115 	struct gameport *gameport;  member
135 static int sw_read_packet(struct gameport *gameport, unsigned char *buf, int length, int id)  in sw_read_packet()  argument
142 …timeout = id ? gameport_time(gameport, SW_TIMEOUT * 1000) : 0; /* Set up global timeout for ID pac…  in sw_read_packet()
143 	kick = id ? gameport_time(gameport, SW_KICK) : 0;	/* Set up kick timeout for ID packet */  in sw_read_packet()
144 	start = gameport_time(gameport, SW_START);  in sw_read_packet()
145 	strobe = gameport_time(gameport, SW_STROBE);  in sw_read_packet()
152 	gameport_trigger(gameport);				/* Trigger */  in sw_read_packet()
153 	v = gameport_read(gameport);  in sw_read_packet()
158 		v = gameport_read(gameport);  in sw_read_packet()
171 		v = gameport_read(gameport);  in sw_read_packet()
187 			gameport_trigger(gameport);		/* Trigger */  in sw_read_packet()
240 static void sw_init_digital(struct gameport *gameport)  in sw_init_digital()  argument
250                 gameport_trigger(gameport);			/* Trigger */  in sw_init_digital()
251 		t = gameport_time(gameport, SW_TIMEOUT * 1000);  in sw_init_digital()
252 		while ((gameport_read(gameport) & 1) && t) t--;	/* Wait for axis to fall back to 0 */  in sw_init_digital()
256 	gameport_trigger(gameport);				/* Last trigger */  in sw_init_digital()
430 	i = sw_read_packet(sw->gameport, buf, sw->length, 0);  in sw_read()
436 				" - going to reinitialize.\n", sw->gameport->phys);  in sw_read()
462 				" - enabling optimization again.\n", sw->gameport->phys);  in sw_read()
475 			" - disabling optimization.\n", sw->gameport->phys);  in sw_read()
483 		" - reinitializing joystick.\n", sw->gameport->phys);  in sw_read()
487 		sw_init_digital(sw->gameport);  in sw_read()
491 	i = sw_read_packet(sw->gameport, buf, SW_LENGTH, 0);			/* Read normal data packet */  in sw_read()
493 	sw_read_packet(sw->gameport, buf, SW_LENGTH, i);			/* Read ID packet, this initializes the stick */  in sw_read()
500 static void sw_poll(struct gameport *gameport)  in sw_poll()  argument
502 	struct sw *sw = gameport_get_drvdata(gameport);  in sw_poll()
513 	gameport_start_polling(sw->gameport);  in sw_open()
521 	gameport_stop_polling(sw->gameport);  in sw_close()
586 static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)  in sw_connect()  argument
607 	sw->gameport = gameport;  in sw_connect()
609 	gameport_set_drvdata(gameport, sw);  in sw_connect()
611 	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);  in sw_connect()
616 		gameport->phys, gameport->io, gameport->speed);  in sw_connect()
618 	i = sw_read_packet(gameport, buf, SW_LENGTH, 0);		/* Read normal packet */  in sw_connect()
623 		sw_init_digital(gameport);				/* Switch to digital */  in sw_connect()
625 		i = sw_read_packet(gameport, buf, SW_LENGTH, 0);	/* Retry reading packet */  in sw_connect()
634 	j = sw_read_packet(gameport, idbuf, SW_LENGTH, i);		/* Read ID. This initializes the stick */  in sw_connect()
640 		i = sw_read_packet(gameport, buf, SW_LENGTH, 0);	/* Retry reading packet */  in sw_connect()
648 		j = sw_read_packet(gameport, idbuf, SW_LENGTH, i);	/* Retry reading ID */  in sw_connect()
659 		i = sw_read_packet(gameport, buf, SW_LENGTH, 0);	/* Read data packet */  in sw_connect()
667 			sw->gameport = gameport;  in sw_connect()
715 			"on %s, contact <vojtech@ucw.cz>\n", gameport->phys);  in sw_connect()
727 	gameport_set_poll_handler(gameport, sw_poll);  in sw_connect()
728 	gameport_set_poll_interval(gameport, 20);  in sw_connect()
739 			 "%s/input%d", gameport->phys, i);  in sw_connect()
753 		input_dev->dev.parent = &gameport->dev;  in sw_connect()
794  fail2:	gameport_close(gameport);  in sw_connect()
795  fail1:	gameport_set_drvdata(gameport, NULL);  in sw_connect()
800 static void sw_disconnect(struct gameport *gameport)  in sw_disconnect()  argument
802 	struct sw *sw = gameport_get_drvdata(gameport);  in sw_disconnect()
807 	gameport_close(gameport);  in sw_disconnect()
808 	gameport_set_drvdata(gameport, NULL);  in sw_disconnect()