55 	struct gameport *gameport;  member
84 static int grip_gpp_read_packet(struct gameport *gameport, int shift, unsigned int *data)  in grip_gpp_read_packet()  argument
91 	int strobe = gameport_time(gameport, GRIP_STROBE_GPP);  in grip_gpp_read_packet()
99 	v = gameport_read(gameport) >> shift;  in grip_gpp_read_packet()
103 		u = v; v = (gameport_read(gameport) >> shift) & 3;  in grip_gpp_read_packet()
124 static int grip_xt_read_packet(struct gameport *gameport, int shift, unsigned int *data)  in grip_xt_read_packet()  argument
132 	int strobe = gameport_time(gameport, GRIP_STROBE_XT);  in grip_xt_read_packet()
140 	v = w = (gameport_read(gameport) >> shift) & 3;  in grip_xt_read_packet()
144 		u = (gameport_read(gameport) >> shift) & 3;  in grip_xt_read_packet()
182 static void grip_poll(struct gameport *gameport)  in grip_poll()  argument
184 	struct grip *grip = gameport_get_drvdata(gameport);  in grip_poll()
201 				if (grip_gpp_read_packet(grip->gameport, (i << 1) + 4, data)) {  in grip_poll()
217 				if (grip_xt_read_packet(grip->gameport, (i << 1) + 4, data)) {  in grip_poll()
236 				if (grip_xt_read_packet(grip->gameport, (i << 1) + 4, data)) {  in grip_poll()
258 				if (grip_xt_read_packet(grip->gameport, (i << 1) + 4, data)) {  in grip_poll()
287 	gameport_start_polling(grip->gameport);  in grip_open()
295 	gameport_stop_polling(grip->gameport);  in grip_close()
298 static int grip_connect(struct gameport *gameport, struct gameport_driver *drv)  in grip_connect()  argument
309 	grip->gameport = gameport;  in grip_connect()
311 	gameport_set_drvdata(gameport, grip);  in grip_connect()
313 	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);  in grip_connect()
318 		if (!grip_gpp_read_packet(gameport, (i << 1) + 4, data)) {  in grip_connect()
322 		if (!grip_xt_read_packet(gameport, (i << 1) + 4, data)) {  in grip_connect()
341 	gameport_set_poll_handler(gameport, grip_poll);  in grip_connect()
342 	gameport_set_poll_interval(gameport, 20);  in grip_connect()
355 			 "%s/input%d", gameport->phys, i);  in grip_connect()
363 		input_dev->dev.parent = &gameport->dev;  in grip_connect()
397  fail2:	gameport_close(gameport);  in grip_connect()
398  fail1:	gameport_set_drvdata(gameport, NULL);  in grip_connect()
403 static void grip_disconnect(struct gameport *gameport)  in grip_disconnect()  argument
405 	struct grip *grip = gameport_get_drvdata(gameport);  in grip_disconnect()
411 	gameport_close(gameport);  in grip_disconnect()
412 	gameport_set_drvdata(gameport, NULL);  in grip_disconnect()