1 // SPDX-License-Identifier: GPL-2.0-only
94 	struct aspire_ec *ec = data;  in aspire_ec_irq_handler()  local
108 	id = i2c_smbus_read_byte_data(ec->client, ASPIRE_EC_EVENT);  in aspire_ec_irq_handler()
110 		dev_err(&ec->client->dev, "Failed to read event id: %pe\n", ERR_PTR(id));  in aspire_ec_irq_handler()
124 		aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_WATCHDOG, &tmp, sizeof(tmp));  in aspire_ec_irq_handler()
126 		aspire_ec_ram_write(ec->client, ASPIRE_EC_RAM_WATCHDOG, tmp);  in aspire_ec_irq_handler()
131 		input_report_switch(ec->idev, SW_LID, 1);  in aspire_ec_irq_handler()
132 		input_sync(ec->idev);  in aspire_ec_irq_handler()
137 		input_report_switch(ec->idev, SW_LID, 0);  in aspire_ec_irq_handler()
138 		input_sync(ec->idev);  in aspire_ec_irq_handler()
146 		power_supply_changed(ec->bat_psy);  in aspire_ec_irq_handler()
147 		power_supply_changed(ec->adp_psy);  in aspire_ec_irq_handler()
151 		if (ec->bridge_configured)  in aspire_ec_irq_handler()
152 			drm_bridge_hpd_notify(&ec->bridge, connector_status_disconnected);  in aspire_ec_irq_handler()
156 		if (ec->bridge_configured)  in aspire_ec_irq_handler()
157 			drm_bridge_hpd_notify(&ec->bridge, connector_status_connected);  in aspire_ec_irq_handler()
176 		dev_warn(&ec->client->dev, "Unknown event id=0x%x\n", id);  in aspire_ec_irq_handler()
234 	struct aspire_ec *ec = power_supply_get_drvdata(psy);  in aspire_ec_bat_psy_get_property()  local
239 	i2c_smbus_read_i2c_block_data(ec->client, ASPIRE_EC_FG_STATIC, sizeof(sdat), (u8 *)&sdat);  in aspire_ec_bat_psy_get_property()
240 	i2c_smbus_read_i2c_block_data(ec->client, ASPIRE_EC_FG_DYNAMIC, sizeof(ddat), (u8 *)&ddat);  in aspire_ec_bat_psy_get_property()
244 		val->intval = POWER_SUPPLY_STATUS_UNKNOWN;  in aspire_ec_bat_psy_get_property()
246 			val->intval = POWER_SUPPLY_STATUS_CHARGING;  in aspire_ec_bat_psy_get_property()
248 			val->intval = POWER_SUPPLY_STATUS_DISCHARGING;  in aspire_ec_bat_psy_get_property()
250 			val->intval = POWER_SUPPLY_STATUS_FULL;  in aspire_ec_bat_psy_get_property()
254 		val->intval = get_unaligned_le16(&ddat.voltage_now) * MILLI_TO_MICRO;  in aspire_ec_bat_psy_get_property()
258 		val->intval = le16_to_cpu(sdat.voltage_design) * MILLI_TO_MICRO;  in aspire_ec_bat_psy_get_property()
262 		val->intval = get_unaligned_le16(&ddat.capacity_now) * MILLI_TO_MICRO;  in aspire_ec_bat_psy_get_property()
266 		val->intval = le16_to_cpu(sdat.capacity_full) * MILLI_TO_MICRO;  in aspire_ec_bat_psy_get_property()
270 		val->intval = get_unaligned_le16(&ddat.capacity_now) * 100;  in aspire_ec_bat_psy_get_property()
271 		val->intval /= le16_to_cpu(sdat.capacity_full);  in aspire_ec_bat_psy_get_property()
275 		val->intval = (s16)get_unaligned_le16(&ddat.current_now) * MILLI_TO_MICRO;  in aspire_ec_bat_psy_get_property()
279 		val->intval = !!(ddat.flags & ASPIRE_EC_FG_FLAG_PRESENT);  in aspire_ec_bat_psy_get_property()
283 		val->intval = POWER_SUPPLY_SCOPE_SYSTEM;  in aspire_ec_bat_psy_get_property()
287 		str_index = sdat.model_id - 1;  in aspire_ec_bat_psy_get_property()
290 			val->strval = aspire_ec_bat_psy_battery_model[str_index];  in aspire_ec_bat_psy_get_property()
292 			val->strval = "Unknown";  in aspire_ec_bat_psy_get_property()
296 		str_index = sdat.vendor_id - 3; /* ACPI uses 3 as an offset here. */  in aspire_ec_bat_psy_get_property()
299 			val->strval = aspire_ec_bat_psy_battery_vendor[str_index];  in aspire_ec_bat_psy_get_property()
301 			val->strval = "Unknown";  in aspire_ec_bat_psy_get_property()
305 		return -EINVAL;  in aspire_ec_bat_psy_get_property()
326 	.name		= "aspire-ec-bat",
337 	struct aspire_ec *ec = power_supply_get_drvdata(psy);  in aspire_ec_adp_psy_get_property()  local
342 		aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_ADP, &tmp, sizeof(tmp));  in aspire_ec_adp_psy_get_property()
343 		val->intval = !!(tmp & ASPIRE_EC_AC_STATUS);  in aspire_ec_adp_psy_get_property()
347 		return -EINVAL;  in aspire_ec_adp_psy_get_property()
358 	.name		= "aspire-ec-adp",
366  * USB-C DP Alt mode HPD.
