17 #include <linux/serio.h>
158 	struct serio *serio;  member
183 				     struct serio *serio);
198 					struct serio *serio))  in i8042_install_filter()  argument
211 				       struct serio *port))  in i8042_remove_filter()
343 static int i8042_kbd_write(struct serio *port, unsigned char c)  in i8042_kbd_write()
363 static int i8042_aux_write(struct serio *serio, unsigned char c)  in i8042_aux_write()  argument
365 	struct i8042_port *port = serio->port_data;  in i8042_aux_write()
378 static void i8042_port_close(struct serio *serio)  in i8042_port_close()  argument
384 	if (serio == i8042_ports[I8042_AUX_PORT_NO].serio) {  in i8042_port_close()
413  * i8042_start() is called by serio core when port is about to finish
417 static int i8042_start(struct serio *serio)  in i8042_start()  argument
419 	struct i8042_port *port = serio->port_data;  in i8042_start()
421 	device_set_wakeup_capable(&serio->dev, true);  in i8042_start()
431 	    serio == i8042_ports[I8042_KBD_PORT_NO].serio) {  in i8042_start()
432 		device_set_wakeup_enable(&serio->dev, true);  in i8042_start()
442  * i8042_stop() marks serio port as non-existing so i8042_interrupt
444  * The function is called by serio core as part of unregister procedure.
446 static void i8042_stop(struct serio *serio)  in i8042_stop()  argument
448 	struct i8042_port *port = serio->port_data;  in i8042_stop()
452 		port->serio = NULL;  in i8042_stop()
457 	 * our serio port before we return from this function.  in i8042_stop()
472 			 struct serio *serio)  in i8042_filter()  argument
483 	if (i8042_platform_filter && i8042_platform_filter(data, str, serio)) {  in i8042_filter()
504  * rest assume that the data came from the same serio last byte
548  * it reads the data from the i8042, determines its destination serio
556 	struct serio *serio;  in i8042_handle_data()  local
582 		serio = port->exists ? port->serio : NULL;  in i8042_handle_data()
590 		filtered = i8042_filter(data, str, serio);  in i8042_handle_data()
593 	if (likely(serio && !filtered))  in i8042_handle_data()
594 		serio_interrupt(serio, data, dfl);  in i8042_handle_data()
1205 	} else if (i8042_ports[I8042_AUX_PORT_NO].serio) {  in i8042_controller_resume()
1209 	if (i8042_ports[I8042_KBD_PORT_NO].serio)  in i8042_controller_resume()
1229 	/* Set up serio interrupts for system wakeup. */  in i8042_pm_suspend()
1231 		struct serio *serio = i8042_ports[i].serio;  in i8042_pm_suspend()  local
1233 		if (serio && device_may_wakeup(&serio->dev))  in i8042_pm_suspend()
1254 		struct serio *serio = i8042_ports[i].serio;  in i8042_pm_resume()  local
1256 		if (serio && device_may_wakeup(&serio->dev))  in i8042_pm_resume()
1320 	struct serio *serio;  in i8042_create_kbd_port()  local
1323 	serio = kzalloc(sizeof(*serio), GFP_KERNEL);  in i8042_create_kbd_port()
1324 	if (!serio)  in i8042_create_kbd_port()
1327 	serio->id.type		= i8042_direct ? SERIO_8042 : SERIO_8042_XL;  in i8042_create_kbd_port()
1328 	serio->write		= i8042_dumbkbd ? NULL : i8042_kbd_write;  in i8042_create_kbd_port()
1329 	serio->start		= i8042_start;  in i8042_create_kbd_port()
1330 	serio->stop		= i8042_stop;  in i8042_create_kbd_port()
1331 	serio->close		= i8042_port_close;  in i8042_create_kbd_port()
1332 	serio->ps2_cmd_mutex	= &i8042_mutex;  in i8042_create_kbd_port()
