113 static int register_slot(int i, struct grip_mp *grip);
358 static int get_and_decode_packet(struct grip_mp *grip, int flags)  in get_and_decode_packet()  argument
368 	flags = multiport_io(grip->gameport, flags, 0, &packet);  in get_and_decode_packet()
369 	grip->reads++;  in get_and_decode_packet()
375 		grip->bads++;  in get_and_decode_packet()
385 	port = grip->port[slot];  in get_and_decode_packet()
424 			if (register_slot(slot, grip)) {  in get_and_decode_packet()
449 static int slots_valid(struct grip_mp *grip)  in slots_valid()  argument
453 	flags = get_and_decode_packet(grip, 0);  in slots_valid()
458 		if (grip->port[slot]->mode == GRIP_MODE_RESET)  in slots_valid()
460 		if (grip->port[slot]->mode != GRIP_MODE_NONE)  in slots_valid()
477 static int multiport_init(struct grip_mp *grip)  in multiport_init()  argument
482 	dig_mode = dig_mode_start(grip->gameport, &packet);  in multiport_init()
484 		dig_mode = dig_mode_start(grip->gameport, &packet);  in multiport_init()
497 		if (slots_valid(grip)) {  in multiport_init()
510 static void report_slot(struct grip_mp *grip, int slot)  in report_slot()  argument
512 	struct grip_port *port = grip->port[slot];  in report_slot()
538 	struct grip_mp *grip = gameport_get_drvdata(gameport);  in grip_poll()  local
544 			flags = get_and_decode_packet(grip, flags);  in grip_poll()
553 		if (grip->port[i]->dirty)  in grip_poll()
554 			report_slot(grip, i);  in grip_poll()
563 	struct grip_mp *grip = input_get_drvdata(dev);  in grip_open()  local
565 	gameport_start_polling(grip->gameport);  in grip_open()
575 	struct grip_mp *grip = input_get_drvdata(dev);  in grip_close()  local
577 	gameport_stop_polling(grip->gameport);  in grip_close()
584 static int register_slot(int slot, struct grip_mp *grip)  in register_slot()  argument
586 	struct grip_port *port = grip->port[slot];  in register_slot()
600 	input_dev->dev.parent = &grip->gameport->dev;  in register_slot()
602 	input_set_drvdata(input_dev, grip);  in register_slot()
625 		report_slot(grip, slot);  in register_slot()
632 	struct grip_mp *grip;  in grip_connect()  local
635 	if (!(grip = kzalloc(sizeof(struct grip_mp), GFP_KERNEL)))  in grip_connect()
638 	grip->gameport = gameport;  in grip_connect()
640 	gameport_set_drvdata(gameport, grip);  in grip_connect()
649 	if (!multiport_init(grip)) {  in grip_connect()
654 	if (!grip->port[0]->mode && !grip->port[1]->mode && !grip->port[2]->mode && !grip->port[3]->mode) {  in grip_connect()
664 	kfree(grip);  in grip_connect()
670 	struct grip_mp *grip = gameport_get_drvdata(gameport);  in grip_disconnect()  local
674 		if (grip->port[i]->registered)  in grip_disconnect()
675 			input_unregister_device(grip->port[i]->dev);  in grip_disconnect()
678 	kfree(grip);  in grip_disconnect()