371 	return flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR ? 0 : -EINVAL;  in aspire_ec_bridge_attach()
376 	struct aspire_ec *ec = container_of(work, struct aspire_ec, work);  in aspire_ec_bridge_update_hpd_work()  local
379 	aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_HPD_STATUS, &tmp, sizeof(tmp));  in aspire_ec_bridge_update_hpd_work()
381 		drm_bridge_hpd_notify(&ec->bridge, connector_status_connected);  in aspire_ec_bridge_update_hpd_work()
383 		drm_bridge_hpd_notify(&ec->bridge, connector_status_disconnected);  in aspire_ec_bridge_update_hpd_work()
388 	struct aspire_ec *ec = container_of(bridge, struct aspire_ec, bridge);  in aspire_ec_bridge_hpd_enable()  local
390 	schedule_work(&ec->work);  in aspire_ec_bridge_hpd_enable()
404 	struct aspire_ec *ec = i2c_get_clientdata(to_i2c_client(dev));  in fn_lock_show()  local
407 	aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_KBD_MODE, &tmp, sizeof(tmp));  in fn_lock_show()
415 	struct aspire_ec *ec = i2c_get_clientdata(to_i2c_client(dev));  in fn_lock_store()  local
425 	aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_KBD_MODE, &tmp, sizeof(tmp));  in fn_lock_store()
432 	aspire_ec_ram_write(ec->client, ASPIRE_EC_RAM_KBD_MODE, tmp);  in fn_lock_store()
448 	struct device *dev = &client->dev;  in aspire_ec_probe()
450 	struct aspire_ec *ec;  in aspire_ec_probe()  local
454 	ec = devm_kzalloc(dev, sizeof(*ec), GFP_KERNEL);  in aspire_ec_probe()
455 	if (!ec)  in aspire_ec_probe()
456 		return -ENOMEM;  in aspire_ec_probe()
458 	ec->client = client;  in aspire_ec_probe()
459 	i2c_set_clientdata(client, ec);  in aspire_ec_probe()
462 	psy_cfg.drv_data = ec;  in aspire_ec_probe()
463 	ec->bat_psy = devm_power_supply_register(dev, &aspire_ec_bat_psy_desc, &psy_cfg);  in aspire_ec_probe()
464 	if (IS_ERR(ec->bat_psy))  in aspire_ec_probe()
465 		return dev_err_probe(dev, PTR_ERR(ec->bat_psy),  in aspire_ec_probe()
468 	ec->adp_psy = devm_power_supply_register(dev, &aspire_ec_adp_psy_desc, &psy_cfg);  in aspire_ec_probe()
469 	if (IS_ERR(ec->adp_psy))  in aspire_ec_probe()
470 		return dev_err_probe(dev, PTR_ERR(ec->adp_psy),  in aspire_ec_probe()
474 	ec->idev = devm_input_allocate_device(dev);  in aspire_ec_probe()
475 	if (!ec->idev)  in aspire_ec_probe()
476 		return -ENOMEM;  in aspire_ec_probe()
478 	ec->idev->name = "aspire-ec";  in aspire_ec_probe()
479 	ec->idev->phys = "aspire-ec/input0";  in aspire_ec_probe()
480 	input_set_capability(ec->idev, EV_SW, SW_LID);  in aspire_ec_probe()
482 	ret = input_register_device(ec->idev);  in aspire_ec_probe()
495 	/* External Type-C display attach reports */  in aspire_ec_probe()
498 		INIT_WORK(&ec->work, aspire_ec_bridge_update_hpd_work);  in aspire_ec_probe()
499 		ec->bridge.funcs = &aspire_ec_bridge_funcs;  in aspire_ec_probe()
500 		ec->bridge.of_node = to_of_node(fwnode);  in aspire_ec_probe()
501 		ec->bridge.ops = DRM_BRIDGE_OP_HPD;  in aspire_ec_probe()
502 		ec->bridge.type = DRM_MODE_CONNECTOR_USB;  in aspire_ec_probe()
504 		ret = devm_drm_bridge_add(dev, &ec->bridge);  in aspire_ec_probe()
510 		ec->bridge_configured = true;  in aspire_ec_probe()
513 	ret = devm_request_threaded_irq(dev, client->irq, NULL,  in aspire_ec_probe()
515 					dev_name(dev), ec);  in aspire_ec_probe()
524 	struct aspire_ec *ec = i2c_get_clientdata(to_i2c_client(dev));  in aspire_ec_resume()  local
527 	aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_LID_STATUS, &tmp, sizeof(tmp));  in aspire_ec_resume()
528 	input_report_switch(ec->idev, SW_LID, !!(tmp & ASPIRE_EC_LID_OPEN));  in aspire_ec_resume()
529 	input_sync(ec->idev);  in aspire_ec_resume()
535 	{ "aspire1-ec", },
541 	{ .compatible = "acer,aspire1-ec", },
550 		.name = "aspire-ec",