1333 	serio->port_data	= port;  in i8042_create_kbd_port()
1334 	serio->dev.parent	= &i8042_platform_device->dev;  in i8042_create_kbd_port()
1335 	strscpy(serio->name, "i8042 KBD port", sizeof(serio->name));  in i8042_create_kbd_port()
1336 	strscpy(serio->phys, I8042_KBD_PHYS_DESC, sizeof(serio->phys));  in i8042_create_kbd_port()
1337 	strscpy(serio->firmware_id, i8042_kbd_firmware_id,  in i8042_create_kbd_port()
1338 		sizeof(serio->firmware_id));  in i8042_create_kbd_port()
1339 	set_primary_fwnode(&serio->dev, i8042_kbd_fwnode);  in i8042_create_kbd_port()
1341 	port->serio = serio;  in i8042_create_kbd_port()
1349 	struct serio *serio;  in i8042_create_aux_port()  local
1353 	serio = kzalloc(sizeof(*serio), GFP_KERNEL);  in i8042_create_aux_port()
1354 	if (!serio)  in i8042_create_aux_port()
1357 	serio->id.type		= SERIO_8042;  in i8042_create_aux_port()
1358 	serio->write		= i8042_aux_write;  in i8042_create_aux_port()
1359 	serio->start		= i8042_start;  in i8042_create_aux_port()
1360 	serio->stop		= i8042_stop;  in i8042_create_aux_port()
1361 	serio->ps2_cmd_mutex	= &i8042_mutex;  in i8042_create_aux_port()
1362 	serio->port_data	= port;  in i8042_create_aux_port()
1363 	serio->dev.parent	= &i8042_platform_device->dev;  in i8042_create_aux_port()
1365 		strscpy(serio->name, "i8042 AUX port", sizeof(serio->name));  in i8042_create_aux_port()
1366 		strscpy(serio->phys, I8042_AUX_PHYS_DESC, sizeof(serio->phys));  in i8042_create_aux_port()
1367 		strscpy(serio->firmware_id, i8042_aux_firmware_id,  in i8042_create_aux_port()
1368 			sizeof(serio->firmware_id));  in i8042_create_aux_port()
1369 		serio->close = i8042_port_close;  in i8042_create_aux_port()
1371 		snprintf(serio->name, sizeof(serio->name), "i8042 AUX%d port", idx);  in i8042_create_aux_port()
1372 		snprintf(serio->phys, sizeof(serio->phys), I8042_MUX_PHYS_DESC, idx + 1);  in i8042_create_aux_port()
1373 		strscpy(serio->firmware_id, i8042_aux_firmware_id,  in i8042_create_aux_port()
1374 			sizeof(serio->firmware_id));  in i8042_create_aux_port()
1377 	port->serio = serio;  in i8042_create_aux_port()
1386 	kfree(i8042_ports[I8042_KBD_PORT_NO].serio);  in i8042_free_kbd_port()
1387 	i8042_ports[I8042_KBD_PORT_NO].serio = NULL;  in i8042_free_kbd_port()
1395 		kfree(i8042_ports[i].serio);  in i8042_free_aux_ports()
1396 		i8042_ports[i].serio = NULL;  in i8042_free_aux_ports()
1405 		struct serio *serio = i8042_ports[i].serio;  in i8042_register_ports()  local
1407 		if (!serio)  in i8042_register_ports()
1410 		printk(KERN_INFO "serio: %s at %#lx,%#lx irq %d\n",  in i8042_register_ports()
1411 			serio->name,  in i8042_register_ports()
1415 		serio_register_port(serio);  in i8042_register_ports()
1424 		if (i8042_ports[i].serio) {  in i8042_unregister_ports()
1425 			serio_unregister_port(i8042_ports[i].serio);  in i8042_unregister_ports()
1426 			i8042_ports[i].serio = NULL;  in i8042_unregister_ports()
1514 	struct serio *serio = to_serio_port(dev);  in i8042_kbd_bind_notifier()  local
1515 	struct i8042_port *port = serio->port_data;  in i8042_kbd_bind_notifier()
1517 	if (serio != i8042_ports[I8042_KBD_PORT_NO].serio)  in i8042_kbd_bind_notifier()
1564  * Ok, everything is ready, let's register all serio ports  in i8042_probe()