpi_battery_get_state()
379 	    time_before(jiffies, battery->update_time +  in acpi_battery_get_state()
383 		result = acpi_smbus_read(battery->sbs->hc,  in acpi_battery_get_state()
387 				         (u8 *)battery +  in acpi_battery_get_state()
393 	battery->update_time = jiffies;  in acpi_battery_get_state()
397 static int acpi_battery_get_alarm(struct acpi_battery *battery)  in acpi_battery_get_alarm()  argument
399 	return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,  in acpi_battery_get_alarm()
401 				 (u8 *)&battery->alarm_capacity);  in acpi_battery_get_alarm()
404 static int acpi_battery_set_alarm(struct acpi_battery *battery)  in acpi_battery_set_alarm()  argument
406 	struct acpi_sbs *sbs = battery->sbs;  in acpi_battery_set_alarm()
407 	u16 value, sel = 1 << (battery->id + 12);  in acpi_battery_set_alarm()
428 				0x01, (u8 *)&battery->alarm_capacity, 2);  in acpi_battery_set_alarm()
459 	struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));  in acpi_battery_alarm_show()  local
460 	acpi_battery_get_alarm(battery);  in acpi_battery_alarm_show()
461 	return sprintf(buf, "%d\n", battery->alarm_capacity *  in acpi_battery_alarm_show()
462 				acpi_battery_scale(battery) * 1000);  in acpi_battery_alarm_show()
470 	struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));  in acpi_battery_alarm_store()  local
472 		battery->alarm_capacity = x /  in acpi_battery_alarm_store()
473 			(1000 * acpi_battery_scale(battery));  in acpi_battery_alarm_store()
474 	if (battery->present)  in acpi_battery_alarm_store()
475 		acpi_battery_set_alarm(battery);  in acpi_battery_alarm_store()
488 static int acpi_battery_read(struct acpi_battery *battery)  in acpi_battery_read()  argument
490 	int result = 0, saved_present = battery->present;  in acpi_battery_read()
493 	if (battery->sbs->manager_present) {  in acpi_battery_read()
494 		result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,  in acpi_battery_read()
497 			battery->present = state & (1 << battery->id);  in acpi_battery_read()
499 		state |= 1 << (battery->id + 12);  in acpi_battery_read()
500 		acpi_smbus_write(battery->sbs->hc, SMBUS_WRITE_WORD,  in acpi_battery_read()
502 	} else if (battery->id == 0)  in acpi_battery_read()
503 		battery->present = 1;  in acpi_battery_read()
505 	if (result || !battery->present)  in acpi_battery_read()
508 	if (saved_present != battery->present) {  in acpi_battery_read()
509 		battery->update_time = 0;  in acpi_battery_read()
510 		result = acpi_battery_get_info(battery);  in acpi_battery_read()
512 			battery->present = 0;  in acpi_battery_read()
516 	result = acpi_battery_get_state(battery);  in acpi_battery_read()
518 		battery->present = 0;  in acpi_battery_read()
525 	struct acpi_battery *battery = &sbs->battery[id];  in acpi_battery_add()  local
526 	struct power_supply_config psy_cfg = { .drv_data = battery, };  in acpi_battery_add()
529 	battery->id = id;  in acpi_battery_add()
530 	battery->sbs = sbs;  in acpi_battery_add()
531 	result = acpi_battery_read(battery);  in acpi_battery_add()
535 	sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id);  in acpi_battery_add()
536 	battery->bat_desc.name = battery->name;  in acpi_battery_add()
537 	battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY;  in acpi_battery_add()
538 	if (!acpi_battery_mode(battery)) {  in acpi_battery_add()
539 		battery->bat_desc.properties = sbs_charge_battery_props;  in acpi_battery_add()
540 		battery->bat_desc.num_properties =  in acpi_battery_add()
543 		battery->bat_desc.properties = sbs_energy_battery_props;  in acpi_battery_add()
544 		battery->bat_desc.num_properties =  in acpi_battery_add()
547 	battery->bat_desc.get_property = acpi_sbs_battery_get_property;  in acpi_battery_add()
548 	battery->bat = power_supply_register(&sbs->device->dev,  in acpi_battery_add()
549 					&battery->bat_desc, &psy_cfg);  in acpi_battery_add()
550 	if (IS_ERR(battery->bat)) {  in acpi_battery_add()
551 		result = PTR_ERR(battery->bat);  in acpi_battery_add()
552 		battery->bat = NULL;  in acpi_battery_add()
556 	result = device_create_file(&battery->bat->dev, &alarm_attr);  in acpi_battery_add()
559 	battery->have_sysfs_alarm = 1;  in acpi_battery_add()
563 	       battery->name, battery->present ? "present" : "absent");  in acpi_battery_add()
569 	struct acpi_battery *battery = &sbs->battery[id];  in acpi_battery_remove()  local
571 	if (battery->bat) {  in acpi_battery_remove()
572 		if (battery->have_sysfs_alarm)  in acpi_battery_remove()
573 			device_remove_file(&battery->bat->dev, &alarm_attr);  in acpi_battery_remove()
574 		power_supply_unregister(battery->bat);  in acpi_battery_remove()
625 			bat = &sbs->battery[id];  in acpi_sbs_callback()