input/joystick/analog.c

17 #include <linux/gameport.h>
100 	struct gameport *gameport;
169 	struct gameport *gameport = port->gameport;
180 	gameport_trigger(gameport);
193 		this = gameport_read(gameport) & port->mask;
221 	int strobe = gameport_time(port->gameport, ANALOG_SAITEK_TIME);
223 	u = gameport_read(port->gameport);
237 		gameport_trigger(port->gameport);
238 		while (((u = gameport_read(port->gameport)) & port->mask) && t) t--;
249 static void analog_poll(struct gameport *gameport)
251 	struct analog_port *port = gameport_get_drvdata(gameport);
258 		port->bads -= gameport_cooked_read(port->gameport, port->axes, &port->buttons);
287 	gameport_start_polling(port->gameport);
299 	gameport_stop_polling(port->gameport);
309 	struct gameport *gameport = port->gameport;
320 			gameport_read(gameport);
371 		 "%s/input%d", port->gameport->phys, index);
384 	input_dev->dev.parent = &port->gameport->dev;
467 			port->mask, port->gameport->phys);
507 		gameport_calibrate(port->gameport, port->axes, max);
516 static int analog_init_port(struct gameport *gameport, struct gameport_driver *drv, struct analog_port *port)
520 	port->gameport = gameport;
522 	gameport_set_drvdata(gameport, port);
524 	if (!gameport_open(gameport, drv, GAMEPORT_MODE_RAW)) {
528 		gameport_trigger(gameport);
529 		t = gameport_read(gameport);
531 		port->mask = (gameport_read(gameport) ^ t) & t & 0xf;
543 		t = gameport_time(gameport, ANALOG_MAX_TIME * 1000);
544 		gameport_trigger(gameport);
545 		while ((gameport_read(port->gameport) & port->mask) && (u < t))
548 		t = gameport_time(gameport, ANALOG_SAITEK_TIME);
549 		gameport_trigger(gameport);
550 		while ((gameport_read(port->gameport) & port->mask) && (v < t))
559 		gameport_close(gameport);
562 	if (!gameport_open(gameport, drv, GAMEPORT_MODE_COOKED)) {
565 			if (!gameport_cooked_read(gameport, port->axes, &port->buttons))
571 		port->fuzz = gameport->fuzz;
576 	return gameport_open(gameport, drv, GAMEPORT_MODE_RAW);
579 static int analog_connect(struct gameport *gameport, struct gameport_driver *drv)
588 	err = analog_init_port(gameport, drv, port);
596 	gameport_set_poll_handler(gameport, analog_poll);
597 	gameport_set_poll_interval(gameport, 10);
611  fail2:	gameport_close(gameport);
612  fail1:	gameport_set_drvdata(gameport, NULL);
617 static void analog_disconnect(struct gameport *gameport)
619 	struct analog_port *port = gameport_get_drvdata(gameport);
625 	gameport_close(gameport);
626 	gameport_set_drvdata(gameport, NULL);
629 		port->gameport->phys);
680  * The gameport device structure.