116 	struct gameport *gameport;  member
136 static int sw_read_packet(struct gameport *gameport, unsigned char *buf, int length, int id)  in sw_read_packet()  argument
143 …timeout = id ? gameport_time(gameport, SW_TIMEOUT * 1000) : 0; /* Set up global timeout for ID pac…  in sw_read_packet()
144 	kick = id ? gameport_time(gameport, SW_KICK) : 0;	/* Set up kick timeout for ID packet */  in sw_read_packet()
145 	start = gameport_time(gameport, SW_START);  in sw_read_packet()
146 	strobe = gameport_time(gameport, SW_STROBE);  in sw_read_packet()
153 	gameport_trigger(gameport);				/* Trigger */  in sw_read_packet()
154 	v = gameport_read(gameport);  in sw_read_packet()
159 		v = gameport_read(gameport);  in sw_read_packet()
172 		v = gameport_read(gameport);  in sw_read_packet()
188 			gameport_trigger(gameport);		/* Trigger */  in sw_read_packet()
241 static void sw_init_digital(struct gameport *gameport)  in sw_init_digital()  argument
251                 gameport_trigger(gameport);			/* Trigger */  in sw_init_digital()
252 		t = gameport_time(gameport, SW_TIMEOUT * 1000);  in sw_init_digital()
253 		while ((gameport_read(gameport) & 1) && t) t--;	/* Wait for axis to fall back to 0 */  in sw_init_digital()
257 	gameport_trigger(gameport);				/* Last trigger */  in sw_init_digital()
431 	i = sw_read_packet(sw->gameport, buf, sw->length, 0);  in sw_read()
437 				" - going to reinitialize.\n", sw->gameport->phys);  in sw_read()
463 				" - enabling optimization again.\n", sw->gameport->phys);  in sw_read()
476 			" - disabling optimization.\n", sw->gameport->phys);  in sw_read()
484 		" - reinitializing joystick.\n", sw->gameport->phys);  in sw_read()
488 		sw_init_digital(sw->gameport);  in sw_read()
492 	i = sw_read_packet(sw->gameport, buf, SW_LENGTH, 0);			/* Read normal data packet */  in sw_read()
494 	sw_read_packet(sw->gameport, buf, SW_LENGTH, i);			/* Read ID packet, this initializes the stick */  in sw_read()
501 static void sw_poll(struct gameport *gameport)  in sw_poll()  argument
503 	struct sw *sw = gameport_get_drvdata(gameport);  in sw_poll()
514 	gameport_start_polling(sw->gameport);  in sw_open()
522 	gameport_stop_polling(sw->gameport);  in sw_close()
587 static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)  in sw_connect()  argument
608 	sw->gameport = gameport;  in sw_connect()
610 	gameport_set_drvdata(gameport, sw);  in sw_connect()
612 	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);  in sw_connect()
617 		gameport->phys, gameport->io, gameport->speed);  in sw_connect()
619 	i = sw_read_packet(gameport, buf, SW_LENGTH, 0);		/* Read normal packet */  in sw_connect()
624 		sw_init_digital(gameport);				/* Switch to digital */  in sw_connect()
626 		i = sw_read_packet(gameport, buf, SW_LENGTH, 0);	/* Retry reading packet */  in sw_connect()
635 	j = sw_read_packet(gameport, idbuf, SW_LENGTH, i);		/* Read ID. This initializes the stick */  in sw_connect()
641 		i = sw_read_packet(gameport, buf, SW_LENGTH, 0);	/* Retry reading packet */  in sw_connect()
649 		j = sw_read_packet(gameport, idbuf, SW_LENGTH, i);	/* Retry reading ID */  in sw_connect()
660 		i = sw_read_packet(gameport, buf, SW_LENGTH, 0);	/* Read data packet */  in sw_connect()
668 			sw->gameport = gameport;  in sw_connect()
716 			"on %s, contact <vojtech@ucw.cz>\n", gameport->phys);  in sw_connect()
728 	gameport_set_poll_handler(gameport, sw_poll);  in sw_connect()
729 	gameport_set_poll_interval(gameport, 20);  in sw_connect()
740 			 "%s/input%d", gameport->phys, i);  in sw_connect()
754 		input_dev->dev.parent = &gameport->dev;  in sw_connect()
795  fail2:	gameport_close(gameport);  in sw_connect()
796  fail1:	gameport_set_drvdata(gameport, NULL);  in sw_connect()
801 static void sw_disconnect(struct gameport *gameport)  in sw_disconnect()  argument
803 	struct sw *sw = gameport_get_drvdata(gameport);  in sw_disconnect()
808 	gameport_close(gameport);  in sw_disconnect()
809 	gameport_set_drvdata(gameport, NULL);  in sw_disconnect()